Product Overview
Battery Box-Xlarge

Keep your onboard power safe and secure with the Attwood Battery Box-Xlarge. This rugged, heavy-duty battery box is designed to protect your Group 29/31 battery from the harsh marine environment, ensuring reliable starts and powering your essential electronics. Built from durable polypropylene, it resists acid, impacts, and extreme temperatures, giving you peace of mind on the water. Its generous size and eight cable openings simplify installation and maintenance, while the integrated handles make it easy to transport.
Key Features
- **Fits Group 29/31 Batteries:** Accommodates larger batteries commonly used in boats and other marine applications.
- **Durable Polypropylene Construction:** Provides superior resistance to battery acid, impacts, and temperature fluctuations (-20°F to +120°F).
- **Eight Cable Openings:** Simplifies installation and allows for flexible cable routing.
- **Integrated Handles:** Makes transporting the battery box easy and convenient.
- **Vented Design:** Allows for safe dissipation of battery gases.
- **Meets ABYC Standard E-10 and U.S. Coast Guard Specification Number 183.420:** Ensures compliance with safety regulations for OEM-installed battery hold-down systems (when used with appropriate hold-down strap - sold separately).
- **Ample Interior Space (15.4L x 7.125W x 9.75H):** Provides a secure and stable fit for your battery.
Specifications
The Captain's Take
After years on the water, I've learned the hard way that a reliable battery setup is crucial. The Attwood Battery Box-Xlarge is my go-to choice. It's tough, well-designed, and keeps my batteries secure and protected, no matter the conditions. It's a small investment that provides big peace of mind, letting me focus on enjoying my time on the water.