We’ve spent hundreds of hours researching and comparing 3 7V Battery of all specifications to find the best one for any need (or budget). Here are the results.

The Best 3 7V Battery of 2020 – Top Rated & Reviewed

2,978 Reviews Scanned

Rank No. #1
2 Pack 10440 3.7V Rechargeable Battery Li ion 350mAh Button Top
  • Pay attention- There are NOT normal AAA battery (size: 0.39Inch*1.77Inch), Our size: 0.39Inch*1.73Inch
  • 10440 Cell 3.7V li ion Rechargeable Battery
  • Button Top; Normal Capacity:350mAh
  • 3.7V Rechargeable
  • Application for:Most Flashlight, wireless communications terminal equipment and a variety of portable devices, etc.
Rank No. #2
ENGPOW 3.7V 850mah Rechargeable Lipo Battery for MJX X400 X400W Holy Stone X300C X400C X800 HS110 HS200 Syma X56W Sky Viper S670 V950hd s1750 V2450 RC Quadcopter Drone with X4 Charger
  • 🎅✈Best Choice as Gifts:Exquisite and Thoughtful package,High Cost-effective Battery.Enough Power for your flight.(If you find the battery is a little thick, you can remove the plastic from the surface of the battery to make it fit)
  • 🎅✈Compatible with MJX X400 X400W Holy Stone X300C X400C X800 HS110 HS200 Syma X56W Sky Viper S670 V950hd V950str s1750 Drone.Product size:40*25*9.5mm/ 1. 57 x 0.98 x 0. 37 inches,Weight: 20g/ 0. 70oz.
  • 🎅✈Notice that the lights of the charger will be off while the batteries are charged fully.Stop charging automatically when batteries energy full(Charging will stop automatically after charging to 4.2V).It's safe to use,over charge protection, Short circuit protection.
  • 🎅✈Package including: 4pcs batteries(JST), 1set 4-port charger,4pcs adapter cables, 1pcs usb cable, can charge 4 batteries at one time!The charger has a very good connection with each batteries.
  • 🎅✈❤CUSTOMER SERVICE: We provide friendly after-sale service and no risk refund for our customers. If you have any issue, please contact us and we will try out best to solve your issue!
Rank No. #3
18650 Battery Charger, FARSAIL Rechargeable Battery Charger Compatible with 3.7V Lithium ion 18650 18350 18500 RCR123A 18490 17670 17500 and NiMH/NiCd 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 Compatible with 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.
SaleRank No. #4
1800mAh Replacement Battery for Infant Optics DXR-8 Video Baby Monitors (1 Pack)
  • -3.7V lithium-ion rechargeable battery
  • -Compatible with Infant Optics DXR 8 baby monitors and other suitable devices
  • -1800mAh capacity, provide 50% more power than original ones (1200mAh)
  • -Can power DXR8 to work 11-12 hours in power-saving mode and 7-8 hours in bright screen mode
  • -30 days money back and 1 year guaranty from the date of purchase
Rank No. #5
Super Bright 2000 Lumen 18650 Tactical Flashlight and 6PCS 3.7V High Capacity Rechargeable Battery+Batteries Charger,Zoomable, Water Resistant, 5 Modes Handheld Light
  • SUPER-BRIGHT: 2000 lumen (max) LED Flashlight,Ultra wide beam effortlessly illuminates a whole room or backyard.Adjustable focus with 5 modes: High, Medium, Low, Strobe, and SOS/Emergency protect your safety.
  • LONG-LASTING: Up to 6 hours (Medium-beam mode) of powerful, non-diminishing brightness from the included premium rechargeable High Capacity battery.
  • TOUGH & RELIABLE: IP65-rated water resistant and designed for use in heavy rain. Its durable aluminum body and shock-resistance endure rough handling.
  • High-Capacity Performance Lasting:This rechargeable High Capacity battery that can last up to 3~6 hours with a single charge.The battery is perfectly protected against heat and high temperature, allowing you to charge safely.
  • Warranty and Refund: If anything at all goes wrong with your flashlight, feel free to contact us Via Amazon email. 12 months warranty and 30 days money back guarantee. Please rest assured to buy, no worries at all.
Rank No. #6
EBL 18500 Rechargeable Batteries 3.7V 1600mAh for Flashlight, Solar Garden Light
  • 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 solar replacement batteries, 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.
Rank No. #7
LED Rechargeable 8000 Lumens 18650 Headlamp Flashlight,Kit with 6PCS 3.7V High Capacity Rechargeable Battery + Batteries Charger For Camping,Hiking, Outdoors
  • LONG-LASTING, POWER DISPLAY--- Come with 6PCS 18650 batteries headlamp, it can work 20~30 hours with fully charged at normal temperature.
  • 4 WORKING MODES: Whether you prefer to use the lowest, most focused setting,the wider and splashier medium and high modes, or the bright emergency-ready strobe light, this movable brightest LED head light is prepared to adjust to a full range of lighting needs.
  • ADJUSTABLE & LIGHTWEIGHT: Adjustable elastic headband compatible with all of people’s head size, soft elastic is comfortable to wear, lightweight enough for only 2.85oz
  • IPX-5 WATER RESISTANT: Practical, Reliable, Durable.It protects against splashing water from anywhere, no need to worry about rains, snow
  • High-Capacity Performance Lasting:This rechargeable High Capacity battery that can last up to 3~6 hours with a single charge.The battery is perfectly protected against heat and high temperature, allowing you to charge safely.
Rank No. #8
2000 Lumen LED Tactical Flashlight and 6 Pack 3.7V Rechargeable High-Capacity Battery with Batteries Charger,Adjustable Focus and 5 Light Modes Handheld Flashlight for Camping Hiking Running
  • 【SUPER BRIGHT & PORTABLE】This flashlight has a maximum output power of 2000 lumens. It’s so powerful but small and portable to carry. The Length is 5.2 in.
  • 【Ultra-Bright Clarity】our pocket flashlights are small in size but big on power to give you the best nighttime view.Easily light up an entire room or focus in on objects up to 1000 feet away!
  • 【LONG-LASTING power】You don’t need to be busy replacing batteries constantly, very handy tactical flashlight,with 6 * 3.7V rechargeable battery and 1* charger.After fully charged, the flashlight can last about 4~6 hours on High mode.
  • 【Indoor and Outdoor Versatility】The heavy-duty aluminum alloy body protects the LED lightbulbs on the inside and it’s also splash resistant if it rains or gets wet.
  • All Flashlights and batteries come with free return within 30 days, free repairing within 1 year. We take care of all quality-related issues with a replacement or refund. If you have any problem with the product, please contact us.
Rank No. #9
BATTRY SOLAR LIPO 18500
  • Model:ICR18500 Li-Ion Rechargeable battery(the can't replaced the 18*65mm battery)
  • More than 500 times Long cycle life,bring you high quality experience.
  • Battery Size: 0.71*1.97 inch,please note that this is not aa or aaa size also not the 18*65mm battery size..
  • No memory effect
  • Appliations:Solar Lights, Garden Lights , Security System Panels, LED Flashlights,Landscape Lighting.
Rank No. #10
3.7V 150mAh 302530 Lipo Battery Rechargeable Lithium Polymer ion Battery Pack with JST Connector
  • Voltage: DC 3.7V; Capacity: 150mAh
  • Material: Lithium Polymer; Net Weight: 6g
  • Size: 30 x 25 x 3mm / 1.18" x 0.98" x 0.12" (L*W*T)
  • Connector Type: 2P PH2.0mm Pitch; Cable Length: 5cm / 2"
  • Package Content: 1 x Lithium Polymer Battery

