Kxd 7.4V 2200mAh Heated Li Ion Battery for Gloves

7.4V 2200mAh Heated Li Ion Battery for Gloves 
Operation:

(1) Capacity indication

Without load, press & hold the black button to check capacity level:
1 LED: Remaining Capacity <=40%
2 LEDs: Remaining Capacity <=60%
3 LEDs: Remaining Capacity <=80%
4 LEDs: Remaining Capacity <=100%

(2) Output level control

With load, press & hold the black button for 2 seconds to power on:
1.The 1 LED light in blue color means the output power is about 100% output power
2. Press the black button again, the 2 LED light in blue color means the output power is about 75% of full output power
3. Press the black button again, the 3 LED light in blue color means the output power is about 50% of full output power
4. Press the black button again, the  LED 4 light in blue color means the output power is about 25% of full output power
5. Press & hold the black button for 2 seconds, the LED is off, and the power output also is off.
 

Package:

Each battery in anti-static bag & white box, then 40pcs/CTN or 80pcs/CTN.