HA02 48V Battery Equalizer



HA02 battery equalizer is for balancing 4*2-12V battery bank. Compatible with lead acid battery, lifepo4 battery, NiMH Battery, etc. It start work when there is 10mv voltage difference between batteries. 

  • Model: HA02
  • Battery: 4 x 2-12V battery 
  • Size: 124 * 62*27mm
  • IP67 Waterproof
  • Weight: 0.4kg
  • CE RoHS Certification



Main Features: 

  • For 4*2-12V Batteries
  • Battery protector,extend battery lifetime
  • Active energy transfer equalizer
  • Compatible with all batteries, No battery type limited
  • Fast balance speed and low consumption
  • No need of external power supply
  • Free maintenance;
  • Reverse polarity protection, safe and reliable. 
  • IP67, waterproof and moisture-proof;
  • Small size, easy installation.
  • CE, RoHS certification
  • Customization service

Working Principle


Technical Specification:

Model HA02
Battery Normal Voltage 4*2-12V
Battery cell voltage range 2V-18V
Balance current 0-10A(based on voltage difference)
Balance status keep on working in charging/discharging/free status when there is 10mv voltage difference
Dimensions 124*62*27 mm
Weight 0.35kg
Protection Reverse polarity protection
Low Voltage Disconnect 1.8V
Certification CE, RoHS
customization service   Yes




Connect it as the following order:

  1. Red cable connect positive/+ pole. Black cable connect negative/- pole
  2. Connect the batteries as the pictures   You can connect all + pole firstly,and then - pole to avoid short circuits.

Please Note:

  1. If there are extra cables, please leave the tubes of the terminals on it to avoid short circuits.        
  2. Please avoid any of the 8 terminals touching each other.



  • 1x battery equalizer
  • 1x user manual


Shenzhen Huaxiao Technology Co., Ltd is the professional manufacture of equalizer with 12 years experience. All delivered products have passed the company's stringent professional performance testing, which can meet the needs of the customer market. Please contact us for more detailed information.