Product Description
⚡ Next-Gen LiFePO4 | High Power Density
QPF50CC · 50Ah 3.2V
Lithium-ion Battery Cell
Prismatic metal-cased cell engineered for extreme rate performance: 3C fast charge, 6C continuous discharge, 3000+ deep cycles, and ultra-low resistance. Designed for EVs, heavy-duty energy storage, and industrial power systems.
✨ Key Performance Features
🔁 Cycle Life ≥3000 cycles (standard 1C/1C, 80% EOL); ≥1000 cycles @ 3C/6C rate
⚡ Continuous Discharge 6C (300A) · Maximum pulse 8C (400A, 30s)
🔌 Fast Charge 3C continuous charge (150A) · Pulse 5C (250A)
🧊 Low Temperature Discharge down to -20°C (70% capacity retention) · Charge 0°C~55°C
📉 Ultra-low DCIR ≤2.5mΩ (50% SoC, 1C/30s) — minimal heat generation
🛡️ Metal Structure Heavy-duty aluminum alloy case + metal terminals (weldable area 16*34mm) with high mechanical strength
🌍 Self-discharge Monthly ≤3% @25°C — excellent shelf life
📏 Compact dimensions Thickness 27mm / Width 148.4mm / Height 132.7mm · Weight 1135±20g
🔒 Safety & Reliability (Certified)
✅ Overcharge protection (no fire/explosion)
✅ Over-discharge safe
✅ Short-circuit tested
✅ Thermal test 130°C / 30min
✅ Crush & temperature cycling
✅ Leakage-proof design
✅ Over-discharge safe
✅ Short-circuit tested
✅ Thermal test 130°C / 30min
✅ Crush & temperature cycling
✅ Leakage-proof design
Complies with UL / IEC waterproof & dustproof standards (system-level). Built-in explosion-proof valve for pressure relief. Recommended BMS for full cell management (voltage/current/temperature).
🔩 metal terminals 🧲 ferromagnetic-free case ⚙️ high-rate LFP 🔋 50Ah prismatic cell 🏭 QINKUAL
📋 Technical Specifications
| Model | QPF50CC |
| Chemistry | Lithium Iron Phosphate (LiFePO₄) |
| Nominal Voltage | 3.2V |
| Rated Capacity (1C) | 50Ah @ 25±2°C (2.5~3.65V) |
| Operating Voltage | 2.5V – 3.65V (≥-10°C) / 2.0V (< -10°C) |
| AC Internal Resistance | ≤0.5mΩ (1kHz, 23±3% SoC, fresh cell) |
| DC Internal Resistance (DCR) | ≤2.5mΩ (50% SoC, 1C 30s) |
| Max Continuous Charge | 3C (150A) |
| Max Pulse Charge (30s) | 5C (250A) |
| Max Continuous Discharge | 6C (300A) |
| Max Pulse Discharge (30s) | 8C (400A) |
| Standard Charge Method | 1C CC/CV to 3.65V, cut-off 0.05C |
| Standard Discharge | 1C constant current to 2.5V |
| Cycle Life (Standard) | ≥3000 cycles (80% initial capacity) |
| Rate Cycle Life (3C/6C) | ≥1000 cycles |
| Charge Temperature Range | 0°C ~ +55°C (cell temperature) |
| Discharge Temperature Range | -20°C ~ +55°C |
| Storage Temp (≤1 month) | -20°C ~ +45°C (Humidity ≤90% RH) |
| Long-term Storage (SoC) | 15%~50% SoC, recharge every 3 months |
| Cell Weight | 1135 ± 20g |
| Dimensions (L×W×H) | 148.4±0.6 × 27(+1/-0.5) × 132.7±0.6 mm |
| Monthly Self-discharge | ≤3% @25±2°C, 23% SoC |
| Shipment SoC / Voltage | 23±3% SoC (3.255V~3.295V) |
| 5C Rate Discharge Retention | ≥95% of rated capacity |
| High Temp (55°C) Capacity | ≥90% initial capacity |
| Low Temp (-20°C) Capacity | ≥70% initial capacity |
| Charge Retention (28d/25°C) | ≥90% initial capacity / recovery ≥91% |
| Terminal Material | Metal (weldable area 16*34mm, max torque 6N·m) |
| Case Material | Aluminum alloy (metal casing, insulated surface optional) |
📌 Welding parameters: max penetration 2.5mm, pole temperature <100°C during welding. Designed for ultrasonic or laser bonding — robust metallic interconnects.
⚠️ BMS mandatory: over-voltage protection (3.65V alarm, 3.70V force stop), under-voltage (2.5V alarm, 2.3V force stop) and overtemperature protection (-30~65°C).
🚀 Advanced Engineering & Application Focus
- Preload force recommended 500N~5000N for cycle life & pack integration
- Cell swelling accommodation: reserve 1~2% gap in module design
- Top cover withstands pressure up to 1200N, robust metal structure
- Compatible with automotive, marine, solar storage, AGV, high-rate UPS
- Ideal for series/parallel configurations with active BMS
- Operating altitude <5000m, IP rating ready for enclosures
- Transportation: 15%~50% SoC by road/rail/ship; IATA compliant with MH/T1020-2018
- High power EV packs, off-grid storage, industrial backup
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