Last update on 2020-09-20 / Affiliate links / Product Titles, Images and Descriptions from Amazon Product Advertising API

Top Rated 3 7V Battery to Buy Now

 

Why You Should Buy Best 3 7V Battery from Amazon

Amazon is not the only store that sell 3 7V Battery. However, there are several compelling reasons why you should buy 3 7V Battery from them, with the suitable Price and Reviews. Here are five:

(1) Amazon Makes Shopping 3 7V Battery Personal

Amazon is very good at making recommendations of 3 7V Battery based on your search history. From time to time, they will even show you discounted prices on 3 7V Battery that you previously expressed an interest in. They also make your shopping experience a little easier by showing you items that you recently viewed.

(2) Amazon Checkout is Easy

Amazon checkout is easy, especially if you already have an account. You can add 3 7V Battery to your cart and go through a multi-step checkout process, or you can buy 3 7V Battery with only one click by using your stored credit card information.

(3) Amazon Has Lots of Social Proof

Before you make a purchase for 3 7V Battery, you want to know that the company you are dealing with is legitimate and that others trust the company enough to make a purchase. You may also like to read what others are saying about the product in the review section. Amazon does all of this quite well.

(4) Amazon Has Great 3 7V Battery Images and Descriptions

In addition to still images, many of Amazon’s 3 7V Battery have videos. This makes it easier for you to see exactly what you are purchasing. Amazon’s 3 7V Battery descriptions are also quite good. In many cases, Amazon repeats the descriptions furnished by the manufacturer. In other cases, they write their own.

(5) The Amazon Site is Easy to Navigate

Navigating the Amazon site is easy. Even though the site is huge, you will not feel overwhelmed when searching for 3 7V Battery. This is partly due to Amazon’s filtering process. You can search for items by brand, price or user rating. You can also search for specific features.

How to Choose the Best 3 7V Battery (with Price and Reviews)

Although most 3 7V Battery are similar, there are several differences worth noting. Here are nine criteria to consider when choosing an 3 7V Battery:

(1) 3 7V Battery Price and Reviews

Although price is not the only factor to consider, it is nevertheless extremely important. The price of an 3 7V Battery should be in line with its value. You can compare 3 7V Battery 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 Battery 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 Battery materials differ from manufacturer to manufacturer. Consider where and how you will be using your 3 7V Battery to determine if one material would be better than another.

(4) Size

Like most products, 3 7V Batterys come in various sizes. Do you need a large 3 7V Batteryor a small one? Think about where you will use your 3 7V Battery 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 Batterys also come in a variety of colors. Do you need a particular color? You should also consider whether the color of your 3 7V Battery would have any effect on the efficiency of its operation.

(6) Durability

The durability of an 3 7V Battery will be contingent on the materials used as well as the quality of the manufacturing process. Additionally, the type of 3 7V Battery you purchase may affect its durability.

(7) Storage

Will you need to store your 3 7V Battery? If so, you should consider the size and weight of the 3 7V Batteryto make sure that it can be stored properly. Also, give some consideration to the type of climate in which your 3 7V Battery will be stored.

(8) Customer Ratings

Customer rating is one of the best criteria for choosing an 3 7V Battery. It is hard to know exactly how an 3 7V Battery will perform until you get it home and try it out.

(9) Warranty

Make sure the 3 7V Battery you are considering is backed by a good manufacturer’s warranty. If it isn’t, you might be better off with another ones.