ACC-VBAT-12 UPS Back-Up Power Solution for In-Vehicle Computer C-LiFePO4 Battery 12.8V/4.2Ah Features Support 12V/24V Input power Work as an UPS C-LiFePO4 Battery 12.8V/4.2Ah Auto Charge and Battery Protection Wide Voltage Specification General Battery SPEC Function Diagram Backup control board with battery for Vehicle PC (With PHET C-LiFePO4 12.8V 4.2Ah Battery ) Specification power input Power charge for Backup battery Power charge for backup battery current limit Backup battery cut off voltage Backup battery low voltage warning Capacity LED Charging LED Fuse socket 9~32V DC Input Vehicle Main Power Storage Temp. Relative Humidity Safety In-Vehicle Computer DC 11.2V till DC 10.6V 3 Green LED to present the Battery capacity status 1 Yellow LED to present Battery charging status Input protection : Fuse 12V(15A), 24V(7.5A) Backup Battery Ignition on: 1. Only use car main battery power. 2. Charging backup battery. Ignition off: 1. Only use backup battery power. 2. Stop charging backup battery. : V+ (Car Main power +) : V+ (Battery Main power +) : V- (Car Main power-, GND) : Ignition Signal Input Terminal block 4 pin : Positive, Ground, Ignition Terminal block 2 pin : Positive, Ground Terminal block 3 pin : Positive, Ground Mechanical & Environment Dimension ( W x D x H) Weight Operating Temp. I/O Man power in Backup battery Power output System box with bracket : 159mm x 176mm x 82.9mm Battery: 60mm x 120mm x 105mm Battery: 0.96Kg System : -20~65oC Battery : 0~45oC, 45~85%RH (In Std. charging) -20~60oC, 45~85%RH (In Std. discharging) System: -20~80oC Battery: -20~35oC (Within 1 year) -20~40oC (Within 6 month) 0~90% @ 40oC,non-condensing CE, FCC class A Specifications are subject to change without notice.