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20 Best Mini Dc Ups For Router of 2023 – Romance University

After hours researching and comparing all models on the market, Romance University finds out the Best Mini Dc Ups For Router of 2023. Check our ranking below.

2,917 Reviews Scanned

SaleRank No. #1
Mini UPS Battery Backup Uninterruptible Power Supply for Router, Modem, Security Camera, Built-in 10000mAh with Input DC/USB Output USB 5V DC 5V/9V/12V 2A
  • No Standalone lithium batteries are sold with the product.
  • Small uninterruptible power supply for power outage, compatible with router, modem, security camera, smartphone, fax machine, fingerprint recorder, DSL, ect, and can still use the network in case of power outage.
  • This mini UPS has 2 ways of input, 12V DC with adapter (faster) or 5V USB (slower).
  • Built-in 10000mAh 37Wh with a standard USB port, can be used as a normal power bank as well.
  • Input: DC 12V or USB 5V, Output: USB 5V=2A, DC 5V=2A, 9V=2A, 12V=2A, support any current below 2A.
SaleRank No. #2
TalentCell Mini UPS Uninterrupted Power Supply 27000mAh 98Wh Lithium ion Backup Battery with DC 12V/9V/5V Output for Wireless Router, Modem, LED Light, CCTV Camera, Smartphone and More
  • High capacity: 3.7V/ 27000mAh (11.1V/ 8800mAh). This lithium ion battery is constructed from lithium ion battery cells, the 27000 mAh is the total capacity of the 12 cells.【Output: 4*DC 12V(voltage range is 9-12.6V), 1*DC 9V, 2*USB 5V】【Input: 12.6V/2A】The size of the DC output/input port is 5.5 mm x 2.1 mm.
  • Mini uninterruptible power supply back up battery pack can power for most 12V/9V/5V DC equipment, wireless routers, telephone, LED strip,monitor cameras, etc. It can provide hours of operation during power failure.
  • Provide short-circuit, over-current and over-charging/discharging protection.
  • Compatible with LED strip light products, CCTV Camera, LED Panel, Modem, Speak, Car DVR, 12v pump etc. Please confirm the size input port of your devices before you order, if it is not DC 5.5X2.1mm port, you need to buy the proper chord or adapter sperately.
  • Package content: 1x Mini UPS lithium battery. 2 pcs DC 5.5x2.1mm male to male Power Cable. 1x 12.6V/2A AC/DC Charger. ★★★Please note, if the size of your device input port is not DC 5.5X2.1mm, you need to buy the proper chord or adapter sperately.
SaleRank No. #3
Mini UPS Battery Backup with Gigabit POE for Router, Modem, Security Camera, Input AC Output USB 5V DC 9V/12V DC 24V/48V POE (1000Mbps)
  • Compact uninterruptible power supply for power outage, compatible with router, modem, security camera, smartphone, LED strip lights, DSL, and can still use the network in case of power outage.
  • This mini UPS has 24V and 48V Gigabit POE ports (RJ45 at 1000Mbps), plugged into the Lan port, it can transmit the data and power at the same time.
  • Built-in 10000mAh lithium batterypack with a standard USB output, can be used as a normal power bank as well.
  • Input: 100~240V AC, Output(optional): USB 5V=2A, DC 9V or 12V=2A, POE 24V=0.6A or POE 48V=0.5A.
  • Multiple smart protections: short circuit protection, voltage fluctuation protection, overcharge protection, over discharge protection, temperature protection, safe to use.
SaleRank No. #4
CE Quality 6000mA 22.2W 12V 2A DC/DC Uninterruptible Power Supply Mini UPS with Back Up Battery for Modem, Router, CCTV Camera DVR and LED Lighting
  • Note: This mini ups (not included adapter!!!) includs 5.5*2.1 to 5.5*2.5MM DC jack cable,5.5*2.5 female to 3.5*1.35 male,5.5*2.1 female to 5.5*2.5 male, 3.5*1.35 female to 5.5*2.1 male,manual User, this mini ups need match 5.5*2.1mm adapter to use.this mini ups is not USB port!!!Router Mini UPS with back up battery which can store power;It can provide hours of operation during power failure at a low price vs a traditional UPS.
  • It is designed to provide emergency power backup to most of DC power equipments such as routers, modems, surveillance systems, alarm systems, personal communication systems, radios, Bluetooth devices, and many other critical telecom equipments.
  • 12V UPS for modem: It has perfect overcharge, over discharge, overcurrent and short circuit protection function.
