A 48V 100Ah lithium battery pack with BMS offers high energy density, thermal stability, and compatibility with 5000W systems like UPS, scooters, and solar arrays. Its LiFePO4 variant provides 2000+ cycles, 10A fast charging, and fire-resistant chemistry. The integrated BMS prevents overcharging/overheating, making it safer than lead-acid alternatives for transportation and off-grid applications.
Deespaek Battery Energy Density
What Safety Features Are Integrated Into the Battery Management System?
The 48V BMS includes multi-layer protection: cell voltage balancing (±25mV accuracy), temperature cutoff (55°C), overcurrent shutdown (150A peak), and short-circuit response (<3ms). Its aluminum alloy housing provides IP65 water resistance and vibration damping up to 5G forces. Real-time monitoring via Bluetooth tracks state-of-charge (SOC) with ±2% accuracy for UPS and solar system integration.
Advanced safety protocols include redundant contactors that physically disconnect the battery during fault conditions. The system employs galvanic isolation between cells and external circuits, preventing ground faults in solar installations. For thermal management, phase-change material pads between cells maintain temperature differentials below 5°C during high-current operations. The BMS also features historical data logging, storing 6 months of charge/discharge patterns to help diagnose performance issues.
Deespaek 12V 200Ah LiFePO4 Battery
| Safety Feature | Specification | Response Time |
|---|---|---|
| Overvoltage Protection | 58.4V cutoff | <500ms |
| Cell Balancing | ±25mV accuracy | Continuous |
| Thermal Runaway Prevention | 3-stage cooling | <10 seconds |
Why Choose LiFePO4 Over Lead-Acid for Solar Energy Storage?
LiFePO4 provides 92% round-trip efficiency vs 70% for lead-acid, reducing solar panel requirements by 25%. It withstands 3000+ partial cycles versus 600 in AGM batteries. The 48V 100Ah model saves 60% space/weight compared to 4x12V 100Ah lead-acid banks. With zero maintenance and 10-year lifespan, LiFePO4 cuts solar system LCOE by 40% despite higher upfront cost.
Lithium iron phosphate chemistry maintains stable performance across wider temperature ranges, functioning efficiently from -20°C to 60°C without requiring heated enclosures. Unlike lead-acid batteries that suffer from sulfation during partial states of charge, LiFePO4 cells thrive in solar applications where daily cycling rarely achieves full discharge. Their flat voltage discharge curve (48V±5% through 90% of capacity) maximizes inverter efficiency compared to lead-acid’s 15-20% voltage sag. When considering total ownership costs, LiFePO4’s 5,000-cycle lifespan at 80% depth of discharge translates to 13+ years of daily use versus 3-4 years for comparable VRLA batteries.
| Parameter | LiFePO4 | Lead-Acid |
|---|---|---|
| Cycle Life | 3,000+ | 600 |
| Weight | 28kg | 68kg |
| Charge Efficiency | 98% | 85% |
Can This Battery Power a 5000W Electric Scooter Continuously?
At 48V 100Ah (4.8kWh), the pack sustains 5000W loads for 57 minutes theoretically. Actual runtime depends on terrain – 35-45 minutes for hill-climbing scooters vs 75+ minutes on flat roads. Parallel configurations enable capacity expansion up to 4 units (19.2kWh). The 10A charger fully replenishes the pack in 10 hours, with optional 20A models cutting charge time to 5 hours.
Expert Views
“Modern 48V LiFePO4 systems are revolutionizing mid-power applications. Their 200A continuous discharge meets industrial UPS demands while the modular design allows capacity stacking without voltage drop issues. The critical advancement is the hybrid BMS that manages both passive balancing and active thermal propagation control – a must for solar cluster deployments.”
– Senior Energy Storage Engineer, Global Battery Solutions
FAQ
- How Many Solar Panels Charge a 48V 100Ah Battery?
- A 48V 100Ah battery (4.8kWh) requires 1.5kW solar array (5x300W panels) for 3-4 hour recharge. With MPPT controllers, 120VOC input maximizes efficiency. Partial shading reduces output – use microinverters or optimizers for consistent charging.
- Can This Battery Run a Home Air Conditioner?
- Yes, for limited durations. A 12,000 BTU AC (1500W) would run ~3 hours on a single 48V 100Ah pack. For whole-house coverage, connect 4+ packs in parallel with a 5kW hybrid inverter for 12+ hour runtime.
- What Maintenance Does the BMS Require?
- No routine maintenance needed. Update firmware annually via USB. Check torque on terminal bolts (8-10Nm) every 6 months. Replace balancing resistors after 2000 cycles or if cell voltage deviation exceeds 50mV.