PRODUCT DETAIL
21700 Lithium Cell Supplier
Source 21700 cylindrical lithium cells for high-capacity and high-drain battery pack projects.
Specification Reference
| Chemistry | Lithium-ion cylindrical cell |
|---|---|
| Nominal Voltage | 3.6V / 3.7V |
| Capacity Range | 4000mAh – 6000mAh class |
| Model Scope | 40T / 40P / 40XG / 50PL / RS60 and equivalent options |
| Applications | E-bike, tools, flashlight, DIY battery packs |
RFQ Checklist
- Model or chemistry requirement
- Voltage, capacity and current range
- Quantity and target application
- Destination country and packing request
- Need for BMS, case, wiring or accessories
MODEL NOTES
Common Sourcing Notes
- Popular RFQs often focus on 4000mAh, 4500mAh, 5000mAh and 6000mAh class cells.
- High-discharge cells and high-capacity cells serve different applications.
- Confirm cell holder, nickel strip, BMS and charger requirements before finalizing pack design.
Request Model Availability
Email renbella37@gmail.com or WhatsApp +86 137 0332 9181 with model, quantity, destination and application. We will confirm the suitable option before quotation.
Send EU RFQApplication Scenarios
E-bike Battery Packs
21700 cells support higher capacity packs when the case and BMS layout allow.
High-drain Tools
Model selection should consider continuous current, peak current and thermal limits.
Portable Power
Higher capacity 21700 cells can reduce cell count in compact power applications.
FAQ
What is the advantage of 21700 cells?
21700 cells usually provide higher capacity per cell than 18650 cells, which can help with compact high-energy pack designs.
Can you match branded cells?
We can discuss available models and alternatives based on project requirement and current supply.
How do I avoid choosing the wrong cell?
Start with current, capacity, cycle life, cell space and BMS requirement before comparing price.