  • This mini ups is not included adapter,we also sell 12v 2a UL listed ac dc power adapter on amazon,so if you need 12v 2a adapter,you can buy it from us. Battery cell certificationCB,CE,UL,UN38.3,BIS,KC,MSDS,ROHS,CQC,SGS,EMC Cycle lifestandard charge&discharge capacity ≥80% C5mAh ,cycle life ≥600
  • Note:please confirm the dc jack of your device before order!!! it is very important,if you dont know,please feel free to contact us. Application:LED light/ led stripe/ Security CCTV Camera/ IP, WIFI,router. You can buy this 12V 2A charger to charge it, B076SX14PQ :https://www.amazon.com/dp/B076SX14PQ?ref=myi_title_dp
Rank No. #5
Mini UPS Battery Backup with 4 DC Output Interface, DC 12V/2A 9000mAh Home Router UPS, Rechargeable Battery Backup for LED Light Strip, CCTV Camera, Router, UPS Battery Backup & Surge Protaector
  • ➤Function - When your router or fish tank stop power supply due to a sudden power failure, our ups battery backup will continue to supply power to your device and will not stop power supply.
  • ➤Large capacity - Router UPS the battery capacity is 9000mAh, we tested it for 9 hours without interruption, continuous power supply, Wi-Fi won't disconnect, allowing you to continue to work or continue to play.
  • ➤Compatible Multi Devices - Routers, fish tank, LED light bar products, CCTV cameras, network cameras, LED panels, amplifiers, modems, car DVRs, speakers, Spectra S2 breast pumps, card readers, mobile phones and other equipment.
  • ➤Simple to operate - Just figure out what V your device's power specification output is, we support 12V devices, plug the adapter into wall power, connect our UPS battery, and plug our product into your device. It's that simple.
  • ➤What You Get - 1* 9000mAh UPS power bank , 4* DC Output Interface, 1*AC adapter, 1* user manual. If you don't know how to use it, or if there is any problem with the product, you can contact us at any time, we will be happy to help you.
Rank No. #7
Konnected UPS Backup Battery - 12V DC Power Bank Portable Charger for Smart Home Hub, Router, Modem, Raspberry Pi, Smart Phone, LED Lights, Security Camera - 7800mAh - 12V / 5V USB Dual Voltage
  • Keep everything running during a power failure with this mini-UPS 12V DC UPS power bank made especially for Konnected.
  • This 7800mAh Li-ion battery can power your entire Konnected system for up to 14 hours!
  • Plugs in to your 12V power adapter and automatically and instantaneously switches over to battery power if the household power fails.
  • Also suitable for backup power for a WiFi router, cable modem, or any 12V DC consumer electronic device.
  • Requires a 12V DC power adapter (not included).
Rank No. #8
Router Battery Backup, Rechargeable 9000mAh UPS Battery Backup, Input AC Output DC 9V/12V Dual Output, with Charger Mini UPS Battery Backup Uninterruptible Power Supply for Router, Security Camera
  • High Capacity:3.7V/9000mAh. UPS battery backup consists of a lithium polymer cell phone battery. Output: 1*DC 12V/1A (voltage range is 9-12.6V), 1*DC 9V/1A, for specific data, please check the data display of our DC port.
  • Function - One power supply with two outputs, when your router or fish tank stop power supply due to a sudden power failure, our ups battery backup will continue to supply power to your device and will not stop power supply.
  • Design: Mini uninterruptible power supply back up battery pack can power for most 12V/9V DC equipment, wireless routers, telephone, LED strip,monitor cameras, etc. It can provide about 9 hours of operation during power failure.
  • Compatible: Compatible with LED strip light products, CCTV Camera, LED Panel, Modem, Speak, Car DVR, 12V pump etc. The DC port of our device is 5.5X2.1mm port, we will match a set of DC adapter, if not applicable, you need to prepare another.
  • What You Get - 1* 9000mAh UPS power bank , 4* DC Output Interface, 1*AC adapter, 1* user manual. If you don't know how to use it, or if there is any problem with the product, you can contact us at any time, we will be happy to help you.
Rank No. #9
Shanqiu Mini UPS Battery Backup Uninterruptible Power Supply for Router, Modem, Security Camera with Input AC Output USB 5V DC 5V 9V 12V (74Wh)
