Series E · 21700-5000mAh

Energy Cell

The Volklec 21700-5000mAh Energy Cell is a proven cylindrical lithium-ion cell delivering 5.00 Ah nominal capacity and 18.00 Wh nominal energy. Independently tested and designed for demanding energy-driven applications across mobility, industrial and defence sectors.

Technical Specifications

247 Wh/kg

Gravimetric Energy Density

Guaranteed spec; independently measured at 264 Wh/kg. Enables lighter, longer-range system designs.

800+

Cycle Life (TO 80% SOH))

Guaranteed minimum 800 cуcles to 80% state of health (SOH); independently tested to >1,000 cycles.

5.00 Ah

Nominal Capacity

Guaranteed 5.00 Ah nominal capacity; minimum guaranteed 4.95 Ah. Independently measured: 5.15 Ah.

−20 to 60°C

Discharge Temperature Range

Discharge −20°C to +60°C; charge 0°C to +45°C. Reliable performance across demanding climatic conditions.

3C / 15A

Max Continuous Discharge

Continuous discharge at 3C (15A). Optimised for sustained energy delivery across a wide range of applications.

3.6V

Nominal Voltage

3.6V nominal with 18.00 Wh nominal energy (guaranteed).

Key Features

Thermal Safety Architecture

Proprietary cell-to-cell thermal barrier system eliminates propagation risk. Designed to exceed UN38.3 and IEC 62619 safety standards with zero-compromise engineering.

Integrated Smart BMS

On-board battery management system with real-time SOC, SOH monitoring, predictive analytics, and CAN/RS485 communication for seamless system integration.

Fully Recyclable Design

100% of cell materials are recoverable through our closed-loop recycling programme. Designed for disassembly from day one, supporting circular economy principles.

Modular Form Factor

Standardised 21700 and prismatic formats with common interconnect standards enabling fast assembly, simplified serviceability, and flexible system configuration.

Applications

Grid Energy Storage

Electric Vehicles

Renewable Integration

Commercial UPS

Marine & Offshore

Utility-Scale BESS

Telecom Backup

Applications

Grid Energy Storage

Electric Vehicles

Renewable Integration

Commercial UPS

Marine & Offshore

Utility-Scale BESS

Telecom Backup

Product Data Sheet

Request the full technical data sheet including detailed test reports, certifications, dimensional drawings, and integration guidelines.