It is a lithium-ion (Li-ion) battery with a nominal voltage of 3.7V.
It is designed as a dependable power solution for devices that use the BL-5C battery format, such as older Nokia phones, radios, and Bluetooth speakers.
The packaging highlights a 13-month warranty and a QR code for authenticity verification.
It features protection against overload, heat, short-circuit, overcharging, and overcurren