  • No Standalone lithium batteries are sold with the product.
  • Mini uninterrupted power supply for power outage, compatible with router, modem, security camera, telephone, fax, printer, fingerprint recorder, LED strip lights, ect, and can still use the network in case of power outage.
  • Alumimum housing, Output maximum 60W, 1×5V USB, 1×5V DC, 1×9V DC, 2×12V DC, can support router and modem at the same time.
  • Built-in 20000mAh (74Wh) batterypack with a standard USB output, can be used as a normal power bank as well.
  • Input: 100~240V AC, Output: USB& DC 5V share 3A, 9V=3A, 2×12V share 5A.
Rank No. #10
Router Battery Backup, 15000mAh Rechargeable Batterypack UPS Battery Backup, Mini UPS Battery Backup Uninterruptible Power Supply for Router, Security Camera, with Input AC Output DC 9V/12V
  • High Capacity:3.7V/9000mAh. UPS battery backup consists of a lithium polymer cell phone battery. Output: 1*DC 12V/1A (voltage range is 9-12.6V), 1*DC 9V/1A, for specific data, please check the data display of our DC port.
  • Function - One power supply with two outputs, when your router or fish tank stop power supply due to a sudden power failure, our ups battery backup will continue to supply power to your device and will not stop power supply.
  • Design: Mini uninterruptible power supply back up battery pack can power for most 12V/9V DC equipment, wireless routers, telephone, LED strip,monitor cameras, etc. It can provide about 9 hours of operation during power failure.
  • Compatible: Compatible with LED strip light products, CCTV Camera, LED Panel, Modem, Speak, Car DVR, 12V pump etc. The DC port of our device is 5.5X2.1mm port, we will match a set of DC adapter, if not applicable, you need to prepare another.
  • What You Get - 1* 9000mAh UPS power bank , 4* DC Output Interface, 1*AC adapter, 1* user manual. If you don't know how to use it, or if there is any problem with the product, you can contact us at any time, we will be happy to help you.
Rank No. #11
Mini UPS Battery Backup 37Wh Uninterruptible Power Supply for Router, Modem, Security Camera with Input 5V DC Output 5V DC Max.3A Support Micro USB
  • Mini uninterruptible power supply for power outage, compatible with router, modem, security camera, DSL, and other 5V DC and Micro USB devices, and can still use WiFi in case of power outage.
  • Compact 5V DC backup battery, built-in 10000mAh 37Wh Li-polymer battery, offers a long backup time for the loading device.
  • Input: DC 5V or Micro USB 5V Max.3A, Output: DC 5V or Micro USB 5V Max.3A, support 0.5A, 1A, 1.5A, 2A, 2.5A and any current below 3A. No charger included, please use the original charger of the loading device.
  • Including 1×DC cable 5.5×2.5mm, 3×DC jacks 5.5×2.1mm, 4.0×1.7mm, 3.5×1.35mm and 1×Micro USB jacks.
  • Multiple smart protections: short circuit protection, voltage fluctuation protection, overcharge protection, over discharge protection, temperature protection, safe to use.
Rank No. #12
Mini UPS Battery Backup Uninterruptible Power Supply for Router Modem Security Camera Built in 8800mAh Battery with Input DC USB Output USB 5V DC 5V 9V 12V 2A
  • MAIN PURPOSE: Small uninterruptible power supply for power outages, with battery backup mode to ensure that your device can still use the network in the event of a power outage.
  • WIDE APPLICATION: This portable uninterruptible power supply is compatible with most router, modem, security camera, cell phone, fax machine, fingerprint recorder, DSL, and more.
  • 2 INPUT METHODS: This mini UPS has 2 input methods, 9V or 12V DC adapter (faster) or 5V 2A USB (slower), with a maximum output power of 18W, which is efficient and practical.
  • BUILT IN BATTERY: This uninterruptible power supply has built in batteries with 8800mAh capacity, providing longer endurance, standard USB port, which can be used as a regular power bank.
  • CIRCUIT PROTECTION: This compact UPS has short circuit protection, voltage fluctuation protection, overcharging protection, over discharge protection, and temperature protection to ensure safe operation.
Rank No. #13
