The Best 4.2V Batteries of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 4.2V Batteries of 2022. Check our ranking below.

2,996 Reviews Scanned

Rank No. #1

Replacement 300-10186 Lithium-ion Battery 3.6V/4.2V for ADT Command Smart Security Panel ADT5AIO-1 ADT5AIO-2 ADT5AIO-3 ADT7AIO-1 Honeywell ADT2X16AIO-1 ADT2X16AIO-2

Replacement 300-10186 Lithium-ion Battery 3.6V/4.2V for ADT Command Smart Security Panel
Replace Battery Part Number 300-10186
Compatible with Honeywell ADT Command Smart Home Touchscreen Security Panel ADT5AIO-1, ADT5AIO-2, ADT5AIO-3, ADT7AIO-1, ADT2X16AIO-1, ADT2X16AIO-2
No Memory Effect, Over-Charge, Over-Discharge, Over-Heat, Over-Current and Short-Circuit Protection
Buy with confidence. We iMahDirect guarantee 24-hour email support, 1-year free replacements and lifetime free-updates service. Please kindly check the compatible Voltage, Cell Size and Connector Type for best fit

Rank No. #2

Replacement Battery 300-10186 for ADT Command Smart Security Panel, Lithium Ion 3.6V/4.2V 8000mAh

Part No.: 300-10186
Lithium ion 3.6V/4.2V 8000mAh (min) / 8400mAh (typ)
Assembled with branded 2800mAh cells
Same IC chip as the original battery
Compatible with ADT Command smart home security system panel

Rank No. #3

VICTAGEN Intelligent Charger 18650 Battery, Rechargeable Batteries Universal Compatible LCD Display Speedy Smart Charger for Ni-MH/Ni-Cd A AA AAA Li-ion Battery

🔋【SAFETY PERFORMANCE】this 2-slot battery charger complies with the directives and Standards requirements by CE RoHS FCC UL.Built-in intelligent circuit protection will protect against short circuit, overheat,over voltage,Meanwhile,the discharge function can decrease damage for battery.Do not charge damaged / inferior battery.
🔋【UNIVERSAL COMPATIBILITY】this battery charger is compatible with rechargeable battery such as Li-ion ICR/IMR INR 3.7V battery(26650, 26500, 25500, 22650, 22500, 20700, 18700, 18650, 18490, 18350, 17670,17500,16340(RCR123),14500, 10440, 10340) and Ni-MH Ni-Cd rechargeable batteries A/AA/AAA/AAAA/C batteries,etc.
🔋【VISIBLE CHARGING PROCESS】the build-in LCD display will monitor real time charging status and battery percentage independently while charging, making the charging process visible and efficient.
🔋【WHAT YOU GET】1 x Victagen universal 2 slots battery charger, 2 x 18650 rechargeable batteries, 1 x 2.1 USB charging cable, 1 x user manual, 30 Days Free Refund, lifetime maintenance.
💡【CUSTOMER SERVICE】Victagen strives to provide 100% satisfactory products and service to our customer. If there exists any questions about the battery charger, please feel free to contact us, we will respond in 24H.

Rank No. #4

Smart USB Lithium Battery Charger 1A Fast Charging for 18650 26650 32650 14500 18500 17335 3.7 4.2V Rechargeable Lithium Batteries Single Slot

UNIVERSAL FLASHLIGHT CHARGER: The Li-On charger are used for rechargeable batteries, like Li-ion/LiFePO4 IMR INR ICR 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14430, 14500, 14650, 16500, 16340 (RCR123), 16650, 17350, 17500,17650, 17670, 18350, 18490, 18500, 18650, 20700, 21700, 22500, 22650, 25500, 26500, 26650, 32650 and etc for LED flashlights.
WIDELY USE: It works from Micro USB interface at input 5V/2A, and output 4.2V/1A (1000mAh, others are normally 500mAh and slower than this charger) to charge a Li-ion battery. The design of input from Micro USB port can be compatible with either a mobile device or car charger port.
SAFE CHARGER: The Li-On lamp charger was featured overcharge and over discharge protection, short circuit protection, smart identification of damaged batteries and battery reverse polarity protection. We adopted high quality PCB and meal parts to ensure long life of charger.
QUCK CHARGING: Portable and convenient design to support global USB directly charging. With output of current at 1A, the flashlight charger is high speed to make charging faster than normal.
INDICATOR & SMART CHARGER: When the indicator is RED, it means no battery installed into the charger or it is charging; when it's GREEN, it means full charged; make sure you put the battery in position and it contacts with charger. Automatically detects the battery type and start charging or stop charging; no need extra setup to charge a 3.6V battery or 4.2V battery. This charger will protect your battery when it's full charged no matter how long you will leave the battery in the charger.

Rank No. #5

Battery Replacement for ADT Command Smart Security Panel

Product Type: Lithium ion, Voltage: 3.7V, Capacity: 7800mAh/28.86Wh
Size: 68.80 x 55.40 x 18.80mm, Weight: 170.0g
High-quality battery with high-capacity cycling function, perfect replace your original battery part number: 300-10186
No memory effect, over-charge, over-discharge, over-heat, over-current and short-circuit protection
30-day Money Back Guarantee and 12-month Warranty, email service within 24 hours

Rank No. #6

E-outstanding 4.2V Dual-Slot Charger Flashlight Charger 18650 Charger Li-ion Rechargeable Battery Charger US Plug Charger

Made of high-quality materials, strong and durable, and long service life.
Safe charging and easy to use. Overheating, overcharge and overcurrent protection, short circuit and reverse polarity protection.
With a LED indicator: red light stands for charging status and green light for fully charged.
Only suitable for rechargeable batteries.
Size: 100x42x32mm/3.94x1.65x1.26"; Input Voltage: 110-240V 47/63Hz; Output: 4.2V/600mA.

