Features:
Brand new and premium quality
The 5W fuel cell battery system includes 5W stack, exhaust valve, fan and control board
Specifications:
Color: black
Weight: 88.3 g
Dimension: 59 * 53 * 35 mm
Output: 4.2V 0.9A
Packing includes:
1 x 5W stack (PC)
1 x Exhaust valve (PC)
1 x Fan (PC)
1 x Control board (PC)