We’ve spent hundreds of hours researching and comparing 18650 3.7V 2500Mah of all specifications to find the best one for any need (or budget). Here are the results.

The Best 18650 3.7V 2500Mah of 2020 – Top Rated & Reviewed

2,829 Reviews Scanned

Rank No. #1
18650 Flashlight 4PCS Flat Top 3.7V 2500mAh 18650 Battery and Charger,Flashlights High Lumens 5 Modes Zoomable Waterproof LED Flashlights for Camping Hiking
  • - Battery: With 1Pcs 2-Slot Battery Charger, 4Pcs 18650 battery flat top,rechargeable,3.7v 2500mah,5C-12.5A,Li-ion(NOTE: You can use a professional charger to test the capacity of the battery---2500mah±3%/piece. Please remove the clear plastic film wrapped on the battery surface before using or charging,otherwise the battery will not work).
  • - Super Bright Flashlight: 2000Lumens easily light up an entire room or focus in on objects up to 1000 feet away!
  • - 5 Modes Flashlights & Portable Flashlight: High | Medium | Low | Strobe | SOS. Tactical flashlights compact enough to fit in your pocket, backpack, or purse allowing for easy storage and quick access.
  • - Zoomable Flash Light & Waterproof LED Light: zoomable-wide-to-narrow beam zoom. Aluminium alloy-Skid-proof, waterproof, explosion-proof,perfect for use in the rain, snow or emergency situations.
  • - Flash light for camping, hiking, fishing, travelling, running, cycling, dog walking, power outages, general home emergency or gift-giving and other outdoor uses.
SaleRank No. #2
VCFR Batería 3.7V 2500Mah 18650   35A Batería Recargable para 6Pcs-2Pcs Banco De Energía De Linterna-1ps
  • Batería recargable LG HE4 18650 de alto consumo, corriente máxima de hasta 35A.
  • Tasa de descarga estable, sin "efecto memoria".
  • Operación de baja repetición cist, protección contra cortocircuitos y sobrecorriente.
  • El interruptor de seguridad PTC interno se desconecta automáticamente cuando el cortocircuito y la presión interna de la válvula de seguridad pueden prevenir eficazmente la explosión.
  • Ampliamente utilizado en banco de energía, micrófono, cámara, control remoto, mini ventilador, impresora portátil, instrumento, equipo de audio, modelo de avión, etc.
Rank No. #3
4 Pcs 18650 Battery 3.7V 2500mAh 25R High Drain Rechargeable Battery Flat Top Discharge 30A Batteries for Flashlight, Doorbells, Headlamps, RC Cars etc
  • ♻️🔋The 18650 battery itself is high safety performance, high temperature resistance, good performance and overcharge resistance.
  • ♻️🔋18650 3.7V rechargeable battery type has great adaptability, which can be widely used for electronic devices, such as LED flashlights, emergency lights, portable devices, power bank, headlights, toys, remote controls , etc.
  • ♻️🔋Power tools, aircraft models, as well as some high current loads, high cycle performance requirements of electrical appliances.
  • ♻️🔋Light weight,safety and environmental friendly, easy to carry.
  • ♻️🔋They could be charged and discharged multiple time,durable. Provides enduring working time.
Rank No. #4
18650 Flashlight with 6PCS Flat Top 3.7v 18650 2500mAh Rechargeable Battery, 5 Mode Zoomable Waterproof Mini Flashlights 2000 Lumens for Camping Emergency Everyday Portable Flashlight
  • ➤ WHAT YOU GET: 1pcs led flashlight, 6pcs 18650 battery flat top(Please note: remove the clear plastic film wrapped on the battery surface before using or charging, otherwise the battery or the flashlight will not work)
  • ➤ POWERE SOURCE: Flashlight powered by 1*18650 battery, could last working up to 6-8 hours under full charge. the 5*18650 flat top batteries are spares
  • ➤ DURABLE & WATERPROOF : The flashlight is made of aluminum alloy,with IPX5 waterproof, 100,000 hours lifetime
  • ➤ 5 MODE & ADJUSTABLE FOCUS: 5 Useful Setting(High | Medium | Low | Strobe | SOS) and wide-to-narrow beam zoom
  • ➤ Swanlake High-Performance Battery: Long-lasting 6-8 hours, 18650 Real 2500mAh, 44 grams| Low discharge rate | Flat Top | no memory effect |12.5A|High Drain| High energy density & Pollution-free
Rank No. #5
Guerast 2 Pcs 18650 Battery 3.7V 2500mAh 25R High Drain Rechargeable Battery Flat Top Discharge 30A Batteries for LED Flashlight Torch,Headlamp,Electronic Devices not AA AAA
  • The 18650 battery itself is high safety performance, high temperature resistance, good performance and overcharge resistance.
  • Suitable for mobile power, flashlights.
  • Power tools, aircraft models, as well as some high current loads, high cycle performance requirements of electrical appliances.
  • Light weight,safety and environmental friendly, easy to carry.
  • They could be charged and discharged multiple time,durable. Provides enduring working time.
Rank No. #6
18650 3.7v 2500mah Botón de la Batería Superior 18650 Batería Recargable 3.7 Ion de Litio Pila Recargable 18650 Alto Rendimiento 1500 Ciclos de Carga para Linterna 18650,18x65mm (10 Pcs)
