Best 18650 Battery for Flashlights 2020

The benefits of using the 18650 batteries are obvious but buying ones that are suitable for your needs might not be. This kind of battery has not been made uniform by the battery industry and there is, therefore, some confusion and inconsistency in which ones you should buy.

To ensure you are getting a useful product that will work with your devices, consider the following guide. We have collected all of the most important information, most popular products, and reviews from the experts that have tested the batteries. All of this will lead you to buy the best 18650 battery for flashlight use.

Before You Shop…

  • Price. The 18650 batteries are more expensive initially than disposable batteries but this cost is lessened over time as you are able to recharge and reuse the batteries again and again. You can have batteries that last for years when they are properly charged and used, something that is particularly useful for any kind of flashlight.
  • Rechargeable. All the batteries on our list are rechargeable as is the nature of this lithium-ion battery type.

This means that you will definitely save money by choosing this kind of battery but it might require more time depending on the exact battery time that you choose. Consider the time it takes to recharge as well as the capacity to determine if the battery is a good option for you.

  • Quality. The 18650 lithium-ion batteries are only good for flashlights if they are made of high-quality materials that you can rely on. In most cases, this means considering the brands of the batteries to determine which have the best reputation.

The only real way to get an unbiased opinion on this is to read the expert reviews below. This gives you a first-hand account of how well the batteries perform rather than trusting the slanted information provided by the sellers.

Top Ten 18650 Batteries for Flashlights List

PictureNameCapacityPriceRating (1-5)
Rating (1-5)
1. EBL 18650 Battery 3.7V 3000mAh Performance Li-ion Rechargeable Batteries 3000mAh$$$4.3
2. Samsung INR18650-25R 18650 2500mAh 3.7v Rechargeable Flat Top Batteries 2500mAh$$$$4.2
3. LG HE2 18650 2500mAh 35A 3.7v Rechargeable Flat Top Batteries 2500mAh$$$$4.2
4. Canserin Clearance!4PCS Rechargeable 18650 Battery& Dual Smart Charger,Canserin 5800mAh Li-ion 3.7V 5800mAh$4.1
5. Anglin 4X 5800mAh Li-ion 18650 3.7V Rechargeable Battery + 2X Smart Charger 5800mAh$$4.1
6. LiCB 2Packs 6800mAh 18650 Battery Rechargeable Li-ion With Lithium Battery Holder 6800mAh$$4.1
7. MXJO 18650 2500mAh 35A High Drain Battery, Pack of 2 2500mAh$$4.0
8. Intsun® 4pcs 3.7V 18650 4000mah Rechargeable Li-ion Battery with PCB and 18650 battery Charger 4000mAh$$$4.0
9. Panasonic NCR18650B Super Max 3.7V 3400mAh Rechargeable Li-ion Battery-Green 3400mAh$$3.9
10. SmartLive 4 pcs 3.7V 18650 5000mah Rechargeable Lithium Battery with 18650 battery Charger 5000mAh$$3.8

How to Choose 18650 Batteries for Flashlights

The capacity of the best 18650 battery should be high enough to match your needs. The capacity refers to how much energy output you get over a set amount of time. This means that the higher the capacity, the longer the battery will last before it needs to be recharged. This is one of the ways that you determine the size of the battery and its compatibility with your flashlight. Your flashlight will, however, need to be specifically made to accept these batteries in order for them to work.

NOTE: The capacity needs to be compatible with the flashlight.

The capacity is one of the main reasons this battery is perfect for most household and office items. It is durable and performs better than the more common AA or AAA batteries. To ensure the capacity is true to the packaging and to get the best 18650 battery for flashlight use, consider the reviews from the experts that have tried and tested the batteries.

Top 3 Best 18650 Battery for Flashlight Reviews

1. EBL Performance Li-ion Rechargeable Batteries

EBL Performance Li-ion batteries have been specifically made to be convenient and to save you money over time. This is totally apparent from the very first time you use them. They are particularly good to use for kids’ toys, flashlights, and cameras as they can be used again and again.

These batteries are durable and work well without losing any memory. This means that you can charge them up to 1200 times when fully or partially drained and there will be no negative effects on the battery. This high number of possible charges means that the batteries could last for years when they are charged properly.

The batteries themselves come pre-charged so they are ready to use right out of the package. The only thing to note with these batteries is that they are not suitable for e-cigarettes if that was going to be a possibility.

2. Samsung 3.7v Rechargeable Flat Top Batteries

Having a reliable pair of batteries in your flashlight or remote control starts with having the best product. This means you should always have the Samsung INR18650-25R batteries in your arsenal. There is nothing better for emergency devices than these are.

This high-drain battery lasts for a long time, even when it is not in use. This is one of the main reasons it is the best 18650 battery for flashlight use. If the battery drains fully then it will take 4-5 hours of charging but this will give you hours of light in a flashlight.

It should also be noted that the batteries will wear equally in the flashlight. This is not always the case with rechargeable batteries but makes it easy to know when both are drained. This really makes a difference in optimizing the charge of the batteries.

3. LG  3.7v Rechargeable Flat Top Batteries

The LG 18650 High Drain Li-ion battery is perfect for using in-home tools and equipment that you use often as well as those that are just left for weeks without being used. They are ideal for flashlights, in particular, as a result.

When other models and lesser batteries last for only a few hours of use, these ones will last all day depending on how they are being used. This kind of possibility and the fact that they can be recharged will definitely save money and time.

There are more expensive and cheaper battery options out there for flashlights but these are reliable and will deliver power to your device without issue. This is perfect for use in a flashlight considering you don’t ever want your flashlight to fail in an emergency.

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