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The Best 5v lithium ion battery of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 5v lithium ion battery of 2023. Check our ranking below.

2,786 Reviews Scanned

Rank No. #1

KBT 5V 4Ah Battery Pack with Charger & DC5521 Connector Cable for 5Volt Devices RC Car, Robot, DIY, LED Light Strip

Battery size: 75*35mm (Length*Diameter), Battery weight about 115g, battery cable length 10cm, 5V charger cable length 90cm.
Premium battery pack: Build in protection board, prevent battery from over-charge, over-discharge, over-voltage and short-circuit. Each battery pack is build with premium batteries to provide your devices powerful energy.
Long using life: this 5V battery pack build with lithium-ion battery, no memory effect, is of over 1000 times charge-discharge cycles.
4.8V RC car battery replacement: the 5V battery pack can supply 5V power continuosly for your RC car RC Toys and have large capacity for long time running.
After sales service: please feel freely to contact with us for customer support if you have any probelm with the product. Your inquiry will have our prompt reply.

Rank No. #2

OXWINOU 3.7V 250mAh 402030 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Bluetooth Headset, Watch 2-Pack

This product is suitable for battery replacement of DIY 3.7-5v electronic products, mobile energy storage, power supply, LED light, wireless Bluetooth game headset, outdoor video and audio electronic scale, GPS Watch recorder, e-book, USB Fan tester, dash cam controller, mouse and keyboard.
Please carefully compare the polarity of the connector before use,the red wire is the positive "+" and the black wire is the negative "-"，Do not reverse-charge or reverse-connectreverse. The primary battery of some products has no plug or mismatched plug or mismatched polarity. It doesn't matter, you can cut and solder the plug directly or use our heat shrinkable insulating sleeve to connect the same color wire.
402030 rechargeable lithium ion polymer battery, nominal voltage 3.7V, capacity 250mAh, power 0.92Wh, size 4×20×30.5mm(0.157×0.787×1.22inch）(T*W*L).
It‘s consists of of large-capacity A+ lithium battery, Japanese Seiko IC overcharge and overcurrent short circuit protection board, 3302-26 high temperature resistant silicone cable, and genuine JST Pitch1.25mm 2-pin connector module.
It can prevent overcharge, overdischarge, overcurrent, and short circuit.

Rank No. #3

KBT 5V 6Ah Rechargeable Lithium Replacement Battery Pack, with 5V Battery Charger, Charging Cable for LED String Light, Home Security Camera, CCTV Camera, WiFi Router, DIY Project

【Box including】: 1* 5V 6Ah Lithium replacement battery, 1* 5V charger, 1* charging clip, 2* charging cable, 2* extension cable, 1* cable connector.
【Premium Battery Performance】: Ternary Lithium-ion battery has high energy density, light weight, long cycle life, good charge-discharge performance, no memory effect, low self-discharge rate, environment-friendly etc. This KBT 5V 6Ah battery has built-in BMS protection PCB Board to prevent battery from overcharge, over-discharge, over-current and short circuit.
【Long Cycle Times】: Compared to lead-acid battery lasting 200-300 cycles, KBT 5V ternary lithium-ion battery has longer lasting life and there is still more than 80% capacity over 1000 cycles. KBT 5V ternary lithium battery has more powerful discharge funtion, faster charge speed than lead-acid battery.
【Widely Uses】: KBT 5V battery is lightweight and can be used in most device such as: LED strip, emergency light, WiFi router, home alarm system, home security camera, fire security systems, solar panel etc
【After sales service】: We provide replacement service and 12 months warranty. Please feel freely to contact with us for customer support if you have any question with our product. Your inquiry will have our prompt reply.

