Q1: How do I turn the battery on or off?
Press the power button continuously three times within two seconds to toggle the power status.
Q2: What do the different LED indicators mean?
Green LED indicates full power (3.85V-4.2V), Blue LED indicates low power (3.5V-3.8V), and Red LED indicates it is in recharge status.
Q3: What is the battery capacity and working voltage?
The battery has a 400mAh capacity with a normal working voltage range of 3.2V to 4.2V.
Q4: How do I know when the battery needs recharging?
The LED will flash 10 times to indicate that the voltage is low and recharging is required.
Q5: Does this battery have built-in protection features?
Yes, it includes low voltage protection (cannot work if less than 3.2V) and short-circuit protection (LED flashes 3 times).
Q6: What charging method is used?
It uses a Micro USB charging port. During charging, the red LED stays lit, and it turns green once the voltage exceeds 4.15V.