EVE INR21700-40P – 4000mAh 3.7V Li-ion battery with high discharge current of 50A
The EVE INR21700-40P is a high-drain Li-ion (NMC) battery cell in 21700 format with a capacity of 4000 mAh. It delivers stable performance, high energy density, and is suitable for applications requiring higher discharge currents such as power tools, e-bikes, battery packs, and portable electronics.
The EVE INR21700-40P is a next-generation cylindrical lithium-ion (NMC) cell with a nominal capacity of 4000 mAh and a nominal voltage of 3.6–3.7 V. With its compact 21700 format, it offers higher energy density than traditional 18650 cells while supporting high discharge currents up to 45 A (short-term up to 60 A). The cell features low internal resistance and reliable thermal performance, making it an excellent choice for demanding high-drain applications.
It is widely used in portable electronics, power tools, e-mobility (e-bikes, e-scooters), battery modules, and other systems where compact size, high capacity, and long service life are essential.
TECHNICAL SPECIFICATIONS
Cell type: Cylindrical Li-ion
Manufacturer: EVE Energy
Model: INR21700-40P
Chemistry: Li-ion (NMC)
Capacity: 4000 mAh (4.0 Ah)
Nominal voltage: 3.6–3.7 V
Energy: approx. 14.8 Wh
Maximum discharge current: 45 A (short-term up to 60 A)
Recommended continuous current: 20–30 A (depending on conditions)
Maximum charge current: 4 A (1C)
Fully charged voltage: 4.2 V
Minimum voltage: 2.5 V
Internal resistance: <15 mΩ
Dimensions: diameter 21 mm, length 70 mm
Weight: approx. 70 g
Protection: unprotected cell
Format: 21700
Cycle life: 500+ cycles under standard use
Additional parameters
| Category: | Batteries |
|---|---|
| Warranty: | 1 year |
| Weight: | 0.07 kg |
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