# PKCELL 18650 Li-ion 3.7 V 2200 mAh (PCM)

> PKCELL ICR18650 lithium-ion cylindrical cell with protection circuit: 3.7 V nominal, 2200 mAh (2090 mAh min), 4.2 V charge, 3.0 V cut-off, 4.4 A (2C) max continuous discharge, 2.2 A max charge, ≥ 500 cycles, Ø 18.6 × 67.5 mm max, 46 g, JST PH 2-pin leads.

- Manufacturer: PKCELL
- Part number: ICR18650-2200
- Category: Batteries
- Canonical page: https://www.xirkit.io/products/pkcell-18650-li-ion-3-7-v-2200-mah-pcm-2b9c
- Pinout: https://www.xirkit.io/products/pkcell-18650-li-ion-3-7-v-2200-mah-pcm-2b9c/pinout
- Structured JSON: https://www.xirkit.io/products/pkcell-18650-li-ion-3-7-v-2200-mah-pcm-2b9c/data.json
- Source: Xirkit structured parts catalog — every value traced to a cited document; unknowns are explicit.

## Key specifications

| Property | Value |
| --- | --- |
| Chemistry | li-ion |
| Form factor | cylindrical 18650 |
| Configuration | 1S1P |
| Nominal voltage | 3.7 V |
| Charge voltage | 4.2 V |
| Cut-off voltage | 3 V |
| Capacity | 2,200 mAh |
| Minimum capacity | 2,090 mAh |
| Max continuous discharge | 4.4 A |
| Standard charge current | 1.1 A |
| Max charge current | 2.2 A |
| Protection circuit | built in |
| Cycle life | 500 cycles |
| Dimensions | 18.6 × 18.6 × 67.5 mm |
| Operating temperature | -20 to 60 °C |
| Certifications | RoHS, UN38.3 test report, MSDS |

## Pinout (2 pins, 0 with electrical limits)

| Pin | Position | Kind | Chip pad | Functions | VIH | VIL | VOH | VOL | IOH | IOL | 5 V tolerant |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| RED | JST PH-2P | positive | — | red | — | — | — | — | — | — | — |
| BLACK | JST PH-2P | negative | — | black | — | — | — | — | — | — | — |

## Where to buy

| Supplier | Price | Stock | Checked | URL |
| --- | --- | --- | --- | --- |
| www.adafruit.com | 9.95 USD | in_stock | 2026-09-28 | https://www.adafruit.com/product/1781 |

## FAQ

**What voltage powers the PKCELL 18650 Li-ion 3.7 V 2200 mAh?**

Supply range 3–4.2 V.

**How much does the PKCELL 18650 Li-ion 3.7 V 2200 mAh cost?**

From $9.95 at www.adafruit.com. Prices are observed unit prices before tax and shipping.

**What are the PKCELL 18650 Li-ion 3.7 V 2200 mAh dimensions?**

18.6 × 18.6 × 67.5 mm. A STEP model is available for enclosure fit checks.

**Where does this PKCELL 18650 Li-ion 3.7 V 2200 mAh data come from?**

Every value in this record is traced to a source — 2 documents including the board and chip datasheets — with the page and table cited per value. Unknowns are left explicit, never guessed.

## Sources

- [PKCELL 18650 Li-ion 3.7 V 2200 mAh (PCM) datasheet](https://cdn-shop.adafruit.com/product-files/1781/C2253_-_ICR18650_2200mAh_3.7V_with_PCM_20140728_APPROVED_8.18.pdf)
- [www.adafruit.com listing](https://www.adafruit.com/product/1781)

## Part graph

### Alternatives (by use case)

- [PKCELL LiPo 3.7 V 1200 mAh LP503562](https://www.xirkit.io/products/pkcell-lipo-3-7-v-1200-mah-lp503562-3ff4) — Both serve battery-powered and portable builds — check the trade-offs; $9.95 vs $9.95
- [PKCELL LiPo 3.7 V 2500 mAh LP785060](https://www.xirkit.io/products/pkcell-lipo-3-7-v-2500-mah-lp785060-70b2) — Both serve battery-powered and portable builds — check the trade-offs; $14.95 vs $9.95