What Is a LiFePO4 Battery Charger Module and How Does It Work
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A LiFePO4 battery charger module regulates voltage and current to safely charge lithium iron phosphate batteries. It uses constant current (CC) and constant voltage (CV) phases, preventing overcharging. Advanced modules include balancing circuits to equalize cell voltages, ensuring longevity. These modules often integrate temperature sensors and protection against short circuits, reverse polarity, and over-discharge.
Why Are LiFePO4 Batteries Charged Differently Than Other Lithium-Ion Batteries?
LiFePO4 batteries require a lower nominal voltage (3.2V per cell vs. 3.6–3.7V for Li-ion). Charging them at higher voltages degrades their lifespan. Charger modules for LiFePO4 prioritize precise voltage control (typically 3.6–3.65V per cell during CV phase) and avoid the aggressive charging profiles used for cobalt-based lithium batteries.
What Safety Features Do LiFePO4 Charger Modules Include?
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