product parameter
Model: Rolux Grand III 250Wh Gold Mount Battery
Rated Voltage:14.4V
Capacity:250Wh,17250mAh
Output power: 220W (Max) 
BP interface Output power: 14.4V 15A
D-TAP Output:14.4V 15A
USB-A Output:5V 3A(MAX.)
USB-C Output:Support PD2.0 and PD3.0/100W(Max.)
USB-C Iutput:Support PD2.0 and PD3.0/65W(Max.)
DC1 Output:12V 3A(Max.)
DC2 Output:8.4V 3A(Max.) 
Battery size: 127.3X82X101.9mm
Battery weight: 1290g
Work temp: -10°C~60°C 
Type of cells: Samsung 35E 18650 Lithium-ion