With 5,000mAh and a 70A continuous rating, the Reliance RS50 is tailored for high‑drain systems such as UAV propulsion, VTOL and heavy‑lift drones. Its robust build makes it a go‑to for demanding engineers.

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.