Lead-acid valve-controlled and colloidal batteries can be selected for various latitudes
Maintenance-free batteries are selected. Under the condition of no solar charging, the battery can discharge for 100-120 hours continuously. Deep-cycle valve-controlled colloidal batteries are used, charging and discharging times are more than 500 times, normal use is more than 3 years. Solar special batteries are equipped with different capacity (AH) according to different latitudes, regions and users'requirements through CE and UV certification products.
