Components Technical parameters remark
solar panel silicon Monocrystalline silicon/Polysilicon life 20-25years
power 30W
work voltage, work current 18V, 1.6A
Open circuit voltage, Short circuit current 22.2V, 1.8A
dimension 650mm*420mm*18mm

Rated capacity Maintenance-free lead-acid deep cycle17AH*2 life 3-5years
Rated voltage 12V
Internal Resistance (fully charged state) ≈18.35mΩ
dimension 180mm*77mm*167mm(Total height (include terminals)
weight 5.15Kg*2
battery cycle requirement At 25 °C, the maximum charge current is 4.25A, charging voltage is set at 14.1V-14.4V, the voltage coefficient of temperature compensation is -30mV / °C. When the charge current down to 0.102A and then maintain the charge status of the following 3 hours, the battery is fully charged.
note Stocked battery recommended every three months (a maximum of six months), in accordance with recycled charging parameters for charging the battery, otherwise it will affect battery capacity and life.
barand YOUGUO