A wide range of high quality controllers for various power applications

SmartGen BAC4812-KP Battery Charger


Technical Parameters:
Battery Voltage  12V
Max. Charging Current  3A
No-Load Power Consumption  <3W
Operating Mode  Two segments
Operating Temp.  (-30~+55)℃
Net Weight(kg)  0.66
Case Dimensions(mm)  143*96*55

Product Overview:
Fit with up-to-date power supply device, float charger BAC4812-KP is specially designed for meet the charging characteristics of the lead-acid engine starter batteries and can be used for long-term float charging of 12V lead-acid batteries. The maximum charging current is 3A.


Switch power supply structure, wide input alternating voltage range, small size, light weight, high efficiency rate;

Automatic two-stage charging process (first constant current, then constant voltage) carried out according to storage battery charging characteristics to prevent overcharging and significantly prolong battery lifetime;

With auxiliary voltage output port. Firm voltage output: -12V.

+12V output has current protective circuit for short-circuit protection and reverse connection protection.

-12V output has short-circuit self-recovery function.

Both charging voltage and current value can be regulated by potentiometer on the spot;

LED display: Power indication (Green light) and charging indication (Red light).

Why SmartGen?

  • More than 200,000 units yearly
  •  19 years of successful business
  • More than 50 offices worldwide
  • Almost 200 technology patents
  • ISO, GM and CCSR certificates
  • High quality and low prices
  •  Wide variety of generator parts


Your E-mail*
Type the letters you see on the picture*