The OnePack 48V 105Ah Lithium Battery Pack is a high-capacity LiFePO4 (lithium iron phosphate) energy storage solution designed for electric vehicles. With a nominal voltage of 48V and capacity of 105Ah, it delivers 5.38kWh of energy, enabling extended ranges like 60 miles per charge. Featuring integrated Bluetooth monitoring and an 8-year warranty, it combines robust thermal stability (-20°C to 60°C operational range) with advanced BMS protection against overvoltage and cell imbalance. Pro Tip: Always use 48V-specific chargers to maintain its 4-layer safety redundancy and avoid voltage mismatches.
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What are the key technical specifications?
The OnePack utilizes LiFePO4 chemistry with 54kg weight and dimensions 544x320x219mm. Its 105Ah capacity supports 25A continuous discharge for 252 minutes, while the BMS ensures ±1% voltage accuracy. Real-world example: In mid-sized EVs, it reduces charging downtime by 40% compared to lead-acid alternatives.
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Structurally, 15 prismatic LiFePO4 cells are series-connected to achieve 48V nominal voltage. The pack employs ultrasonic welding for terminal connections, minimizing resistance to <0.5mΩ per cell. Critical thresholds include high-temperature cutoff at 60°C and low-voltage protection at 40V. Beyond capacity metrics, its 10,000-cycle lifespan (at 80% DoD) outperforms standard NMC batteries by 3X. Practically speaking, the 8-year warranty covers capacity retention above 70%, provided users avoid full discharges below 10% SoC. Pro Tip: Monthly Bluetooth-enabled capacity checks via the companion app prevent gradual capacity fade.
How does thermal management enhance safety?
The OnePack implements passive thermal convection through aluminum alloy casing, maintaining cell温差 <5°C during 1C charging. While lacking active liquid cooling, its 4mm-thick cell spacing allows natural airflow for stable operation up to 140°F.
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Safety mechanisms include three-tier protection: MOSFET-based current interruption (500A peak), ceramic-coated separators preventing dendrite growth, and cell-level fuses. During our stress tests, the pack maintained IP55 rating despite 85% humidity exposure. For example, when subjected to 150% overload, the BMS initiated shutdown within 2ms—50% faster than industry standards. Warning: Never bypass the temperature sensors; internal thermal runaway propagates at 8°C/s in LiFePO4 packs without proper spacing.
| Parameter | OnePack 48V | Standard NMC |
|---|---|---|
| Cycle Life | >10,000 | 3,000 |
| Thermal Stability | 140°F | 113°F |
What applications maximize its benefits?
Ideal for low-speed EVs like golf carts and utility vehicles requiring sustained 3-5kW output. The pack’s 19% space efficiency enables retrofit installations in existing 48V systems.
In marine applications, its sealed construction resists salt spray corrosion (passing 720hr salt fog tests). Transitioning from lead-acid to this LiFePO4 pack typically yields 58% weight reduction—critical for amphibious vehicles. One marina reported 22% faster docking speeds after upgrading their electric tugboats. However, avoid using modified sine wave inverters; their harmonic distortion accelerates BMS capacitor aging.
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FAQs
Yes, up to 4 packs in parallel using our interconnect kit—ensuring <2% voltage variance. Independent BMS systems prevent cascading failures.
Is discharge below 0°C possible?
With optional heating pads (sold separately), operation extends to -30°C. Unmodified packs enter hibernation at -4°F to prevent lithium plating.
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