Safety Features: The 3.8v rechargeable Lipo battery is built with high-quality materials and features built-in protection against overcharging, short circuits, this ensures the battery operates optimally and eliminate the risk of any potential hazards. Because the 3.8v battery pack built-inthere is a lithium battery protection module, even if the red black and white wires on the battery are short -circuited, there will be no danger.
SOLDER The WIRES:the battery wires need to solder, Weld it to the PCB board in the order of the original battery wires. -- The RED wire is solder to the positive pole "+", the BLACK wire is solder to the battery's negative pole"-", and the WHITE wire is the NTC.