4-Pack USB Rechargeable AAA Lithium 1.5V 750mWh Batteries +Type-C Charging Cable

Nominal capacity Ah: 750mwh. Reuse the batteries repeatedly. Be eco-friendlier and more cost-effective. Type C USB CHARGING: Directly plug a Type C USB into the input for quick and easy charging. Long lifecycle will allow over a 1200 uses.

eBay