IFR26650-33A
Product Description
Product Features
FAQ
Product Tags
Key Takeaways
- 3C continuous / 8C pulse — 9,900mA continuous, 16,500mA for 60 seconds and 26,400mA for 10 seconds.
- 3,300mAh in a standard 26650 can — Ø26.3 ± 0.2 mm × 65.3 ± 0.3 mm and 88 ± 2 g.
- ≥3,000 cycles at 100% DOD, ≥5,000 at 80% DOD and ≥8,000 at 50% DOD.
- 2C maximum charge (6,600mA) with 1C standard charge, within a 0 to +60 °C charge window.
- UL1642 · UL2054 · UL1973 · IEC62133 · UN38.3 · RoHS · REACH compliance, produced under IATF 16949 and ISO 9001 quality systems.
Cell Structure & Build
The IFR26650-33A uses a nickel-plated stainless-steel can with PET shrink film and laser-welded terminals. Internal resistance stays at or below 20mΩ at 88 ± 2 g, giving PACK designers a predictable cell for balanced strings.
- Nickel-plated steel can + PET film — mechanical protection and insulation
- Laser-welded terminals — low-resistance, robust joints
- 88 ± 2 g — consistent weight for PACK balancing
- Batch-level traceability — from raw material to finished cell
Discharge & Thermal Behaviour
The cell is rated for 3C continuous discharge and 8C 10-second pulses, which covers AGV traction, robot acceleration and medical-device drive loads. Moderate heat generation at 3C keeps PACK cooling simple.
- 9,900mA continuous (3C)
- 16,500mA for 60 seconds / 26,400mA for 10 seconds
- ≤20mΩ internal resistance
- Discharge window −20 to +60 °C
Capacity & Cycle Life
At 3,300mAh and 120Wh/kg the cell extends runtime in the standard 26650 footprint. Cycle testing confirms ≥3,000 cycles at 100% DOD, rising to ≥5,000 at 80% DOD and ≥8,000 at 50% DOD.
- 3.3Ah / 3.2V nominal, 120Wh/kg
- ≥3,000 cycles at 100% DOD
- ≥5,000 cycles at 80% DOD
- ≥8,000 cycles at 50% DOD
Technical Specifications
| Mechanical | |
|---|---|
| Shape | Cylindrical |
| Case material | Nickel-plated stainless steel + PET shrink film |
| Diameter | 26.3 ± 0.2 mm (max 26.5 mm) |
| Height | 65.3 ± 0.3 mm (max 65.5 mm) |
| Weight | 88 ± 2 g |
| Electrical | |
|---|---|
| Model | IFR26650-33A |
| Chemistry | LiFePO₄ (LFP) |
| Nominal capacity | 3.3 Ah (3,300 mAh) |
| Nominal voltage | 3.2 V |
| Internal resistance | ≤20 mΩ |
| Standard charge | 1C (3,300 mA) |
| Max continuous charge | 2C (6,600 mA) |
| Standard discharge | 1C (3,300 mA) |
| Max continuous discharge | 3C (9,900 mA) |
| 60-second pulse | 16,500 mA |
| 10-second pulse | 26,400 mA |
| Charge temperature | 0 to +60 °C |
| Discharge temperature | −20 to +60 °C |
| Cycle life | ≥3,000 @100% DOD |
| Energy density | 120 Wh/kg |
| Compliance | UL1642 / UL2054 / UL1973 / IEC62133 / UN38.3 / RoHS / REACH |
Application Scenarios
One 3C cell platform for continuous-duty industrial equipment.
Storage & Reliability
Store the cell at −20 to +45 °C in a dry environment, away from direct sunlight. Long-term storage above +45 °C accelerates calendar ageing; model-specific capacity-retention and recovery figures are available in the datasheet.
Compliance references: UL 1642 / 2054 / 1973 · IEC 62133 / 62619 · UN38.3 transport testing.
Related 26650 LiFePO4 Cells
IFR26650-34D — 3,400mAh Wide-Temperature Cell
−40 °C to +60 °C discharge for photovoltaic, military and outdoor packs.
IFR26650-25B — 2,500mAh High-Rate Cell
30C continuous / 50C pulse discharge for UPS, AGV and engine-start packs.
IFR26650-40A — 4,000mAh High-Capacity Cell
3C discharge and long runtime for energy-storage and industrial packs.
Need This Cell Built Into a PACK?
Tell us your voltage, capacity, current and enclosure requirements — our engineers reply within one business day with a solution and quotation.
NDA available upon request · Typical response within 12 hours