Effective Battery Protection: Automatically cuts off power when voltage drops below set value, extending battery life.
Adjustable Settings: Easily set both turn-off and turn-on voltage values with a simple button press.
LED Indicator: Visual alert when battery voltage is low for quick status recognition.
User-Friendly Design: Lightweight and compact at 8*4.3*2.8cm for versatile installation.
Broad Compatibility: Ideal for 12V storage and lithium batteries with a control current of 20A.

Features:
This is a under-voltage switch controller used to turn off the power of load in the event of the voltage dropping below a set value.
When the battery voltage increases to a set value, the module will automatically turn on load again.
Designed with a LED indicator to show if battery is under-voltage.
Both turn-off and turn-on voltage value can be adjusted by simply pressing buttons.
This controller will help you to protect battery from over-discharging and prolong battery life.
Specifications:
Suitable Battery: 12V storage/lithium battery
Control Current: 20A
Control Precision: 0.1V
Voltage Error: ±0.1V
Size: 8*4.3*2.8cm/3.1*1.7*1.1in
Weight: 41g(approx.)
Restore to Factory Setting:
At normal state, press and hold S1 and S2buttons together, till display shows 888, to restore to factory setting.
Package Includes:
1 x Battery Under-voltage Controller