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

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

1. Are these batteries protected or unprotected?
   These are unprotected high-drain batteries designed for devices with built-in protection.

2. Can these be charged with a standard lithium-ion charger?
   Yes, but ensure the charger supports 21700-size lithium-ion cells.

3. What is the lifespan of these batteries?
   With proper use and charging, they can last several hundred charge cycles.