Rank No. #4

HXJNLDC DC 3.7V 1100mAh 102050 Rechargeable Lithium Polymer Battery, Suitable for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement and LED Lights

This battery is applicable to electronic products with DIY 3.7-5V less than 4.07Wh 1100mAh.（★ Not applicable to high-power electric tools and model aircraft）
Please compare the connector specifications and polarity according to the display diagram before purchasing,★the red wire is the positive "+" and the black wire is the negative "-"，Do not reverse-charge or reverse-connectreverse. ★The primary battery of some products has no plug or mismatched plug or mismatched polarity. It doesn't matter, you can cut and solder the plug directly or use our heat shrinkable insulating sleeve to connect the same color wire.
102050 rechargeable lithium ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 1100mAh, power 4.07Wh, ★size 51×20×10mm(2×0.787×0.394inch）(L*W*T), Weight:18g(0.635oz)，Maximum current:1.1A。 It can prevent overcharge, overdischarge, overcurrent, and short circuit.
It‘s consists of of large-capacity A+ lithium battery, Japanese Seiko IC overcharge and overcurrent short circuit protection board, 3302-28 high temperature resistant silicone cable, and genuine JST Pitch 1.0mm ★2 wire connector module.
If there are any quality issues within a year, ★please feel free to contact us via email for replacement.

Rank No. #5

BIAL 5V Mini Lithium Polymer Batteries 5000mAh Extra Battery for Heated Slippers/Heated Gloves, 5V Spare Battery Additional Battery Backup Battery Auxiliary Battery (1 Pair)

【Important Note】 This mini battery lacks a built-in gear adjuster switch. For use with heated products (e.g., shoes, socks, scarves, insoles), ensure they have their own temperature control switch. Also, when using the DC output, confirm the DC socket measures 3.5x1.35mm.
【 Package Included 】A Pair 5V 5000mAh Mini Rechargeable Li-Polymer Batteries, 1 x Dual Charging Cable. 5000MAH Batterys Takes 5-6 Hours to Fully Charge. The BIAL RTX-DR08L shoe extension battery is incredibly small and weighs only 91 grams, making it perfect for on-the-go use.
【 Charging Port Type 】 Female DC 3.5 * 1.35 MM jack (3.5mm outer diameter, 1.35mm inner diameter),The max output current is 2A.Use for DC 3.5*1.35 jack Heated Slippers, Heated Gloves, Heated Socks, Heated Hats, Heated Belts.You can use it as a spare battery provides ample power to keep your devices running smoothly.
【 Charging Precautions 】 This Mini battery does not support fast charging protocols due to its small size. The most effective charger is a 5V 2A or 3A charger without fast charging function. Charging this battery with a fast charger may result in incompatibility and slower charging speeds.
【 Safety Certified 】 Rest assured knowing that our battery has undergone rigorous testing, including US UL certification, ensuring it meets the highest safety standards. The BIAL RTX-DR08L shoe extension battery is incredibly small and weighs only 91 grams, making it perfect for on-the-go use.

Last update on 2025-07-13 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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Features: What bells and whistles matter for an 5v lithium ion battery?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your 5v lithium ion battery.
Customer Ratings: Number ratings grade 5v lithium ion battery objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 5v lithium ion battery.
Product Quality: You don’t always get what you pay for with an 5v lithium ion battery, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an 5v lithium ion battery is should be an indication of how long it will work out for you.

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FAQ:

Q: Do lithium ion batteries go bad?

A: Lithium Ion batteries “go bad” when they are stored in discharged state. It is all about battery voltage. If voltage is too low – undesireable chemical reactions will happen and battery will degrade. If battery is not empty and not used for long time – it will be fine.

Q: What does rechargeable lithium ion battery mean?

A: A lithium-ion battery or Li-ion battery (abbreviated as LIB) is a type of rechargeable battery in which lithium ions move from the negative electrode to the positive electrode during discharge and back when charging.

Q: Why are lithium batteries rechargeable?

A: Second, lithium is much lighter than other metals used in batteries, such as lead, which is important for small objects such as phones but also for cars that require many batteries. Third, lithium-ion batteries are rechargeable, because lithium ions and electrons move easily back into negative electrodes.

Q: What are the advantages of lithium batteries?

A: High Energy Density: One of the biggest advantages of a lithium-ion battery is its high energy density. To put it straight, lithium-ion batteries can last way longer between charges all the while maintaining a high current output. That makes it the perfect battery for most modern needs.

5v lithium ion battery