Shenzhen Jianheng Technology Co., Ltd.
| Delivery Time | 3 ~ 7 days for storage |
| Payment Terms | TT,L/C,Western Union |
| Name | 40A Battery |
| ODM | Free custom design for packs |
| Battery Type | 4000mAh Rechargeable |
| Cathode | NCM or NMC |
| Higher Energy Density | LongerrRuntime for 20-30% more energy than 18650 cells |
| Superior Power Output | Higher discharge rates (up to 40A) |
| Cost-Effective & Space-Saving | Reduce pack weight and cost by requiring fewer cells in series and parallel |
| Future-Proof | Ensure compatibility with next-gen tech for high-demand applications |
| Brand Name | OiD |
| Model Number | INR21700N40A40 |
| Certification | BIS, KC, BSMI, CB, UL, CCC |
| Place of Origin | China |
View Detail Information
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Product Specification
| Delivery Time | 3 ~ 7 days for storage | Payment Terms | TT,L/C,Western Union |
| Name | 40A Battery | ODM | Free custom design for packs |
| Battery Type | 4000mAh Rechargeable | Cathode | NCM or NMC |
| Higher Energy Density | LongerrRuntime for 20-30% more energy than 18650 cells | Superior Power Output | Higher discharge rates (up to 40A) |
| Cost-Effective & Space-Saving | Reduce pack weight and cost by requiring fewer cells in series and parallel | Future-Proof | Ensure compatibility with next-gen tech for high-demand applications |
| Brand Name | OiD | Model Number | INR21700N40A40 |
| Certification | BIS, KC, BSMI, CB, UL, CCC | Place of Origin | China |
| High Light | 300 Cycles 40A Battery ，40A Battery Customized ，3.7 V 4000mAh Battery High Rate | ||
INR21700N40A40 3.7V 4000mAh 40A 300 Cycles 21700 Battery
Product Name
INR21700-4000-3.7 21700 Battery
Advantages
Specifications
| Parameter | Value |
| Model | INR21700N40A40 |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 4000mAh |
| Charging Voltage | 4.20V ± 0.05V |
| Discharge Cut-off Voltage | 2.50V |
| Max Charging Current | 6.0A |
| Max Continuous Discharge Current | 40A |
| Weight | ≤68.0g |
| Dimensions | Diameter: ≤21.30mm, Height: ≤70.40mm |
| Internal Resistance | ≤15mΩ |
| Energy Density | Volume: 590Wh/L, Weight: 218Wh/kg |
| Terminal Type | Standard 21700 flat top or button top (customizable) |
Cycle Life
| Condition | Cycles | Capacity Retention |
| 4A Charge / 20A Discharge | 300 | ≥60% |
| 4A Charge / 30A Discharge | 200 | ≥60% |
Discharge Curve
Operating Temperature Range
| Condition | Temperature Range |
| Charging | 0°C to 50°C |
| Discharging | -20°C to 75°C |
| Storage | -20°C to 45°C (recommended for long-term storage) |
Certifications
Key Features
Applications
Usage Warnings & Precautions
Storage Guidelines
Warranty & Disclaimer
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
2020
Total Annual:
15000000-20000000
Employee Number:
300~500
Ecer Certification：
Verified Supplier
Our Mission: Original Innovation, Power the Future! As a high-tech enterprise specializing in the R&D and manufacturing of lithium-ion batteries, sodium-ion batteries, and solid-state batteries. Founded in 2020 in Shenzhen, China’s innovation hub, we are driven by our core philosop... Our Mission: Original Innovation, Power the Future! As a high-tech enterprise specializing in the R&D and manufacturing of lithium-ion batteries, sodium-ion batteries, and solid-state batteries. Founded in 2020 in Shenzhen, China’s innovation hub, we are driven by our core philosop...
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