  • ♻️🔋 【Wide application】: 18650 3.7V rechargeable battery type has great adaptability, which can be widely used for electronic devices, such as LED flashlights, emergency lights, portable devices, power bank, headlights, toys, remote controls , etc.
  • ♻️🔋 【Long-lasting and rechargeable】: This product is made of durable materials and the quality is very good. Small size and light weight, high capacity, very portable. It can provide you with the necessary charging power source or better help you in emergencies such as travel, emergencies, outdoor adventures, camping or other dangerous situations.
  • ♻️🔋 【Multiple protections】: The product provides 6 protections, such as temperature protection, short circuit protection, overcharge protection, and overcurrent protection to stabilize the battery. High performance and high reliability, durable replacement for the old or damaged one. Store in a cool, dry place.
  • ♻️🔋 【Safe and environmentally friendly】: Safe and environmentally friendly, no harm to the environment. The anti-corrosion shell can effectively protect the battery and extend its service life. Preventing waste of non-rechargeable battery. No memory effect, the large battery capacity, allows you to worry no more about your device without power.
  • ♻️🔋 【After-sales service】: 18650 rechargeable batteries have passed rigorous testing to ensure normal use, please rest assured to buy. It is reliable in quality and durable. If you have any problems, please contact us at any time and we will offer you a solution as soon as possible.
Rank No. #7
MNJKH 3pcs/Lot 3.7v 18650 2500mah 1s1p Li-Ion Battery, with PCB Wires and Jst Ph2.0 Connector
  • Long life, large capacity and good shock resistance,Low self-discharge and good discharge performance at low temperature
  • Strong charging acceptance and quick-charging capability
  • Strong over-discharge resistance and charge retention
  • Maintenance-free and no acid or water for maintenance in usage
  • Excellent large current discharge performance, and have obvious advantages in startup and climbing High temperature performance Environmental friendly,Lighter weight smaller size
Rank No. #8
Waklyte Tactical Flashlight and 18650 Battery - 2 Pack 1000 Lumen, 5 Modes, Zoomable LED Flashlight with 8PCS 3.7V 2500mAh Rechargeable 18650 Battery and 18650 Charger
  • 5 Light Modes: Press the tail switch to turn it on/off. When turned on, half-press the tail switch to switch the light mode. The sequence is high, medium, low, strobe, SOS.
  • Tough and Reliable: IPX4 waterproof and 1.5 meter impact resistance tested. Suitable for use in rain, snow and a variety of harsh environments and small enough to fit easily into your pocket wherever you go.
  • Waklyte Batteries: The product is equipped with 8pcs 3.7V 2500mAH rechargeable 18650 batteries, which can be used widely in your daily life. The battery has a preset charge of 30%, you can fully charge it before using it, or recharge it after use.
  • Waklyte Charger: The charger with Red/Green led light display. The charger will charge the battery when plug in, and the indicator light display in red,then turn into green after fully charged. Additional, we also provide you with 1 Micro USB cable. The charger is suitable for 3.7V Li-ion 18650/10440/14500/16340/26650.
  • Warranty and Refund: If anything at all goes wrong with your flashlight, feel free to contact us Via Amazon email with Amazon order ID. 12 months warranty and 30 days money back guarantee. Please rest assured to buy, no worries at all.
Rank No. #9
18650 Led Flashlights Tactics Ultra-Bright High Lumen Small Flash Light,Contains 4 Pack 2500 MAH of Flat-top Lithium Ion 3.7v Rechargeable Battery and 4-Slot Charger,Suitable for Outdoor Campin
  • PACKAGE CONTAINS ITEMS▶▶ LED flashlight*1 +18650 rechargeable battery* 4+ 4 slots smart charger * 1
  • FLASHLIGHT SET▶▶ Contains Smart charger and 4 flat-top rechargeable batteries 18650 2500MAH, high safety performance, high temperature resistance, good performance, overcharge resistance, can be charged and discharged multiple times, high capacity, and provide long-lasting working time
  • 4-SLOT SMART CHARGER▶▶ battery charger for ✔10400/14500/14650/16340(RCR123)/18350/18500/18490/18650/20700/21700/22650/26650/26700/A/AA/AAA rechargeable battery
  • 18650 FLASHLIGHT FUNCTION▶▶ 5 kinds of light modes are adjustable, waterproof, tactically self-defense, self-rescue, zoom
  • SUITABLE FOR SCENES▶▶2000 lumens flashlight, can be used in any environment, home power outage emergency backup, car maintenance kit backup, outdoor dog walking, walking, fishing, camping, hiking or rainy weather, this waterproof tactical flashlight can be used Normal use
Rank No. #10
10440 3.7V Rechargeable Battery Li ion 350mAh Button Top- 2 Count(0.39Inch x 1.71Inch)
  • Pay attention- There are NOT normal AAA battery (size: 0.39Inch*1.77Inch), Our size: 0.39Inch*1.71Inch
  • 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.

