We’ve spent hundreds of hours researching and comparing 3.7V Aa Batteries of all specifications to find the best one for any need (or budget). Here are the results.

The Best 3.7V Aa Batteries of 2020 – Top Rated & Reviewed

2,937 Reviews Scanned

Rank No. #1
Amazon Basics 4-Pack AA Batteries, High-Capacity 2,400 mAh Rechargeable Battery, Pre-Charged, Recharge up to 400x
  • IN THE BOX: 4-pack of pre-charged AA rechargeable batteries; 2,400 mAh
  • DEVICE COMPATIBILITY: Ideal battery for digital cameras, remote controls, toys, and more
  • RECHARGEABLE: Delivered pre-charged and ready to use; can be recharged up to 400 times with minimal power loss
  • LOW SELF DISCHARGE: Maintains 80% capacity for 24 months
  • EASY USE & STORAGE: Ships in Certified Frustration-Free Packaging
Rank No. #2
EBL 3.7V Li-ion Rechargeable Batteries 3000mAh 18J Lithium Battery for Flashlights, Headlamps, Doorbells, RC Cars (2 Pack)
  • EBL USB rechargeable battery - 3.7V lithium batteries(size: 18.5mm x 70mm),perfectly used for flashlights(S1000/LC 90 Bolder/T04-1 /LFX1000), toys, doorbells, headlamps and other household devices.
  • Built-in micro USB port - easy to charge with the included 2 in 1 USB cable, no additional battery charger required, just plug into any USB port at anytime and anywhere.
  • Recharge up to 1200 cycles - these batteries could be recharged up to 1200 times, longer battery life than alkaline batteries, no need to buy batteries frequently.
  • Safety Assurance - built-in integrated safety circuit protects battery from over-charge, over-discharge, short-circuit and over-heat, ensures complete safety for the battery charging.
  • High performance - EBL 3.7V Li-ion batteries with 3000mAh capacity, support stable 3.7volt output voltage, makes the devices work more stable and lasting longer, great replacement batteries for high frequently used devices.
Rank No. #3
ICR10440 3.7V 350mAh Lithium Ion Rechargeable Battery with Button Top 10pcs
  • Pay attention:they Are 3.7V 350MAH ICR 10440 Battery,Can't Replaced The 18650 Battery.also they are not AA size batteries,pls make sure the size before you place an order.
  • More than 2000 times Long cycle life,bring you high quality experience.
  • Do NOT use these batteries in electrical devices that require 1.5V batteries.
  • Dimension: 10mm*44mm
  • Battery appliations: Flashlight,headlamp,lantern,LED light,weapon light.garden light.
Rank No. #4
3.7V Rechargeable 1/2AA Lithium ion Battery icr14250 300mAh Count : (2)
  • Note:It is not AA-size battery and does not fit to replace AA-size rechargeable battery, It is 1/2AA. This is SHORTER than AA-size battery.Please carefully check your equipment model and choose the correct one.
  • Battery size: 14.5mm diameter*25.0mm height
  • Battery in FLAT TOP on positive end, pay attention when made order!
  • Battery can be charged over 500 cycles
  • Used for:various flashlights, torches,GPS, equipment devices etc
Rank No. #5
EBL 18500 Rechargeable Batteries 3.7V 1600mAh Flat top Batteries for Flashlight, Solar Garden Light, 4 Pack
  • This is 18500 battery, high capacity 18500 lithium rechargeable batteries with flat top. Not 18650 battery, can not compatible with devices that using 18650 batteries.
  • High capacity 1600mah lithium rechargeable batteries 4 count, compatible flashlight batteires.
  • Exact battery dimensions 50±0.5MM x 18±0.5MM (1.98in x 0.6875in).
  • For your shopping experience, please confirm whether your device can use our batteries.
  • Pay attention:they are not AA, AAA or 18650 size batteries, the batteries size are 50 x 18MM (1.98in x 0.6875in), also they are flat top batteries, the positive terminal doesn't have the protruding nub.
Rank No. #6
ICR10440 Lithium Ion Rechargeable Battery 3.7V 350mAh with USB Charger (2pc Button top +Charger)(They are not AA Size Battery)
  • Model:3.7V 350mAh AAA ICR 10440 Battery with one Fast Li-ion Battery Charger
  • Battery Diameter:0.41 inch*Height:1.75 inch(they are not 1865mm size batteries)if you recived the pacakge that just miss the batteries pls contact us,we will resend it for you again.
  • please note that this charging for Lithium battery only,do not charging for other type of batteries,also if you didn't recived the batteries or the charger,pls contact us we will resend it for you again or refund the money for you
  • Do NOT use these batteries in electrical devices that require 1.5V batteries.
  • Battery appliations: Flashlight,headlamp,lantern,LED light,weapon light.garden light.
Rank No. #7
Smart Charger Universal LED Battery Charger 2 Slots Power-Bank Compatible with IMR Li-ion 3.6V/3.7V 16340 16650 18650 Ni-MH Ni-Cd 1.2V A AA AAA C SC F6 Rechargeable Batteries 2A Fast Charge
  • SMART CHARGER - This is a smart battery charger with LED indicator, Micro-USB powered and can charge everywhere. Also could automaticlly detect Li-ion Ni-MH batteries at same time or separately.
  • 2A FAST CHARGE - Each slot is independent, the max charging currently is 2A for fast charge. Almost double faster than 1A charger.
  • LED INDICATION & MORE SAFETY - LED to indicate the percentage of capacity charged. Over-heat protection, Short-circuit protection, Over-charge protection and Reverse-polarity protection.
  • PLUS FUNCTION - Could be used as power-bank with charged batteries in.
  • UNIVERSAL INTELLIGENT CHARGER - Automatically adjust and choose the best charging current(1A/2A) for better match. Apply to 3.6/3.7V Li-ion: 10400/14500/14650/16340/RCR123)/18350/18500/18490/18650/20700/21700/22650/26650/26700 Apply to 1.2V Ni-MH/Ni-Cd: AAAA/AAA/AA/A/SC/C/F6
Rank No. #8
18650 Battery Charger, FARSAIL LCD Displays Universal 3.7V Lithium ion 18650 Batteries Charger for 18650 18350 18500 16340 18490 17670 17500, NiMH NiCd A AA AAA Rechargeable Batteries
  • High definition LCD displays real time charging status, four sets of led indicators show independently when charging, making the charging process visible status and stopping once completing charge intelligently;
  • 2 Bay Speedy Rechargers for: 3.7V Button Top Lithium ion 3400mAh Panasonic NCR18650B 3.5-Hour, 3.7 Volt Flat Top Liion 2500mAh LG HE2 2.5-Hour @ 1A Fast Charge Current.
  • Temperature protection: Stop charging automatically if the temperature of charger or battery gets too high when charging. Stainless steel rail is more durable and smooth. Worldwide voltage, suitable for the whole world, car adapter is available;
  • 18650 Charger for 3.7v Li-ion/IMR/INR/INR/ICR/LiFePO4: 10340, 10350, 10440, 10500, 12340, 12500, 12650,13450, 13500, 13650, 14350, 14430, 14500, 14650, 16500, 16340, 16650, 17350, 17500, 17650, 17670, 18350, 18490, 18500, IMR18650, 18700 rechargeable batteries.
  • FARSAIL Intelligent Charger - We guarantee the quality before the item ships. 30 Days Free Refund, 2 Years Free Replacement, Lifetime Maintenance.
Rank No. #9
6X 14250 LS14250 CR14250 1/2 AA Battery top Button Rechargeable 3.7V Li-ion for LED Flashlight Torch Headlamp Instrument and Equipment Tools 280mah
  • 6X 14250 LS14250 CR14250 1/2 AA Battery top Button Rechargeable 3.7V Li-ion for LED Flashlight Torch Headlamp Instrument and Equipment Tools 280mah
Rank No. #10
3.7V ICR18500 Li-Ion Rechargeable Batteries Flat Top with USB Charger (2pc+Charger)(They are Not 1865mm Batteries)
  • Model:ICR18500 Li-Ion Rechargeable Batteries Flat Topwith charger,pls make sure the batteries size before you placed it,they are can't replaced for 18650 batteries also can't replaced the aa size batteries.
  • Pay attention:Battery Size: 0.71*1.97 inch,they can't replaced the 18*65mm and AA,AAA Battery,also Positive terminal doesn't have the protruding nub
  • More than 500 times Long cycle life,bring you high quality experience.
  • High discharge rate performance.
  • Appliations:Security System Panels, Frsky x-Lite pro controller.

