The OPzV sun | power VR L batteries are sealed stationary batteries with fixed electrolyte in gel.
The construction as sealed batteries makes HOPPECKE OPzV sun | power VR L batteries maintenance free relating to re-filling of water.
The design as DIN-product in accordance to DIN 40742 gives highest compatibility by changing existing battery systems or integration in case of enlargement of already existing batteries.
HOPPECKE single cells of the OPzV sun | power VR L type series have a cycling expectancy of up to 1600 cycles with 80% depth of discharge.