Rank No. #7

Battery Charger Board, 2A 5V 4in1 Charger Discharge Module Charge Protection Board for 3.7V 4.2V Li-ion Battery Component Electronics Lithium Battery Charger Module

This module can protect lithium battery from burnout during charging or discharging.
Provide many protection functions against over-current, overvoltage, short circuit, over-temperature protection.
Suitable for 3.7V or 4.2V lithium battery.
The module is made with high quality electronic components, reliable and stable.
Reasonable layout, easy to wire and use.

Rank No. #8

iCreatin AC/DC 4.2V 2A Power Adaptor Lithium Battery Charger Single String Polymer Battery Charger 18650 Lithium Battery Charger Full Stop Automatically

Input voltage: AC 110V / 220V (AC100-240V suitable for anywhere in the world voltage level).
Output interface: 5.5 x 2.1mm (With built-in leaf spring, Compatible with 5.5x2.5 / 2.1mm ).Before buying, be sure to confirm that the interface size of this product matches with yours. Wrong size will not work!!!
Output: DC 4.2V 2A (Suitable for 3.7V 4.2V 1-string Lithium Battery Pack)
Output Wire length: 1m / 3.28ft.
With over-current protection, over-discharge protection, over-voltage protection, overcharge protection, short circuit protection.（Enter Protection mode , with flashing red light）

Rank No. #9

LM YN 4.2V 1A Power Adapter Li-ion Battery Charger with LED Indicator 5.5 x 2.5 2.1mm DC Interface Suitable for 3.7V 4.2V 1-String Lithium Battery Pack

NOTE:【The DC output port specification of this adapter is 5.5x2.5mm compatible with 5.5x2.1mm, which is not suitable for other specifications of the interface. Please be sure to confirm the DC port specifications of your device before ordering. If the two do not match, it will not work】
Input voltage: AC 120V / 220V (AC90-264V suitable for anywhere in the world voltage ).
Output: DC 4.2V±0.2V 1A (Suitable for 3.7V 4.2V 1-String Lithium Battery Pack)，Output Wire length: 1.1meters / 3.6ft.
Output interface: 5.5 * 2.5mm / 2.1mm (With built-in leaf spring, Compatible with 5.5x2.5 / 2.1mm ).
With over-current protection, over-discharge protection, over-voltage protection, overcharge protection, short circuit protection.（Enter Protection mode , with flashing red light）.

SaleRank No. #10

MEROM 4.2V 2A AC/DC Power Adapter for Lithium Universal Smart Battery Charger for 3.7V Li-ion Packs, Quickly Charge and Full Stop Automatically (4.2V 2000mA Output)

【Specification】Input: AC 100V-240V, Output: 4.2V 2A, Length: 5FT/1.5M, High efficiency and reliability. Short circuit and over voltage protection,Certified by FCC, CE UL and ROHS.
【Compatibility】For 3.7V Li-ion Packs charger ,Suitable for 3.7V 4.2V 1-string Lithium Battery Pack
【Quality Assurance】With over-current protection, over-discharge protection, over-voltage protection, overcharge protection, short circuit protection.（Enter Protection mode , with flashing red light）
【Notice】⚠️ ⚠️Output interface: 5.5 x 2.1mm (With built-in leaf spring, Compatible with 5.5x2.5 / 2.1mm ).Before buying, be sure to confirm that the interface size of this product matches with yours. Wrong size will not work! (Not for charging individual Li-ion unprotected cells)
【Customer Service】Product refund period is 30 days, 12-month product exchange service and lifetime professional product technical support are provided as well. Having any question about our product, please contact us to get the quick answer.

Last update on 2022-10-05 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best 4.2V Batteries?

Do you get stressed out thinking about shopping for a great 4.2V Batteries? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching 4.2V Batteries, which is why we have assembled a comprehensive list of the greatest 4.2V Batteries available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 4.2V Batteries that you consider buying. Your questions might include the following:

Is it worth buying an 4.2V Batteries?
What benefits are there with buying an 4.2V Batteries?
What factors deserve consideration when shopping for an effective 4.2V Batteries?
Why is it crucial to invest in any 4.2V Batteries, much less the best one?
Which 4.2V Batteries are good in the current market?
Where can you find information like this about 4.2V Batteries?

We’re convinced that you likely have far more questions than just these regarding 4.2V Batteries, 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 4.2V Batteries, 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 4.2V Batteries. Make sure that you are only using trustworthy and credible websites and sources.

We provide an 4.2V Batteries 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 4.2V Batteries 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:

Brand Value: Every brand of 4.2V Batteries 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.
Features: What bells and whistles matter for an 4.2V Batteries?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your 4.2V Batteries.
Customer Ratings: Number ratings grade 4.2V Batteries objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 4.2V Batteries.
Product Quality: You don’t always get what you pay for with an 4.2V Batteries, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an 4.2V Batteries is should be an indication of how long it will work out for you.

We always remember that maintaining 4.2V Batteries 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 4.2V Batteries 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.

The Best 4.2V Batteries of 2022 – Reviewed and Top Rated

How Do You Buy The Best 4.2V Batteries?

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