Introduction

Incorrect charging parameters are one of the most common causes of LiFePO₄ battery failure. Inverters must allow precise customization of charging settings.

Recommended Charging Parameters

Typical LiFePO₄ inverter settings include:

• Bulk/Absorption voltage: 56.0–58.4V
• Float voltage: Disabled or set very low
• Charging current: ≤0.5C (recommended)

Temperature Protection

LiFePO₄ batteries should not be charged below 0°C. Inverters must either:

• Receive temperature data from BMS
• Support external temperature sensors

Adjustable Settings Are Critical

Unlike lead-acid systems, fixed inverter charging profiles may damage lithium batteries.

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Conclusion

An inverter with fully adjustable charging parameters is a fundamental requirement for LiFePO₄ energy storage systems.