Lithium-Ion battery
Lithium-ion batteries are the go-to choice when you need maximum energy in a compact, lightweight cell. Akkuify stocks Li-Ion cells and packs for flashlights, tools, power banks, e-bikes and custom builds, in the sizes people ask for most: 18650, 21700, 26650, 18350, 14500 and more. Choose protected or unprotected versions depending on your application, and match the discharge current (from a few amps up to high-drain cells) to your device. Cells are supplied by trusted names such as KeepPower, Xtar, Samsung, LG and Efest, and each product page lists capacity, voltage, continuous discharge rating and dimensions. If you are unsure what suits your build, the filters make it easy to sort by size, capacity, current and protection. Fast shipping and a 14-day return window.
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