Zamp Solar ZS-8AW 8 Amp Waterproof Solar Charge Controller
The ZS-8AW 8 Amp 5-Stage All-Weather (AW) Solar Charge Controller from Zamp Solar® will protect your 12-Volt AGM, Conventional lead acid (Wet), Gel and Calcium batteries, and handle up to 135 watts of power. The LED light indicators show charging status and battery condition. The device is designed to prevent battery overcharge, improve charge quality and prevent discharge in low or no light conditions.
The ZS-8AW waterproof charge controller can be used on any solar charging system that kicks out under 6.4 amps per hour. It increases battery life up to 2 or 3 times.