LFP Chemistry
Lithium iron phosphate
Beyond the models shown on our website, QY ENERGY also accepts orders for battery cells from other Chinese brands. Share your preferred brand, model, specifications and quantity, and we’ll check availability and provide a quotation.
QY ENERGY supplies battery cells and provides battery pack assembly and customization services. Third-party brands and model names are used for product identification only and do not imply authorization or affiliation. The supplied version and specifications are subject to order confirmation.
Cylindrical cell · C40
20Ah LiFePO4 Cell(C40)
LiFePO4 chemistry Model-specific selection
Explore the C40 manufacturer reference for your battery project. Confirm the supplied revision, terminals and matching datasheet with QY ENERGY before quotation.
| Model | C40 |
|---|---|
| Nominal voltage | 3.2V |
| Nominal capacity | 20 Ah |
| Nominal energy | 64 Wh |
| Dimensions | Ø40.5 × 135.0 mm (EVE Mall) |
| Weight | 366 ± 6 g (EVE Mall) |
| Cycle life | 4,000 at 25°C (EVE Mall reference). Capacity-retention endpoint and full cycle protocol require the matching datasheet. |
Model & source notes
C40 cylindrical-cell terminal design must be matched to the exact supplied model and batch.
Manufacturer technical source: EVE reference ↗
Product photo reference
Supplier reference photography for private review. Supplied batch, authenticity and public-use permission are not established by these images.
Photo / model source 1 ↗Model Matching
Capacity, format & terminals
Technical Review
Confirm the matching datasheet
Project Support
Cell & pack requirements
Application examples
Electric two-wheelers
Electric three-wheelers
Portable energy storage
Robotic vacuums and cleaners
Application scenes are illustrations; labeled assembly photographs provide manufacturing context. Application suitability depends on the supplied cell revision and complete system design.