Volklec 21700-5000mAh NMC Cell
The Volklec 21700-5000mAh is a cylindrical NMC cell with independently tested capacity of 5.15 Ah and 264 Wh/kg gravimetric density — exceeding the 247 Wh/kg rated minimum. At 3C continuous discharge and just 70 g per cell, it suits power-dense EV repurposing, e-bike pack builds, and compact stationary storage. Full PDS, SDS, and UN38.3 documentation included.
Availability
- Quantity available
- 40,000 cells (≈ 720 kWh total)
- Location
- United Kingdom
- Status
- Available inventory
- Partial lots
- Minimum quantities subject to negotiation
- Pre-shipment inspection
- Third-party inspection supported on request
- Hazmat class
- UN3480 — Lithium-ion batteries (Class 9)
Condition
- State
- New — H1-2025 production
- State of health
- 100% (brand new)
- Manufacturer
- Manufactured in China · Volklec Ltd, United Kingdom (brand / distributor)
- Certifications
- CE · WEEE / RoHS (printed on wrapper)
Technical Specifications
- Model
- 21700-5000mAh
- Chemistry
- NMC (Lithium-ion)
- Format
- Cylindrical 21700
- Nominal capacity
- 5.00 Ah · 5.15 Ah measured
- Nominal voltage
- 3.6 V
- Maximum voltage
- 4.2 V
- Nominal energy
- 18.00 Wh · 18.54 Wh measured
- DCIR (3C, 10 s)
- 0.023 Ω
- Cont. discharge
- 15 A · 3C
- Cont. charge
- 5 A · 1C
- Gravimetric density
- 247 Wh/kg rated · 264 Wh/kg measured
- Volumetric density
- 689 Wh/L rated · 700 Wh/L measured
- Cycle life
- ≥ 800 cycles rated · 1,000 measured (to 80% capacity)
- Cell mass
- 73 g rated · 70 g measured
- Charge range
- 0 to 45 °C
- Discharge range
- −20 to 60 °C
- Diameter
- 21.65 ± 0.2 mm
- Height
- 70.95 ± 0.2 mm
Available Documentation
All three documents are available immediately to qualified buyers on request.
Product Images
Specifications are sourced from the manufacturer product data sheet and believed accurate; they are provided for informational purposes only and do not constitute a warranty. Availability is indicative and subject to confirmation. No title is conveyed until a sales agreement is signed.