Product parameter
Model: Rolux DYNASTY I 50Wh V Mount Battery
Rated Voltage: 14.4V
Capacity: 50Wh,3450mAh
Output power: 220W (Max) 
BP interface Output power: 14.4V 15A
D-TAP Output: 14.4V,5A
USB-A Output: 5V 2.1A(MAX.)
USB-C Output: Support PD2.0 and PD3.0/45W(Max.)
DC1 Output: 12V 2A(Max.)
DC2 Output: 8.4V 2A(Max.)
Battery size: 107x75x39mm
Battery weight: 350g
Work temp: -10°C~60°C
Type of cells: Samsung 35E 18650 Lithium-ion