Last update on 2021-11-20 / Affiliate links / Product Titles, Images and Descriptions from Amazon Product Advertising API

Top Rated 3.7V Aa Batteries to Buy Now

 

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How to Choose the Best 3.7V Aa Batteries (with Price and Reviews)

Although most 3.7V Aa Batteries are similar, there are several differences worth noting. Here are nine criteria to consider when choosing an 3.7V Aa Batteries:

(1) 3.7V Aa Batteries Price and Reviews

Although price is not the only factor to consider, it is nevertheless extremely important. The price of an 3.7V Aa Batteries should be in line with its value. You can compare 3.7V Aa Batteries reviews to make sure you are getting a fair price. This is easy to do on Amazon.

(2) Demand

The demand for a particular 3.7V Aa Batteries is a good indication of its ability to perform the functions for which it was designed. If a product has been around for a while and still has a high demand, it is likely a good product.

(3) Material

3.7V Aa Batteries materials differ from manufacturer to manufacturer. Consider where and how you will be using your 3.7V Aa Batteries to determine if one material would be better than another.

(4) Size

Like most products, 3.7V Aa Batteriess come in various sizes. Do you need a large 3.7V Aa Batteriesor a small one? Think about where you will use your 3.7V Aa Batteries in order to determine the best size. You can also read the customer reviews on Amazon to see what others are saying about the size of the unit they purchased.

(5) Color

3.7V Aa Batteriess also come in a variety of colors. Do you need a particular color? You should also consider whether the color of your 3.7V Aa Batteries would have any effect on the efficiency of its operation.

(6) Durability

The durability of an 3.7V Aa Batteries will be contingent on the materials used as well as the quality of the manufacturing process. Additionally, the type of 3.7V Aa Batteries you purchase may affect its durability.

(7) Storage

Will you need to store your 3.7V Aa Batteries? If so, you should consider the size and weight of the 3.7V Aa Batteriesto make sure that it can be stored properly. Also, give some consideration to the type of climate in which your 3.7V Aa Batteries will be stored.

(8) Customer Ratings

Customer rating is one of the best criteria for choosing an 3.7V Aa Batteries. It is hard to know exactly how an 3.7V Aa Batteries will perform until you get it home and try it out.

(9) Warranty

Make sure the 3.7V Aa Batteries you are considering is backed by a good manufacturer’s warranty. If it isn’t, you might be better off with another ones.