The 5 Best small Size Lithium ion Batteries (2023 reviews)

It is important to have the well suited small size lithium ion battery. In the following post, we will help you to select the best small size lithium ion batterys.

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Our Top Picks:

Best overall: Buy: EBL small Size Lithium ion Battery READ REVIEW

Best Runner up: Buy: Pkcell small Size Lithium ion Battery READ REVIEW

Best little Battery: Buy: Adafruit small Size Lithium ion Battery READ REVIEW

Best Replacement Battery: Buy: Vidar small Size Lithium ion Battery READ REVIEW

Best For Solar Light: Buy: IMREN small Size Lithium ion Battery READ REVIEW

Best overall: EBL small Size Lithium ion Battery

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The advantage of lithium ion batteries is low self-discharge and no typical memory effect, so don’t need to worry about reduction of the battery life after constantly charging and discharging. The standard 18650 battery is 18mm around by 65mm long. It is designed for protected cells, and in a flashlight that has an accommodating spring. It is easy to charge with an indicator light built into the battery when fully charged.

BLS does make rechargeable Li-Ion batteries with the micro usb port, for AA and AAA. It can be directly recharged by plug in a USB port like laptops, power bank, wall adapter, etc. It is perfect for the devices that need high battery performance. The built-in micro usb port is so convenient, and with 2 batteries you can continue to use the device while 2nd battery charges.

• Excellent rechargeable for high intensity flashlight
• Built-in usb port eliminates the need for an extra charger
• More efficient holds recharge and stays cooler when in use

Best Runner up: Pkcell small Size Lithium ion Battery

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We are personally inclined towards pkcell small size lithium ion battery, it is not so pricy, but it overachieves its purpose and outstanding in important aspects. Lithium-ion battery does not contain cadmium, lead, mercury and other heavy metal elements, no pollution to the environment or green battery. It is used for an LED flashlight that works on 1.5 (ordinary aaa) and 3.7v rechargeable aaa. It will very quickly destroy anything that cannot handle their voltage (lots of led bulbs, laser drivers, some motors), but will absolutely gigacharge whatever can handle it.

These batteries work exceptionally well, especially since they are not a big name brand like LG or Samsung. They all do test just below the 350mAh no matter what the discharge load is. It's a good replacement than one-time use battery, which can reduce the pollution and save your money. They charge quick, hold a charge well, and take the recharge without problem.

• Maximum voltage at full charge is 4.2 volts
• Fast charging and hold the charge for a long time
• Exceptionally good li-ion 10440 ("aaa") batteries

Best little Battery: Adafruit small Size Lithium ion Battery

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The Adafruit lipo battery is designed to be used with a different esp32 board which has a battery controller. It fits properly into a shrouded connector on the board, which is not always the case with knockoffs. This battery has a JST-PH 2P (two-pin) connector with a pin-to-pin pitch of 2.00 mm. The remote itself draws some power from the battery, even in its " off " state. They hold the charge for a lot longer.

This board does not have a battery charge controller. It is used for a non apple application. It is perfect little battery for a homemade smart (smart is a relative term here) watch.

• Perfect and fits other adafruit connections
• Good investment for long term

Best Replacement Battery: Vidar small Size Lithium ion Battery

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The 7.4V 2600mah(+15 %) rechargeable li-ion battery strictly controls the consistency of voltage, internal resistance(20m ) and capacity to ensure the super stability and durability of the product, longer discharge time and more cycles. It allows you to enjoy longer use time, experience longer working time, and make your money more valuable.

The polymer lithium battery required by the uav battery is a power battery. It can maintain more than 70% capacity. It is suitable for 7.4v8.4v equipment. It is great as a substitute for a dead battery. It is compatible with a variety of products, such as electronic products, diy toys, lighting equipment, audio equipment and other electronic products.

• Overcharge / discharge protection, overheating protection
• Need your battery size and current requirements, plugs, etc
• Just provide voltage, capacity, and battery size

Best For Solar Light: IMREN small Size Lithium ion Battery

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate battery. The imren small size lithium ion battery is exactly that - it's a simple battery that hits all the right notes. The advantage of lithium ion battery is low self-discharge and no typical memory effect, so don’t need to worry about reduction of the battery life after constantly charging and discharging.

• Good brand reputation
• One of the new comers and featured product