PWM 20a solar battery charging controller

Solar Battery Charging Controller PWM 20AT This charging regulator, after connecting photovoltaic panels, ensures proper charging of 12V and 24V batteries.

Used in photovoltaic installations in summer houses, campers, caravans, boats, etc.

With LCD display and 2 USB inputs.

Automatically recognizes 12V and 24V batteries

It has a programmable twilight sensor function.

Programmable functions:

Switching on and off power receivers.

Twilight switch: turning on receivers for a specific time after dark.

Parameters:

Max charging current from panels: 20A

Discharge current: 10A, via lighting output.

USB output: 5V, max 2A. e.g. for charging a phone.

Max voltage of connected photovoltaic panels: 50V.

DC operating voltages: 12V or 24V

Discharge protection: 11.1V or 22.2V

Overcharge protection: 14.4V or 28, 8V

Load restoration points: 12.5V or 25V

Operating mode: PWM with temperature compensation and periodic battery desulfation function.

12V battery use 18V-22V solar panels

24V battery use 36-44V solar panels

Maximum panel power: 12V= 260W, 24V= 520W

Protections:

Against short circuit

Open circuit

Over current

Against overcharging

Against excessive discharge

Reverse polarity