44.4WH Monitor UPS, Home use DC Input 12V 2A 12000maH DC/DC Mini UPS Uninterruptible Power System for DVR, CCTV Camera, Router and ADSL
  • Home use 44.4WH DC UPS (not included adapter!!!) with back up battery,which stay power for all kinds of 12V 2A DC equipment, routers, broadband modems,speaker,LED light,monitor cameras,PSP etc during power outages. not only offer full protection to voltage transformer , but also store power and provide hours of operation during power failure.
  • The input of DC 12V 2A Home UPS is DC 12V very convienet for charging, easy for change even if the power adapter shut down, you can connect it toegther with a 12V 2A charger and router all the time, no need get it off during working.
  • This one attach 5.5*2.5mm and 5.5*2.1mm female and male jack,Router Mini UPS with back up 44.4wh battery.The small UPS has perfect charge discharge and over-current protection functions, which can prevent short circuit.
  • Application: Mini DC/DC UPS 12V is widely used in fingerprint attendance machine, fire safety monitoring system, emergency lighting alarm system, personal communication system, CCTV camera,Lighting ,etc.
  • The mini router UPS needs 12v 2a adapter for charging,we also sell 12v 2a UL listed adapter on Amazon, if you need 12v 2a adapter,you can buy it from us.The Dc line is 5.5*2.1 jack dimension.
Rank No. #14
32.56Wh Home Use UPS 8800mAH, 5V 12V 12V UPS 18650 Lithium Battery Backup Power Supply DC Mini UPS for Appliance CCTV Router Lighting Security Products Surge Protaector(5V 12V 12V 32.56wh)
  • Touch one time, on. touch 2 times, off. Mini Ups is a DC uninterruptible power supply which can store power. It can provide hours of operation during power failure at a low price vs a traditional UPS.
  • It is designed to provide emergency power backup to all kinds of DC power equipments such as routers, modems, set-top boxes, VOIP phone systems, surveillance systems, alarm systems, personal communication systems, radios, digital cameras,POS, Bluetooth devices, smart cards and many other critical telecom equipments.
  • multiple outputs choice for different voltage backup battery for router,modem,camera,mobile phone etc
  • MSDS certificates for the battery, smart size, clever choice for the office, home and different places
  • It is DC 12V INPUT, output with 3 outputs, 5V 12V 12V, 8800mAH, Own brand, 1 year warranty, many DC jacks for choice
SaleRank No. #15
PoE Texas UPS-12v12w | Mini Uninterruptible Power Supply (UPS) for 12 Volt Mission Critical Devices: IP Cameras, Switches, Routers, LED's
  • 12V DC Rechargeable Lithium Ion Battery, 2600 mAh Capacity, 2.5 hours at 1 amp
  • Compatible with Any 12V 1A Device: wireless routers, modems, VOIP phones, IP Cameras, Arduino
  • Convenient Simple Wall Plug Form Factor - Plug it in, Connect Your Device, Then Flip a Switch
  • Domestic U.S. Only - Does Not Ship Internationally
  • Backed by our 1 year manufacturer warranty - For expert technical support from Austin, TX please call 512 479 0317
Rank No. #16
Mini UPS Battery Backup, DC 9V 9000mAh Dormitory Home Router UPS, Rechargeable Battery Backup for LED Light Strip, CCTV Camera, Router and More, UPS Battery Backup & Surge Protector with 2 A Charger
  • ➤Function - When your router or fish tank stop power supply due to a sudden power failure, our ups battery backup will continue to supply power to your device and will not stop power supply.
  • ➤Large capacity - Router UPS the battery capacity is 9000mAh, we tested it for 9 hours without interruption, continuous power supply, Wi-Fi won't disconnect, allowing you to continue to work or continue to play.
  • ➤Compatible Multi Devices - Routers, fish tank, LED light bar products, CCTV cameras, network cameras, LED panels, amplifiers, modems, car DVRs, speakers, Spectra S2 breast pumps, card readers, mobile phones and other equipment.
  • ➤Simple to operate - Just figure out what V your device's power specification output is, we support 9V devices, plug the adapter into wall power, connect our UPS battery, and plug our product into your device. It's that simple.
  • ➤What You Get - 1* 9000mAh UPS power bank , 1*AC adapter, 1* user manual. If you don't know how to use it, or if there is any problem with the product, you can contact us at any time, we will be happy to help you.
