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- SKU: 07715
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21700 Li-ion Battery 4500mAh 3.7V INR21700-45E Rechargeable Cell High Capacity
The INR21700-45E is a high-performance 21700 lithium-ion rechargeable battery designed for applications requiring high capacity and reliable power output. With a nominal capacity of 4500mAh and a voltage of 3.7V, this cell is ideal for battery packs, electric vehicles, power banks, and DIY electronics projects. Its advanced lithium-ion chemistry ensures stable discharge performance, long cycle life, and low self-discharge, making it suitable for both industrial and consumer use. Built with a durable cylindrical metal casing, the battery offers consistent performance and easy integration into various designs.
Specifications
- Model: INR21700-45E
- Battery Type: Lithium-ion (INR)
- Cell Size: 21700 (Cylindrical)
- Nominal Voltage: 3.6V – 3.7V
- Typical Capacity: 4500mAh
- Minimum Capacity: ~4400mAh
- Nominal Energy: ~16.2Wh
- Charge Voltage: 4.2V
- Cut-off Voltage: 2.5V
- Max Charge Current: 1C (~4.5A)
- Max Discharge Current: 2C–5C (≈9A–20A depending on variant)
- Internal Resistance: ≤19–22 mΩ
- Dimensions: Ø21.7mm × 70.8mm
- Weight: ~65–70g
- Cycle Life: 600–1000+ cycles
- Operating Temp: Charge: 0–45°C, Discharge: -20 to 60°C
Applications
- Power banks & portable energy storage
- Electric vehicles (EVs) & e-bikes
- Solar battery packs
- Power tools
- Flashlights & high-drain devices
- DIY battery packs and robotics
Package Includes
- 1x 21700 Li-ion Battery 4500mAh 3.7V INR21700-45E Rechargeable Cell High Capacity
Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)
