CATL 34184 LifePO4 Phosphate Cylinder Battery 3.2V 20Ah (USED LIKE NEW)
Original CATL Disassembled From Unused EV Car, this CATL 34184 LiFePO₄ Phosphate Cylinder Battery 3.2 V 20 Ah (USED LIKE NEW) delivers reliable performance with nearly full nominal capacity and long service life. The cell measures 34 × 260 mm, weighs approximately 430g (370g for the battery + 60g for the soldered nut and screws), features soldered flanged nuts (M8) made from aluminum‑manganese alloy (95% Al, 5% Mn), and provides nominal voltage of 3.2 V with full charge voltage of 3.65 ± 0.05 V.
Features
- Genuine CATL 34184 cylindrical LiFePO₄ cell, reclaimed from EV pack—guaranteed original.
- Nominal 3.2 V voltage, 20 Ah rated capacity.
- Minimal internal resistance and strong cycle life; used but “like new” condition.
- Soldered flanged M8 nuts at both ends for easy bus-bar or terminal connection.
- Nuts made from aluminum‑manganese alloy (95% Al, 5% Mn) for lightweight durability.
- Ideal for DIY solar packs, e-bike energy modules, and backup power builds.
Specifications
| Parameter | Value |
|---|---|
| Nominal Voltage | 3.2 V |
| Standard Capacity | 20 Ah |
| Charge Voltage (Max) | 3.65 V ±0.05 V |
| Cut-off Discharge Voltage | 2.0 V ±0.05 V |
| Internal Resistance | 1.2±0.5mΩ |
| Standard Current (0.5 C) | 10 A |
| Max Continuous Current (1 C) | 20 A |
| Operating Temperature (Charge) | 0 °C to 55 °C |
| Operating Temperature (Discharge) | –10 °C to 60 °C |
| Terminal Nuts | Flanged M8 aluminum‑manganese alloy |
| Dimensions (Diameter × Length) | 34 mm × 260 mm |
| Weight | 430g (370g + 60g) |
Actual capacity and nominal voltage are tested to ensure they meet specifications.
Dimensions
Applications
- DIY e-bike, scooter, portable power bank or marine battery pack projects.
- High-cycle backup power modules and UPS applications.
- Electric vehicles, golf carts, or wheelchair battery assemblies.
- Educational and prototyping uses in battery management systems.
Package Contents
- 1x CATL 34184 LiFePO₄ battery with soldered nuts and mounting screws.
Note: if connecting two batteries in series, we recommend getting the bundled battery connector made specifically for this type of batteries.
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