Last update on 2021-09-06 / Affiliate links / Product Titles, Images and Descriptions from Amazon Product Advertising API

Top Rated 18650 3.7V 2500Mah to Buy Now

 

Why You Should Buy Best 18650 3.7V 2500Mah from Amazon

Amazon is not the only store that sell 18650 3.7V 2500Mah. However, there are several compelling reasons why you should buy 18650 3.7V 2500Mah from them, with the suitable Price and Reviews. Here are five:

(1) Amazon Makes Shopping 18650 3.7V 2500Mah Personal

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Before you make a purchase for 18650 3.7V 2500Mah, 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 18650 3.7V 2500Mah Images and Descriptions

In addition to still images, many of Amazon’s 18650 3.7V 2500Mah have videos. This makes it easier for you to see exactly what you are purchasing. Amazon’s 18650 3.7V 2500Mah 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 18650 3.7V 2500Mah. 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 18650 3.7V 2500Mah (with Price and Reviews)

Although most 18650 3.7V 2500Mah are similar, there are several differences worth noting. Here are nine criteria to consider when choosing an 18650 3.7V 2500Mah:

(1) 18650 3.7V 2500Mah Price and Reviews

Although price is not the only factor to consider, it is nevertheless extremely important. The price of an 18650 3.7V 2500Mah should be in line with its value. You can compare 18650 3.7V 2500Mah reviews to make sure you are getting a fair price. This is easy to do on Amazon.

(2) Demand

The demand for a particular 18650 3.7V 2500Mah 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

18650 3.7V 2500Mah materials differ from manufacturer to manufacturer. Consider where and how you will be using your 18650 3.7V 2500Mah to determine if one material would be better than another.

(4) Size

Like most products, 18650 3.7V 2500Mahs come in various sizes. Do you need a large 18650 3.7V 2500Mahor a small one? Think about where you will use your 18650 3.7V 2500Mah 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

18650 3.7V 2500Mahs also come in a variety of colors. Do you need a particular color? You should also consider whether the color of your 18650 3.7V 2500Mah would have any effect on the efficiency of its operation.

(6) Durability

The durability of an 18650 3.7V 2500Mah will be contingent on the materials used as well as the quality of the manufacturing process. Additionally, the type of 18650 3.7V 2500Mah you purchase may affect its durability.

(7) Storage

Will you need to store your 18650 3.7V 2500Mah? If so, you should consider the size and weight of the 18650 3.7V 2500Mahto make sure that it can be stored properly. Also, give some consideration to the type of climate in which your 18650 3.7V 2500Mah will be stored.

(8) Customer Ratings

Customer rating is one of the best criteria for choosing an 18650 3.7V 2500Mah. It is hard to know exactly how an 18650 3.7V 2500Mah will perform until you get it home and try it out.

(9) Warranty

Make sure the 18650 3.7V 2500Mah you are considering is backed by a good manufacturer’s warranty. If it isn’t, you might be better off with another ones.