Tangxi 12V Low Voltage Protection, 12V Battery Under Voltage Cut Off Automatic Switch On Undervoltage Controller

• 【Principle】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.
• 【One Button Operate】Both turn-off and turn-on voltage value can be adjusted by simply pressing buttons.
• 【Protection】This controller will help you to protect battery from over-discharging and prolong battery life.
• 【Restore to Factory Setting】At normal state, press and hold S1 and S2 buttons together, till display shows 888, to restore to factory setting.
• 【Feature】Large heat sink area for better heat dissipation. 4-port design on the back, makes wiring more convenient. The tail edge design, the chance of blocking the graphics card fan is smaller. 4-layer circuit board, with isolation layer in the middle, stronger anti-interference ability.

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 S2 buttons together, till display shows 888, to restore to factory setting. Package Includes: 1 x Battery Under-voltage Controller