GBTIGER K3 36000mAh Type-C USB Universal External Laptop Battery for MacBook

LED Indicator

- Specially tailored for MacBook
- 36000mAh capacity, support a laptop and two small mobile devices charging at the same time
- Four LED indicators show the remaining power
- Automatic sleep mode, if there is no connection it will power off in 60s
- USB Type-C adapter can charge the phone also supports Type-C charger for mobile power charging directly
- Protection for overcharge, overvoltage, overcurrent and short circuit
- Aluminum alloy shell, durable to use

Parameters:
Input: 12.6V/2.5A
Output: 
Type-C 5V 9V 12V/3A;
USB 5V/2.1A;
DC 1 14.8V/3.1A; DC 2 16.8V/3.5A
Charging time: 5 - 8h
Life cycle: More than 1000 times

More details and buying link here  (use coupon code: "GB16SALE" )