With 3350 mAh and a 5A discharge, the Panasonic NCR18650B excels in IoT devices and sensor networks. It is chosen for applications where long operation is critical.

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.

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

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.