These 18650 cells came out of laptop and other packs. They are off-brand or unbranded, but tested between 1600 and 1999mAh capacity and above 80% initial capacity. For example, a battery that tested at 1620 mAh was initially rated at 2000mAh.
These are used cells. They were charged to 4.2v, left to sit for at least one week, then discharge tested at 500mA. We may wrap cells in new heat shrink if the original wrapping was significantly damaged. These may still be delivered with adhesive or tape still attached, or damaged heat shrink. Check out or selection of pre-cut heat shrink and adhesive rings to customize your build.
Lithium batteries can only be shipped ground. We ship our lithium batteries in accordance with all US laws. Batteries are not eligible for free shipping.