Samlex BGW-40 Waterproof Battery Guard - 40 Amps

The BGW-40 Waterproof Battery Guard is the ultimate protection solution for your marine and boating electrical systems. Designed to intelligently manage and safeguard your battery, this robust device ensures optimal performance and longevity of your batteries while protecting your valuable electronic appliances from voltage-related damages.

Intelligent Battery Management

The BGW-40 Waterproof Battery Guard is a user-programmable, fully waterproof device that intelligently monitors and manages your battery's health. It prevents excessive discharge, which can severely damage your battery, and shields your electronics from overvoltage conditions. Equipped with an Automatic Board System Detection, the BGW-40 seamlessly adapts to both 12V and 24V battery systems, ensuring versatile compatibility for various marine and boating setups.

Key Features

• Customizable voltage thresholds with 10 on/off settings using easy jumper configurations
• Supports 12V and 24V battery systems through automatic voltage detection
• Handles up to 40A continuous load and 45A transient load, making it suitable for high-demand applications
• Fully waterproof design, ideal for harsh marine environments
• Equipped with additional options for a remote off switch and alarm outputs for buzzer, LED strips, or relays
• Prevents battery over-discharge and protects connected electronics from overvoltage caused by faulty alternators or chargers

Applications

Perfectly suited for a range of marine and boating applications, the BGW-40 Waterproof Battery Guard ensures reliable performance and protection in the following areas:

• Marine vessels, including boats and yachts
• Automotive setups requiring robust battery protection
• Recreational vehicles with extensive electrical systems

Technical Specifications

Specification	Details
Input Voltage	6-35 VDC
Output Voltage	6-35 VDC
Amperage	40 Amps Continuous / 45 Amps Transient
Weight	0.4 lbs / 0.2 kg
Dimensions	2.44" x 2.83" x 1.26" (62 x 72 x 32 mm)

Additional Specifications

• Type: Covers
• Box Dimensions: 2"H x 3"W x 3"L
• Weight: 0.45 lbs
• UPC: 622988086472

Documentation and Resources

• Quick Guide (PDF)
• Owner's Manual (PDF)
• Brochure (PDF)

Watch It in Action

Note: No battery is included with the BGW-40 Waterproof Battery Guard.

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.