6 Slot 18650 Battery Case Portable DIY Power Bank Box with USB 5V and 12.4V Dual Output IP67

Boost your portable power wherever life takes you. This 18650 Battery Case lets you build a reliable custom battery pack using six 18650 lithium batteries without spot welding, helping improve battery performance and lifespan. Designed for DIY enthusiasts, cyclists, campers, and makers, it features dual 12.4V DC and 5V USB outputs to power phones, LED lights, bicycle lights, and more. Its IP67 waterproof housing, LED power indicator, and built-in safety protections make it a dependable DIY Power Bank solution for indoor and outdoor use.

Key Features

• Supports 6 x 18650 Battery Holder cells (batteries not included).
• Dual outputs: 12.4V DC and 5V/2A USB for versatile charging.
• IP67 waterproof enclosure for outdoor reliability.
• No spot welding required for easy battery installation.
• LED power indicator with overcharge, over-discharge, reverse polarity, and balanced charging protection.
  
  

Why Choose Our 6 Slot 18650 Battery Case Portable DIY Power Bank Box with USB 5V and 12.4V Dual Output IP67

Unlike standard battery enclosures, this model combines waterproof protection, dual-voltage output, and multiple built-in safety features in one compact design. Easy battery replacement eliminates permanent battery packs, giving you greater flexibility, lower maintenance costs, and longer product life.

Perfect For

DIY electronics projects, camping, cycling, emergency backup power, LED lighting, security devices, portable equipment, outdoor adventures, workshops, and makers needing a compact rechargeable power source.

Power Your Projects Anywhere

Upgrade your portable power setup with a dependable battery box built for flexibility and convenience. Order today and enjoy reliable energy for your favorite devices wherever you go.