21700 Vapcell 4000mAh 3.7V 30A Battery Pack of 2

The 21700 Vapcell 4000mAh 3.7V 30A Battery Pack offers high-capacity energy storage with dependable performance for demanding electronic devices. Designed with premium-grade lithium-ion cells, it delivers consistent power output while maintaining safety and efficiency. This pack of two ensures you have reliable backup or extended runtime for your applications.

With a robust 30A continuous discharge rate, these batteries are ideal for high-drain devices requiring both endurance and performance. Their rechargeable design offers long-term cost efficiency, while the durable construction ensures longevity. Whether for personal gadgets, professional tools, or hobby electronics, these batteries deliver dependable, high-power performance.

Key Features

21700 battery size for higher capacity in a compact form
4000mAh capacity for extended device usage
3.7V nominal voltage for stable performance
30A continuous discharge rate for high-drain applications
Rechargeable lithium-ion chemistry for long-term use
Pack of 2 for convenience and backup power
High-quality cell construction for safety and reliability
Low self-discharge for longer storage life
Consistent voltage output under load
Suitable for a wide range of electronic devices and tools

FAQs

Are these batteries protected or unprotected?
These are unprotected high-drain batteries designed for devices with built-in protection.
Can these be charged with a standard lithium-ion charger?
Yes, but ensure the charger supports 21700-size lithium-ion cells.
What is the lifespan of these batteries?
With proper use and charging, they can last several hundred charge cycles.

21700 vapcell 4000MAH 3.7V 30A BATTERY pack of 2