Rank No. #17
Mobile Phone Game Controller PUBG Handle with Dual Cooling Fans Heat Dissipation No Noise Gamepad Handle Suitable for 4.7-6.5inch Phones
  • Fast heat dissipation, mobile phone does not burn, do not wear and tear mobile phone internals, play happily.
  • Install and disassemble at any time, suitable for 4.7-6.5inch phones.
  • Ergonomic handlle, comfortable grip, good feel, easy to play.
  • With dual cooling funs design, no noise, faster cooling.
  • Quick cooling, no heat on mobile phone, can be used with support.
Rank No. #18
Step Down Converter Power Converter Waterproof Step Down Volt Converter AC 10-28V to DC 12V Buck Converter AC-DC Step Down Power Module(3A)
  • Highly integrated SMD components for high stability and reliability. Output current: 1A/2A/3A/5A (Optional)
  • IP67 waterproof and dustproof, easily adapt to various working environment.
  • With overload/over-current/over temperature/short circuit protection, and it can work in normal condition when restored
  • The fire retardant plastic casing, safe and reliable; The whole filling and sealing waterproof ing design
  • Suitable for car screen, monitor camera, fan, water pump, motor, router, etc.
Rank No. #19
SHNITPWR 24V 3A DC Power Supply Adapter AC 100V~240V to DC 24 Volt 3 Amp 72W Converter Transformer 5.5x2.5mm Plug for 5050 3528 LED Strip Light 3D Printer LED Driver CCTV Security System LCD Monitor
  • Input: AC 100V - 240V, 50 / 60Hz ; Output: DC 24V, Max 3A, 72W ; It can supply with all amperage less than 3A. ---such as 500mA, 800mA, 1A, 2.5A, 3A. If your device draws 2A then 2A will be supplied. But if draws more than 3A, only 3A will be supplied and power supply will be damaged soon. NEVER OVERLOAD!
  • Output DC adaptor jack size is 5.5mm x 2.5mm. In order to meet more needs,we give away a female DC connector. You can screw wires onto it easily, no soldering required.
  • Certified by FCC CE ROHS. We focus on producing high quality power adapters. No noise, low temperature operation, no spontaneous combustion, no explosion, no fire hazard, stable output. Automatic overload cut-off, over voltage cut-off, automatic thermal cut-off, short circuit protection.
  • It is perfect for 5050 3528 24V LED Strip Light, Wireless Router, ADSL Cats, HUB, Security Cameras, Audio/ Video Power Supply, 3D Printer, LED Driver, CCTV Security System, LCD Monitor, Webcam Router and other 24V devices. This product is an AC to DC adapter, NOT charger!!!It can’t be used to charge electronic devices with batteries, such as laptops. Otherwise, it may damage your device.
  • If you don’t like our product or don't want it, please feel free to contact us. We will happily accept the return and give you refund, we have 30 days money back guarantee, 18 months exchange.
Rank No. #20
Voice Changer, Portable Voice Modulator Handheld Sound Card withSound Multifunctional Effects Machine for PS4, for PS5, for Xbox ONE, for Switch, PC and for PUGB Gaming
  • Connection Method: Mini sound card supports cable connection. The interface is of the 3.5mm type, and the for iOS system needs to purchase a separate interface conversion cable to use the device, and other devices with type C interface also need an adapter.
  • Memory Function, Plug and Play: The portable voice changer has a memory function that automatically pairs with your device when it works again. Supports noise reduction, ideal for indoor and outdoor use. Easy to carry, plug and play, no need to install any drivers.
  • Speech Conversion: With a portable voice modulator, you can change your voice in real time in online games. The combination of voice transformation and fine tuning is used to achieve 80 step speech change fine tuning.
  • Multi Sound Effects: Voice changer has 10 steps of electronic sound and 8 live sounds. Provide 8 simulation scene modes such as KTV, DJ, and Vlog. You are free to adjust it to your liking.
  • Widely Compatible: Voice changer is available for all platforms, including for PS4, for PS5, for XBOX ONE, for Switch, PC and for PUGB gaming, perfect for calling and entertaining friends.

