... , Maintenance-free lead-acid batteries battery 4V/3200mah Portable solar camping lights Uses: Home lighting, outdoor camping, yurts, tents, drive the lane and ... Material ABS plastic shell, PC plastic transparent cover Height 20.5cm Weight 860g Colors red, blue, camouflage, wood grain Packing ... may be some heat when the charger, it is normal. solar camping lamp/portable solar lamp