Description
The HW-749 is a digital battery charging control module (also known as the XY-L30A) designed to manage the charging process for various batteries, including lead-acid and lithium-ion packs. It acts as a programmable switch that connects a charger to a battery when its voltage is low and disconnects it when the battery is fully charged, preventing overcharging.
Key Feature and Specifications:
- Operating Voltage: DC 6V to 60V.
- Maximum Current: 30A (controlled by an onboard relay).
- Control Precision: 0.1V.
- Output Type: Direct output (controls the connection between the input charger and the battery).
- Display: LCD screen showing real-time battery voltage, charging percentage, and time.
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