Solar Charge Controller 20A Solar Panel Controller 12V/24V PWM Intelligent Regulator with USB 5V 2.5A

20Automatically adapt to the battery voltage 12V/24V, making it possible to easy operation. This product control the battery voltage and turn on the circuit. Also, when the battery voltage rises to a certain level, it will stop the battery charging.Perfect and safe to use in various applications, such as home, industrial, commercial etc. Specifications: Battery voltage: 12V/24V Auto Adapt Material: ABS Item color: blue & black Charge current: 10A, 20A, 30A (optional) Max power: 360W (12V), 720W (24V)? Discharge current: 10A, 20A, 30A Max solar input: ?50V Floating charge voltage: 13.7V (defaul, adjustable) Discharge stop voltage: 10.7V (defaul, adjustable) Discharge reconnect voltage: 12.6V (defaul, adjustable) Charge reconnect: 13V Self-consume: ?10mA USB output: 2 way USB output, 5V 2.5A Operating temperature: -35~+60? Item size: 133 * 70 * 35 mm / 5.24 * 2.76 * 1.38 in Item weight: 134 g / 4.73 ounce Package size: 135 * 80 * 40 mm / 5.31 * 3.15 * 1.57 in Package weight: 165 g / 5.82 ounce Notes: 1. Make sure your battery has enough voltage for the controllers to recognize the battery type before installation. 2. The battery cable should be as short as possible to minimize loss. 3. The regulator is ONLY suitable for lead acid batteries: OPEN, AGM, GEL. (NOT suitable for nickel metal hydride, lithium ions or other batteries) 4. This controller can ONLY use photovoltaic panel as charging source, do NOT use DC or other power supply as charging source. Package list: 1 * Solar Charge Controller 1 * Instruction