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BAC4812
BATTERY CHARGER
USER MANUAL
SMARTGEN (ZHENGZHOU) TECHNOLOGY CO., LTD.

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Summary of Contents for Smartgen BAC4812

  • Page 1 BAC4812 BATTERY CHARGER USER MANUAL SMARTGEN (ZHENGZHOU) TECHNOLOGY CO., LTD.
  • Page 2 Smartgen Technology at the address above. Any reference to trademarked product names used within this publication is owned by their respective companies. Smartgen Technology reserves the right to change the contents of this document without prior notice. Software Version Date...
  • Page 3: Table Of Contents

    BAC4812 Battery Charger User Manual CONTENT 1. OVERVIEW..........................4 2. PERFORMANCE AND CHARACTERISTICS.................4 3. CHARGING PRINCIPLE......................5 4. PARAMETERS CONFIGURATION..................6 5. SETTING............................7 5.1. VOLTAGE REGULATION.....................7 5.2. CURRENT REGULATION....................7 6. OPERATION..........................7 7. CASE DIMENSIONS........................8 BAC4812 Battery Charger Version 1.0...
  • Page 4: Overview

    BAC4812 Battery Charger User Manual 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.
  • Page 5: Charging Principle

    BAC4812 Battery Charger User Manual CHARGING PRINCIPLE Two-Stage Method Charging is performed according to the battery charging characteristics using two-stage method. Charging type is ‘constant current type’ which means that when the battery terminal voltage falls below the pre-set value, charging current will be constant; when the battery terminal voltage exceeds the pre-set value, charging current will decrease with the rising of terminal voltage until the pre-set current value is reached;...
  • Page 6: Parameters Configuration

    BAC4812 Battery Charger User Manual PARAMETERS CONFIGURATION Items Contents Parameters Nominal DC Voltage DC48V Input Max. DC Voltage DC (36~72)V Characteristics Max. Current No-load power consumption <3W Main Output No-load Output 13.8V, (Error ±1%) Voltage Main Output Rated Charging Output 3A, (Error±2%)
  • Page 7: Setting

    BAC4812 Battery Charger User Manual 5. SETTING 5.1. VOLTAGE REGULATION When regulating current on the scene, it needs to disconnect battery and charger and measure charger output voltage while measuring voltage potentiometer until suitable value. 5.2. CURRENT REGULATION Output connects to battery. Measure charging current when charging voltage isn’t higher than 12.5V and set suitable value by regulating current potentiometer (AMP).
  • Page 8: Case Dimensions

    BAC4812 Battery Charger User Manual 7. CASE DIMENSIONS Unit: mm BAC4812 Battery Charger Version 1.0 2016-06-24 Page 8 of 8...

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