Blue Sea Systems
Blue Sea Systems m-Series Battery Switch, ON-OFF
Compact, ignition-protected battery disconnect. The fastest way to stop parasitic battery drain.
$34.99
Blue Sea Systems
Blue Sea Systems 12V Dual USB Charger Socket
Weatherproof dual USB outlet so phones and fish-finder apps stay charged all day.
$34.99
🚚 Free shipping when your order reaches $99 · Ships in 1–2 business days · In stock
Not sure it fits? Ask a technician →- Dual USB charging ports
- Weather cap included
- Standard socket cutout
- 12/24V compatible
↩️ 30-day returns🔒 Secure Stripe checkout🧰 Tech support (352) 604-0577
About this product
Replace an old cigarette lighter socket or add a new outlet at the helm. Marine-grade construction and a cap keep water out when not in use.
Specifications
| Brand | Blue Sea Systems |
|---|---|
| Ports | 2 x USB |
| Item # | GMS-4004 |
Specifications are provided by the manufacturer. Always verify fitment for your vessel.
Questions
How long will it take to arrive?
Most orders ship within 1–2 business days from authorized distribution and arrive in 2–6 business days in the continental US.
Will this fit my boat?
If you're not sure, call or text (352) 604-0577 with your boat or engine details and a technician will confirm before you order.
Can I return it?
Yes. New, uninstalled items in original packaging can be returned within 30 days.
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