... of a solar cell component parts (including stents), LED lamp, a few parts of the control boxes, ... treatmentSystem voltage: DC12V/24VSuitable power source: 30W ~ 200W LED integrated or discrete light sourceWorking day: 6 ~ 12H ... -acid batteries, life expectancy ≥ 5 yearsControllers: microcomputer intelligent controller, overcharge protection, overdischarge protection, waterproof, and many other features ...