The adjustable joint ball make it possible to adjust the angle of solar panel to get as much as sunshine, increase 2%-3%more power. Made of high effciciency, 30% more than competitor, works great in sunlight. IP 65 waterproof design, withstand rain and snow, no worry to mount it outside, totally free maintenance. ? ? ? Stage of Charge ? no data no data no data ? ? Waterproof Grade IP65 IP65 IP65 IP65 IP65 IP65 Battery Type-1 Wet, Gel, Flooded, Sealed Wet, Gel, Flooded, Sealed Wet, Gel, Flooded, Sealed Wet, Gel, Flooded, Sealed Wet, Gel, Flooded, Sealed Wet, Gel, Flooded, Sealed Battery Type-2 AGM, Lithium LiFePO4 Battery AGM, Lithium LiFePO4 Battery AGM, Lithium LiFePO4 Battery AGM, Lithium LiFePO4 Battery AGM, Lithium LiFePO4 Battery AGM, Lithium LiFePO4 Battery Dimensions 24.0'X13.8'X0.7' 24.0'X13.8'X0.7' 24.0'X13.8'X0.7' 24.0'X13.8'X0.7' 15.3'X18.1'X0.7' 24.0'X13.8'X0.7'. Adjustable Anagle. High Efficiency Solar Cell. IP 65 Waterproof.
