The 48V LiFePO4 lithium golf cart battery with built-in 200A BMS and touch monitor delivers 6000+ cycles, 30% more runtime than lead-acid batteries, and 10-year lifespan. Its integrated retention strap ensures vibration resistance, while the smart BMS protects against overcharge/over-discharge. Ideal for golf carts requiring high energy density and rapid charging.
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How Does the Built-In 200A BMS Enhance Battery Performance?
The 200A Battery Management System (BMS) actively balances cell voltages, prevents thermal runaway, and enables 2C continuous discharge rates. Real-time monitoring of temperature (-20°C to 60°C operational range) and state-of-charge (SOC) accuracy within ±1% ensures optimal performance across 4000-6000 deep cycles.
Advanced cell balancing algorithms compensate for voltage deviations as low as 15mV between individual LiFePO4 cells. This precision extends cycle life by preventing undercharged/overcharged cells from degrading the entire pack. The BMS also enables dynamic current adjustment – automatically reducing discharge rates by 25% when detecting temperatures above 55°C. Field tests demonstrate 98.7% energy retention after 1,000 cycles when operating within the recommended 20-80% SOC window.
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| BMS Feature | Performance Benefit |
|---|---|
| 200A Continuous Discharge | Enables hill climbing at 18% grades |
| ±1% SOC Accuracy | Prevents accidental deep discharges |
| Multi-Stage Balancing | Extends pack lifespan by 27% |
What Safety Features Prevent Thermal Runaway in This Battery?
Multi-layer protection includes ceramic separators (180°C melt temperature), pressure relief vents activating at 15-20 psi, and nickel-plated copper busbars with 300A interrupt capacity. The UL-certified design passed nail penetration tests (3mm steel rod at 25mm/s) without ignition or electrolyte leakage.
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The battery’s thermal management system combines passive and active safety measures. Phase-change material sandwiched between cells absorbs 380J/g of heat during extreme loads, while the aluminum casing dissipates heat at 45W/m·K. In overcurrent situations, pyro-fuses disconnect individual cell groups within 8ms – 60% faster than conventional circuit breakers. Third-party testing confirmed zero thermal runaway propagation when subjecting the battery to simultaneous overcharge (150% SOC) and short circuit conditions.
| Safety Test | Result |
|---|---|
| Overcharge (58.8V) | BMS cutoff in 2.3 seconds |
| Crush Test (150kN) | No fire or explosion |
| Saltwater Immersion | No short circuits detected |
“The 48V LiFePO4 architecture represents a paradigm shift in motive power. Our testing showed 412W continuous power output with <1% voltage sag under 200A loads. The graphene-enhanced anode material reduces internal resistance to 18mΩ, enabling 95% energy efficiency at 1C discharge rates." - Dr. Elena Marquez, Director of Advanced Battery Systems
FAQs
- Q: What’s the actual capacity in watt-hours?
- A: 5120Wh (51.2V x 100Ah) with 90% depth-of-discharge (DOE) compared to 50% in lead-acid.
- Q: Does it include cold weather protection?
- A: Yes, self-heating pads activate below 0°C, drawing 40W to maintain electrolyte above freezing during charging.
- Q: Warranty terms?
- A: 7-year pro-rated warranty covering capacity below 70% within 6000 cycles. Includes free firmware updates for BMS optimization.