LiFePO4 vs Lead-Acid Charging
| Parameter | Lead-Acid | LiFePO4 |
|---|---|---|
| Absorption voltage | 14.4V-14.8V | 14.4V-14.6V |
| Float voltage | 13.5V-13.8V | 13.5V-13.8V |
| Charge rate | 10-25% | Up to 100% |
Related: Battery Lifespan
Voltage Settings (12V System)
- Bulk: Up to 14.4V
- Absorption: 14.4V-14.6V
- Float: 13.5V-13.8V
- Never exceed: 14.6V
Charge Rate
Max safe: 1C (1 × capacity). Recommended: 0.3C-0.5C.
Temperature
Never charge below 0°C (32°F) without low-temp protection.
Learn: BMS Explained
Common Mistakes
- Using lead-acid charger (too high voltage)
- Leaving at 100% SoC long-term
- Charging too fast
- Not balancing cells
TL;DR
- Voltage: 14.4V-14.6V absorption
- Rate: 0.3C-0.5C
- Temp: Never below 0°C
- Storage: 50% SoC for long-term
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