Soshine 21700 3.7V 4000mAh 20A Battery Description
The Soshine 21700 3.7V 4000mAh 20A Battery delivers a 4000mAh capacity and 20A discharge rate, ideal for high-drain devices. For example, it powers flashlights or vaping mods efficiently, as noted on torchsa.com. Plus, its unprotected design suits advanced users. Therefore, this Soshine 21700 4000mAh battery for vaping is perfect for enthusiasts.

High Capacity and Performance
This battery offers a true 4000mAh capacity and 3.7V nominal voltage, with a 20A discharge rate (torchsa.com). For instance, it provides stable output for high-drain applications like vaping or flashlights (soshine.com.cn). Meanwhile, its low internal resistance of 15-16mΩ ensures efficiency (torchsa.com). Thus, it’s a reliable choice for demanding tasks, though it requires careful handling due to its unprotected nature.

Unprotected Design for Advanced Users
The Soshine 21700 3.7V 4000mAh 20A Battery is unprotected, lacking a built-in PCB, making it suitable for devices with external battery management systems (torchsa.com). Plus, it’s designed for high-drain use, supporting up to 3C discharge (soshine.com.cn). However, it should not be charged above 4.25V to avoid reducing its lifespan (turboled.sk). Additionally, it’s rated for 500+ charge cycles, retaining 75-80% capacity after 500 cycles (turboled.sk).

Compact and Versatile Use
This Soshine 21700 4000mAh battery for vaping measures 21.5mm x 70.5mm and weighs 71g, making it compact for various devices (torchsa.com). For example, it’s ideal for flashlights, vaping mods, or electric tools (soshine.com.cn). Moreover, its cylindrical design fits standard 21700-compatible devices (turboled.sk). It’s a great choice for users needing a high-performance battery, though it requires proper storage at 30-50% capacity (torchsa.com).

Key Features and Specs
The Soshine 21700 3.7V 4000mAh 20A Battery is built for performance. It has a 3.7V nominal voltage and 4.2V maximum (torchsa.com). Plus, its high discharge rate makes it versatile, as noted on soshine.com.cn. With a 1-year warranty (torchsa.com), this battery excels for flashlights or vaping, offering reliable power for advanced users with proper safety precautions.

What’s Included
The package includes the Soshine 21700 3.7V 4000mAh 20A Battery in a color box (torchsa.com). Additionally, a 1-year warranty ensures reliability, and TorchSA offers free shipping on orders over R1000 (torchsa.com).

Specifications Overview

• Type: Cylindrical Li-ion Battery (Unprotected)
• Size: 21700
• Nominal Voltage: 3.7V
• Maximum Voltage: 4.2V
• Capacity: 4000mAh (Minimum: 3900mAh)
• Discharge Rate: 20A (Max 3C)
• Internal Resistance: 15-16mΩ
• Dimensions: 21.5mm x 70.5mm
• Weight: 71g
• Warranty: 1 Year