Our UN38.3 Certified Eternal Lithium Jump Starter is a must have in your boat, truck or motorcycle. Also great to use camping to charge phones and other accessories using the usb ports.
 
Dimensions: 168mm×90mm×37mm (L×W×H)
Recomended storage temp: -20~35°C(20%RH-75%RH)
Dual USB ports: 5V-2.1A & 5V-2.1A,9V-2A
Type-C input: 5V/9V-2Amax
 
Charging display: A When the power is 0~25%, LED1 flashes, LED2, LED3, LED4 goes off; When the B power is 25%~50%, LED2 flashes, LED1 is long, LED3, LED4 is off; When the C power is 50%~75%, LED3 flashes, LED1, LED2 are long, and LED4 is off; When the D power is 75%~100%, LED4 flashes, LED1, LED2, LED3 is long; After the E power reaches 100%, LED1, LED2, LED3, LED4 are long on, and charging stops
 
Discharging: A When the power is 100%, LED1, LED2, LED3, LED4 are long; When the B power is 75%, LED1, LED2, LED3 are long on, and LED4 is off; When the C power is 50%, LED1, LED2 is long, LED3, LED4 is off; When the D power is 25%, LED1 is long on, LED2, LED3, LED4 is off; LED1 flashes when E power is below 10%, and all indicators turn off when the charge is zero.