Power has designs of overcharge, over discharge, short circuit protection, does not need to worry about the time of charging. Intelligent Output. When equipment is fully charged, it will stop charging automatically to prevent from overcharging. Power bank charging module has multiple safe designs. Output voltage and current is stable, never to damage user’s device 4.Operating temperature range is wide (-20- 50),can provide over temperature protection. When charging 0-25% one light is on other lights off; 25%–50%, the second light flashes, the first light is continuously on;50%– 75%, the third light flashes, front two lights are continuously on;75%—100%;the fourth light flashes, front three lights are continuously on. And four lights are on charging to 100%. Dual Port Power Bank Kit Black Port: 5 v /2 A Blue Port: 12 v/3 A Turbo/QC 3.0 Input Battery: 3.7 – 4.2 v Input Charging: 5 v Micro Usb 4 Level Battery Indication Auto Load On/Off Dual Protection Over Charge/Over Drain
