Witty Fox 400mAh Rechargeable 3.7v Lithium Polymer Battery

The Witty Fox 400mAh Rechargeable 3.7V Lithium Polymer Battery is a compact, high-performance power source ideal for DIY electronics, wearables, RC projects, and portable embedded systems. With a nominal voltage of 3.7V and 400mAh capacity, this battery features a 1S (single cell) configuration and is designed for reliable and consistent performance.

It supports up to 500 life cycles, making it a cost-effective and durable solution for long-term use. It’s safe operating temperature range of 0°C to 50°C ensures stable operation in various environments, whether you’re powering sensors or microcontrollers.

When understanding how long a 400mAh battery will last, it’s essential to consider the load or current draw. For instance, a 400mAh battery like this one can theoretically supply 1 ampere for 0.4 hours (24 minutes) or 100 milliamps for 4 hours, under ideal conditions.

Please note that “400Ah” refers to a much larger battery, as this model is 400mAh (milliampere-hours) — suitable for low-power applications. Witty Fox ensures safety, efficiency, and performance in every battery, making it a trusted choice for hobbyists and developers alike.

Features:

• 1S (Single Cell) configuration
  
• Life Cycle Up to 500 cycles
  
• Range of Operating Temperatures: 0°C to 50°C
  
• Lightweight and small: ideal for robotics and small electronics projects
  
• Rechargeable: Eco-friendly and reusable