Parameters
1.solar panel: 5.5V, 55mA
output: DC5.5V, 400mA
cell: Li-ion
Capacity: 800mAh
Discharger time:about 2-3 hours
Charger time: 6-8 hours (by sunlight)
2-3 hours(by PC USB port)
size: 70x40x10 mm
weight: 35g
cycle-life:> 500
Self-discharge:<0.05mA.
.