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1. General Specifications Battery Model: 21700 Lithium Ion Nominal Voltage: 3.7V Nominal Capacity: 4000mAh (4Ah) (at 0.2C Discharge) Internal Resistance: ≤15mΩ (Measured at 1kHz AC) 2. Charging Specifications Standard Charging Current: 0.5C (2A) Fast Charging Current: 2C (8A) Charging Voltage: 4.2V Charge Method: CC-CV (Constant Current-Constant Voltage) Charging Time: ~2.5-3 Hours (Standard Charge) 3. Discharge Specifications…
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21700 3000mAh Product Specification Model: 21700 Rated capacity: 3000mAh Energy: 11.1Wh Minimum Capacity: 2950mAh Rated voltage: 3.7V Discharge Cut-off Voltage: 2.75V Charge Cut-off Voltage: 4.2V Cycle Life: More than 500 cycles Dimensions: Φ21*70mm Weight: 63g Internal Resistance: Less than 18mΩ Standard Discharge Current: 0.2C (600mA) Standard Charge Current: 0.2C (600mA) Max Continuous Discharge Rate: 15C…
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3.7V 21700 5000mAh 3C Main Features 1. High Energy Density Larger Capacity: Typically 3.7V 5000mAh, offering longer runtime compared to 18650 batteries. Higher Energy-to-Volume Ratio: Delivers more power in a compact form, making it ideal for high-energy applications. 2. Extended Cycle Life Made with high-quality lithium-ion materials, achieving 800 charge cycles for enhanced durability. Low…
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Summary of Ebike 48V 20Ah Battery 🚴 E Bike 48V 20Ah Lithium Battery Pack for Ebike – High Density, Safe & Customizable Power The E Bike 48V 20Ah Lithium Battery Pack for Ebike is a next-generation energy solution designed to deliver 5 times higher energy density than lead-acid batteries, dramatically reducing the weight…
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Summary of Samsung 40T 21700 Battery The Samsung 40T 21700 4000mAh Lithium-Ion Battery is a high-energy-density power cell designed for applications that demand both long runtime and high discharge current. With its 4000mAh large capacity, low internal resistance, and the ability to deliver up to 35A continuous discharge, this original Samsung battery is trusted…
