Magicshine MJ-6118 is a USB-C charging & discharging battery pack. With PD protocol available.
Weight: 14.49 oz
Dimensions: 6.49 × 1.96 × 1.29 in
Battery Capacity: 4*21700 , 7.2V 10Ah
It can be suitable for MONTEER 8000S/6500S/MJ series

Cable sold seperately

Warranty:

Battery 6 months from purchase