9V/18V MPPT Solar Charging Controller Board - Lithium Battery Charger Module for 3.7V 7.4V Batteries - Ideal for Solar Panels, DIY Projects & Off-Grid Power Systems

Feature: 1. 1A 3.2-18.5V multi-function battery charger with photovoltaic cell MPPT function. 2. Complete charging controller for single or multiple Li-ion, LiFePO4 or lithium titanate batteries. 3. The maximum load current / output current is 1A, but you can change the current by changing the value of the Rcs resistor. 4. Can be used as voltage source when battery is absent. 5. Automatic conditioning of deeply discharged batteries. 6. Automatic recharge, battery overvoltage protection. Specification: Item Type: Solar Panel MPPT Controller Charging Module Option: 9V, 18V 9V (for 9V Solar Panel): Input DC 9-28V, Output DC 1.2-8V Adjustable (3.6V 4.2V 4.3V 4.35V 7.2V) 18V (for 18V Solar Panel): Input DC 18-28V, Output DC 1.2-17V Adjustable (3.6V 4.2V 4.3V 4.35V 8.4V 12.6V 16.8V) MPPT Disable (Change R5 to 12KΩ, it is recommended to buy DD28CRTA): Input DC 7-28V, Output DC 1.2-21V Adjustable(3.6V 4.2V 4.3V 4.35V 8.4V 12.6V 16.8V 21V) LED indicator: ''CR'' LED is status indicator Operating Ambient Temperature: -40℃ to ＋85℃ Package List: 1 x Solar Panel MPPT Controller Charging Module

MPPT Solar Charging Module 1A 3.2-18.5V multi-function battery charger with photovoltaic cell MPPT function

Ideal Battery Charging Module Complete charging controller for single or multiple Li-ion, LiFePO4 or lithium titanate batteries

Adjustable Current The maximum load current / output current is 1A, but you can change the current by changing the value of the Rcs resistor

Applies for Voltage Source Can be used as voltage source when battery is absent

Auto Adjustable Automatic conditioning of deeply discharged batteries