Molicel INR21700 P42A - 21700 Battery - 4200mAh - 30A - Molicel
Molicel INR21700 P42A - 21700 Battery - 4200mAh - 30A
Molicel
| Nominal Capacity: | 4,200mAh |
| Max Continuous Discharge: | 30A |
| Connection Type: | Flat Top |
Order by 3pm (Monday to Friday) for same day dispatch!
4200mAh - 30A Continuous Discharge
Brand: Molicel
Model: INR21700 P42A
Size: 21700
Chemistry: IMR
Nominal Capacity: 4200mAh
Nominal Voltage: 3.6V
Discharge: 30A Max Continuous
Positive: Flat Top
Protected: NO
Rechargeable: Yes
Dimensions: 21mm x 70mm
Weight: 65g
Priced Individually
Cell Supply Ltd only supply authentic, batch tested cells.
This battery displays a printed warning "NOT FOR E-CIG or VAPE". The battery specification however, remains unchanged.

Bulk Discount (Ex VAT)
| Quantity Purchased | Price |
|---|---|
| 1 - 99 | £3.05 |
| 100 + (Inner box qty 100) | £2.87 |
| 200 + (Outer box qty 200) | £2.81 |
| 400 + (Stack qty 400) | £2.68 |
| 10400 + (Pallet qty 10400) | Contact us |
- Overview & Specifications
The Molicel P42A combines 4,200mAh capacity with 30A discharge, versatile enough for R&D prototypes needing both energy and current. It delivers consistency and solid cycle life.
- Looking for a Complete Battery Pack?
Cell Supply is part of the Lithium Ion Group, alongside our specialist pack‑building company Britcell Ltd. Through Britcell, we offer custom pack design & assembly – from prototype to production; onboard BMS integration – smart protection & monitoring; compliance testing – UN38.3, IEC 62133, CE/UKCA; UK‑based manufacturing – with traceability & QC. If you need more than just cells, let us design and build a ready‑to‑deploy pack tailored to your project. Enquire with Britcell.
- Why Buy From Cell Supply?
Authentic & Batch Tested – Only genuine manufacturer‑supplied cells
UK Stock, Same‑Day Dispatch – Fast delivery, no delays
Documentation & Traceability – Datasheets, MSDS & UN38.3 test reports available on request
Trusted by Industry – Supplying OEMs, R&D & manufacturers across the UK & Europe
- Safety Information!
Do not short‑circuit, crush or expose to fire.
Always use with a suitable Battery Management System (BMS).
Not recommended for use as loose replacement cells in consumer devices.
Pack assembly should only be carried out by qualified professionals.

