GANETZO ON/OFF Battery Disconnect Switch 12V-48V, 275A | Negative Side Post, Vertical

Overview

The GANETZO ON/OFF Battery Disconnect Switch is a rugged, versatile tool engineered to isolate power in 12 to 48V DC systems. It’s designed to work across marine, RV, automotive, trailer, and heavy equipment setups, helping you manage parasitic drain with a clear, deliberate on/off action. While it can handle demanding current needs, it’s best viewed as a practical power control option rather than a guaranteed life-extender for batteries. The device supports 275A continuous, 500A intermittent, and up to 1300A momentary current at 12V, offering a broad operating range without requiring a rewrite of your existing wiring.

Simple, tool-free setup

Directly connects to standard side post batteries with 17–19 mm terminals, delivering a straightforward install in under five minutes. No extra parts or complicated wiring are needed. Note that the switch requires a firm rotation to engage and disengage, ensuring stable operation even after repeated use.

Rugged, weather-ready design

The reinforced ABS housing stands up to heat and moisture, while a smooth switching mechanism supports long-term reliability in harsh environments—whether dockside, on the highway, or off-road.

Universal compatibility in a compact form

Designed to fit most top-post batteries, the compact design respects tight spaces without interfering with existing systems. This makes it a flexible choice for cars, boats, ATVs, trailers, and other equipment with restricted room‑to‑move areas.

Usage scenarios and practical benefits

• Ideal for seasonal equipment and seasonal storage to reduce unwanted battery drain.
• Suitable for marine vessels, RVs, trucks, and trailers needing reliable isolation when not in use.

Key specs at a glance

• Voltage range: 12–48V DC
• Current rating: 275A continuous, 500A intermittent, 1300A momentary at 12V
• Terminals: 17–19 mm side-post negative connections
• Housing: reinforced ABS for heat and moisture resistance
• Operation: deliberate on/off action with firm rotation

What you get and support

Compact, durable switch ready to join your power system, backed by ongoing support to help you troubleshoot or clarify installation steps as needed.