![The design principle for HOPPECKE net.power batteries is based on the use of grid plates and a fibreglass fleece as a separator in which the electrolyte is fixed. The design principle for HOPPECKE net.power batteries is based on the use of grid plates and a fibreglass fleece as a separator in which the electrolyte is fixed.](https://www.hoppecke.com/fileadmin/Redakteur/Hoppecke-Main/Products-Import/net.power_group_image_1_home.png)
The design principle for HOPPECKE net.power batteries is based on the use of grid plates and a fibreglass fleece as a separator in which the electrolyte is fixed.
![The HOPPECKE grid | power V L (series OPzS) is a low-maintenance, vented lead-acid 2V cell in conventional technology with liquid electrolyte (dilute sulfuric acid). The HOPPECKE grid | power V L (series OPzS) is a low-maintenance, vented lead-acid 2V cell in conventional technology with liquid electrolyte (dilute sulfuric acid).](https://www.hoppecke.com/fileadmin/Redakteur/Hoppecke-Main/Products-Import/grid_power_vl_group_image_1_home.png)
The HOPPECKE grid | power V L (series OPzS) is a low-maintenance, vented lead-acid 2V cell in conventional technology with liquid electrolyte (dilute sulfuric acid).
![The HOPPECKE grid | power V X (series GroE) is a low-maintenance, vented lead-acid 2V cell in conventional technology with liquid electrolyte (dilute sulfuric acid). The HOPPECKE grid | power V X (series GroE) is a low-maintenance, vented lead-acid 2V cell in conventional technology with liquid electrolyte (dilute sulfuric acid).](https://www.hoppecke.com/fileadmin/Redakteur/Hoppecke-Main/Products-Import/grid_power_vx_aquagene_group_image_1_home.png)
The HOPPECKE grid | power V X (series GroE) is a low-maintenance, vented lead-acid 2V cell in conventional technology with liquid electrolyte (dilute sulfuric acid).
![Solar-Energie von HOPPECKE Batterien, Accumulatorenwerke HOPPECKE Carl Zoellner & Sohn GmbH, Pressemitteilung - PresseBox Solar-Energie von HOPPECKE Batterien, Accumulatorenwerke HOPPECKE Carl Zoellner & Sohn GmbH, Pressemitteilung - PresseBox](https://cdn.pressebox.de/a/3de98cdbe1c92c64/attachments/0054181.attachment/filename/solar.bloc.jpg)