Last update on 2023-10-06 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best Mini Dc Ups For Router?

Do you get stressed out thinking about shopping for a great Mini Dc Ups For Router? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Mini Dc Ups For Router, which is why we have assembled a comprehensive list of the greatest Mini Dc Ups For Router available in the current market. We’ve also come up with a list of questions that you probably have yourself.

Romance University has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Mini Dc Ups For Router that you consider buying. Your questions might include the following:

  • Is it worth buying an Mini Dc Ups For Router?
  • What benefits are there with buying an Mini Dc Ups For Router?
  • What factors deserve consideration when shopping for an effective Mini Dc Ups For Router?
  • Why is it crucial to invest in any Mini Dc Ups For Router, much less the best one?
  • Which Mini Dc Ups For Router are good in the current market?
  • Where can you find information like this about Mini Dc Ups For Router?

We’re convinced that you likely have far more questions than just these regarding Mini Dc Ups For Router, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Mini Dc Ups For Router, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Mini Dc Ups For Router. Make sure that you are only using trustworthy and credible websites and sources.

Romance University provides an Mini Dc Ups For Router buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Mini Dc Ups For Router currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Mini Dc Ups For Router has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Mini Dc Ups For Router?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Mini Dc Ups For Router.
  5. Customer Ratings: Number ratings grade Mini Dc Ups For Router objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Mini Dc Ups For Router.
  7. Product Quality: You don’t always get what you pay for with an Mini Dc Ups For Router, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Mini Dc Ups For Router is should be an indication of how long it will work out for you.

Romance University always remembers that maintaining Mini Dc Ups For Router information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Mini Dc Ups For Router is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

FAQ:

Q: What kind of power does a ups WiFi router use?

A: The UPS has various models that support 5v,9v, and 12v powered wifi routers. The intelligent battery management system in the UPS will automatically switch to charging mode when it is plugged in and will automatically switch to power backup mode when the main line power is cut off.

Q: What kind of battery does Mini ups use?

A: This Mini UPS comes in 2 models, the 9v and 12v. It is lightweight weighing around 400gms. The system uses a powerful Li-ion Battery for charging purposes. It comes in the market claiming to be equipped with the Power Over Ethernet feature.

Q: What can the mini uninterrupted power pack do?

A: Mini uninterruptible power supply back up battery pack can power for most 12V/9V/5V DC equipment, wireless routers, telephone, LED strip,monitor cameras, etc. It can provide hours of operation during power failure. Provide short-circuit, over-current and over-charging/discharging protection.

Q: What kind of power supply do I need for my modem?

A: Rechargeable Uninterrupted Power Supply is designed specifically to Modem, Router, CCTV Camera, LED strip, Spectra S2 breast pump and Lighting, or 5V/9V/12V DC electronic device. Built-in 12pcs rechargeable 18650 lithium ion battery cells in 3s4p. 2*USB 5V.

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