Low Voltage Protector For DC 12-36V, 20A Cutoff Switch With Over Discharge Protection, Battery Controller Module For Lead Acid And Lithium Batteries In Off-Grid Solar Panel Lighting Systems

DC 12-36V Low Voltage Protector with 20A Cutoff Switch
✔️ 12-36V input, 20A max, over-discharge protection, memory function

This voltage controller turns the output on and off through a relay and does not change the voltage. It’s designed to protect battery packs in off-grid solar lighting systems, and supports lead-acid and lithium cells. Batteries are not included.

✅ Input voltage: DC 12-36V
✅ Maximum current: 20A before breaker trips
✅ Over discharge protection with adjustable threshold
✅ Memory function with power-off protection
✅ Delay turn-on: 0-999 seconds
✅ Board size: 57 x 42 x 19 mm (2.24 x 1.65 x 0.75 in)
✅ Power consumption: <1.5W
✅ Color: Blue
✅ Relay-based output (no voltage change)

💡 What is a low voltage protector used for in off-grid DC power systems?

This handy device guards battery health by preventing deep discharge and managing loads. - Keeps battery voltage within safe range in off-grid setups - Uses a relay switch to control the circuit without altering voltage - Works with lead-acid and lithium batteries in solar lighting and storage - Includes memory and delay turn-on features for stable power management✝️