LiFePO4 Golf Cart Batteries S51105L are 51.2V lithium iron phosphate battery systems designed for electric golf carts and utility vehicles, offering a 105Ah capacity for extended runtime. Built with IP67 protection and UN38.3/CE certifications, these batteries provide superior thermal stability (-30°C to 60°C operating range) and 3,000+ charge cycles. Their 51.2V nominal voltage aligns with 48V lead-acid replacements, while the modular design allows easy integration into Club Car, EZGO, and Yamaha carts.
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What voltage compatibility does S51105L offer?
The S51105L operates at 51.2V nominal (58.4V fully charged), directly replacing 48V lead-acid systems. This voltage optimization reduces current draw by 15% compared to equivalent lead-acid packs while maintaining controller compatibility. Pro Tip: Always verify your cart’s voltage tolerance—some older models require voltage step-down modules above 54V.
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Designed for seamless upgrades, the 51.2V architecture uses 16 LiFePO4 cells in series (3.2V per cell). Unlike traditional 48V lead-acid systems that sag to 42V under load, these maintain 50V+ during acceleration. For example, a golf cart climbing 15° slopes maintains 98% voltage stability, whereas lead-acid batteries drop to 83% efficiency. Warning: Never mix LiFePO4 and lead-acid batteries in series—the charging profiles are fundamentally incompatible.
What’s the real-world capacity of S51105L?
With 105Ah usable capacity (6.7kWh total energy), S51105L delivers 35-45 miles per charge in standard golf carts—double lead-acid’s range. Practical testing shows 18-hole golf course operation with 40% charge remaining, even with 25 mph headwinds.
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| Load Scenario | S51105L Runtime | Lead-Acid Equivalent |
|---|---|---|
| Flat terrain (15mph) | 8-9 hours | 3.5 hours |
| Hilly terrain (12mph) | 6.2 hours | 2.1 hours |
How does temperature affect performance?
The -30°C to 60°C operational range allows reliable starts in freezing conditions where lead-acid fails. At -20°C, S51105L retains 85% capacity vs. lead-acid’s 45% retention. Built-in battery heaters (optional) prevent lithium plating during sub-zero charging.
Thermal management uses passive cooling fins and nickel-plated busbars, limiting temperature rise to 8°C during 2C discharges. In desert testing (50°C ambient), the pack maintained stable output for 6 continuous hours—ideal for resort vehicles in hot climates. Pro Tip: Install in ventilated compartments—confined spaces may reduce heat dissipation efficiency by 18%.
Redway Battery Expert Insight
FAQs
Yes, the integrated 200A BMS accepts regen currents up to 45A—perfect for hilly courses. Exceeding this requires external current limiters.
What charging infrastructure is needed?
Use 58.4V LiFePO4 chargers (10-25A). Standard lead-acid chargers risk overvoltage faults—always verify compatibility.
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