INR18650-P22S — 18650 lithium-ion cell
Molicel INR18650-P22S: 2,200 mAh typical (2,000 mAh minimum), 3.6 V nominal, 36 A discharge. A 2,200 mAh cell that trades capacity for current: 36 A maximum discharge at an 80 °C cut-off with 3.0 V cut-off, and charging allowed down to -20 °C.
Specification
INR18650-P22S parameters
| Parameter | Value |
|---|---|
| Brand | Molicel |
| Model | INR18650-P22S |
| Form factor | 18650 |
| Chemistry | NMC |
| Nominal voltage | 3.6 V |
| Typical capacity | 2,200 mAh / 7.92 Wh |
| Minimum capacity | 2,000 mAh |
| Standard charge current | 2.0 A |
| Maximum charge current | 4.0 A |
| Discharge current | 36 A |
| Internal resistance | AC 10 mΩ (30% SOC) · DC 22 mΩ (50% SOC) |
| Energy density | 403 Wh/L · 147 Wh/kg |
| Weight | 49 g (Max) |
| Diameter | 18.6 mm (Max) |
| Height | 65.2 mm (Max) |
| Charge temperature | -20 °C to 60 °C |
| Discharge temperature | -40 °C to 60 °C |
INR18650-P22S — specification and pack integration
A 2,200 mAh cell that trades capacity for current: 36 A maximum discharge at an 80 °C cut-off with 3.0 V cut-off, and charging allowed down to -20 °C.
What the numbers mean for a pack
- 2,200 mAh typical in a 18650 can, at 3.6 V nominal
- 36 A discharge ceiling — the pack design must hold the cell inside its temperature cut-off to use it
- 4.0 A maximum charge current sets the fastest realistic turnaround
- 403 Wh/L · 147 Wh/kg
- AC 10 mΩ (30% SOC) · DC 22 mΩ (50% SOC) — the figure that decides voltage sag under load
Where it is used
- Cold-chain and outdoor equipment — charge window starts at -20 °C rather than 0 °C
- High-current handheld tools where burst current outweighs runtime
- Starter and crank-assist packs that need short, heavy pulses
Integration notes
Charge CC-CV to 4.2 V within the current limits above and stop discharge at 2.5 V. These are unprotected industrial cells: a BMS or protection circuit is required, interconnects must be resistance or laser welded rather than soldered, and cells of different model, batch or state of charge must not be mixed in one pack. Charging below 0 °C is not permitted unless the pack implements a low-temperature charge strategy.
Documentation
The manufacturer product data sheet for this model is available for download on this page. UN38.3 test summary, MSDS and transport documentation are supplied with shipment.
Specification basis: Molicel Product Data Sheet, model INR-18650-P22S (v1.0)
Compare
Other 18650 cells to quote against
| Model | Brand | Capacity | Discharge | Data sheet |
|---|---|---|---|---|
| INR18650-25R | Samsung SDI | 2,500 mAh | 20 A | Pending |
| INR18650-P26A | Molicel | 2,600 mAh | 35 A | On file |
| INR18650-30Q | Samsung SDI | 3,000 mAh | 15 A | Pending |
| INR18650-P28A | Molicel | 2,800 mAh | 35 A | On file |
Capacity and discharge figures are the values held for each model; where no manufacturer data sheet is on file the row is marked pending rather than presented as verified.
Applications
Duties this grade of cell is specified for
Related
Where else to look
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