JJN 10BB Solar Panel 12V/24V 400 Watt Monocrystalline High Efficiency Solar Panels. JJN 9BB Solar Panel 12V 100 Watt Monocrystalline Solar Panels. JJN 2 pcs 100 watt Solar Panel 9BB Solar Panels 12V. JJN 400 watt solar panels adopt the 10BB solar panel cell design and are made of excellent Grade A cells.