MXJO Battery 21700 4000mAh 20A

MXJO Accu 21700 4000mAh 20A

Product description:

Warning:
Please observe the maximum charge and discharge current values.
Do not short-circuit the battery.
Always store your batteries in a box specially made for this purpose, especially when traveling.
If you do not use your battery for a while, make sure its amperage is above 2.5 volts.
Batteries are sold without packaging, put in a plastic bag for protection.