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Help Center7.4v Battery Powered Heating Element Air-conditioning-clothes Battery Pack
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Specifications
1. Real capacity2. One year warranty
3. Not only for heated clothing battery , but also can work as a power bank
Specification
1. Nominal voltage: 7.4V
2. Working voltage range: 6V-8.4V
3. Nominal capacity: 4400mAh
4. Charging voltage: DC 8.4V
5. Charging current: DC 1.0A
6. Standby current: ≤15μA
7. Maximum output power : 20W
8. Working efficiency: ≥99%
9. Charging method: CC/CV
10. Working temperature: -30C~+60C
11. Standard charging time: 5-6 hours
12. Charge & discharge cycles: 500-800 times
13. Protection function: over-charge , over-discharge , over-current, over-voltage , over-temperature and short-circuit protection
14. Over-charging test voltage: 8.4±25mV ; Over-charging relieve voltage: 8.05±50mV ; Over-discharging test voltage:5.5±80mV; Over-discharging relieve voltage: 6.0±100mV ; Over-current test voltage: 0.150±20mA
15. Temperature protection in samrt li-ion battery , when the batteries' temperature at 65-75C , the temperature protection circuit start , the smart li-ion battery close .
Temperature performance
1. Discharge temp. range: -20C-+60C
2. Charge temp. -20C-+40C
3. When temp. is at -20C or +60C , discharge capacity should be not less 70% than standard capacity
Vibration requirement
1. Frequency: 10-50-10HZ
2. Amplitude: 1.5mm
3. Time: 45min ( no load )
Drop test
1. Height: 1.0m
2. Floor: wooden
Operation Instruction
Connecting the battery and the plug which joint to heated piece.
Press "ON" for three seconds to turn on
Press "OFF" for three seconds to display power
Press "UP" for increase temperature ,
Press "DOWN" for reduce temperature
If display 5 , the temperature can reach 75C;
If display 4 , the temperature can reach 65C;
If display 3 , the temperature can reach 55C;
If display 2 , the temperature can reach 45C;
If display 1 , the temperature can reach 40C;
Charger
1. Input: AC 100V-240V , frequency: 50-60Hz
2. Output: DC8.4V 1.0A
3. Charging indication: when charging , the digital tube display 9 and it flickers , when charging complete , if not use it urgently , can keep charging it for longer about 0.5-1.0 hour
Safety Notice
1. Please use the right charger to charge this battery;
2. Please don’t dismounting the battery;
3. If do not need to use this battery for a long time , please make the battery be fully charged and stock proper , and charge it every three month;
4. Don’t let the battery closed to fire , don’t charge, use or stock battery in high temperature or humid condition.
Maintenance and after-sell service
1. Charging battery to 50%-60% power if no need use , storage temperature at 20C±5C , humidity : 45%-85% and under the circumstance that the child cannot get it easily.
2. We offer one year warranty for our products , if there is any defective within our warranty , we will send you its replacement soon free of charge .
Product picture
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