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Molicel INR21700 P45B 4500mAh 3.6V 21700 Rechargeable Li-ion Battery Cell – High Power 45A Discharge Battery
The Molicel INR21700 P45B is a premium high-performance 21700 rechargeable lithium-ion battery cell engineered for applications that demand both high current output and strong energy density. With a 4500mAh capacity, 3.6V nominal voltage, and an impressive continuous 45A discharge capability, this cell is an excellent choice for power-hungry devices, custom battery packs, robotics, e-mobility projects, industrial equipment, high-power flashlights, and advanced DIY electronics.
Designed using Molicel’s low-impedance cell technology, the P45B delivers stable voltage under load, improved thermal behavior, and fast charging support while maintaining long service life. Compared with earlier high-drain cells, it offers increased capacity and reduced internal resistance for more efficient power delivery.
Features
- High-capacity 4500mAh (4.5Ah) lithium-ion rechargeable cell
- 3.6V nominal voltage with 4.2V full charge voltage
- Supports continuous 45A discharge for demanding applications
- Low internal resistance for reduced heat generation
- Fast charging support up to 13.5A maximum charge current
- Compact 21700 cylindrical form factor
- Excellent balance of power output and runtime
- Suitable for battery packs, mobility, industrial, and high-drain electronics
- Long cycle life with reliable performance over repeated charge cycles
Specifications
- Model: INR21700 P45B
- Brand: Molicel
- Battery Type: Rechargeable Lithium-ion (Li-ion)
- Cell Format: 21700
- Nominal Voltage: 3.6V
- Typical Capacity: 4500mAh (16.2Wh)
- Minimum Capacity: 4300mAh
- Continuous Discharge Current: 45A
- Maximum Charge Voltage: 4.2V
- Maximum Charge Current: 13.5A
- Discharge Cut-off Voltage: 2.5V
- Dimensions: 21.55 × 70.15mm (Max)
- Weight: Approx. 70g
- Cell Type: Flat Top / Unprotected
Applications
- DIY battery packs
- Electric mobility systems
- Power tools
- RC and drone projects
- Robotics and automation
- Industrial electronics
- High-performance flashlights
- Energy storage prototypes
Package Includes
- 1x Molicel INR21700 P45B 4500mAh 3.6V 21700 Rechargeable Li-ion Battery Cell – High Power 45A Discharge Battery
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)




