




Joinfworld Remote Battery Terminals are a 250A, brass 3/8" stud charging and jump-post kit with protective covers designed to give easy, safe access to vehicle and marine batteries.
Whether you need a convenient place to connect a charger, jump-starter, or auxiliary power lead, these remote battery posts create an accessible terminal away from your battery box. Built in heavy-duty brass and rated for 12V/250A service, the kit mounts through a thin panel and provides large studs that accept thicker gauge wiring for higher-current tasks. The snap-on covers help keep the exposed contacts free of moisture and debris when not in use, making this a practical upgrade for cars, trucks, boats, ATVs, and off-road machines.
By relocating a solid connection point to a more convenient spot, the terminals reduce the need to reach into tight engine bays or battery compartments. The 3/8" studs accept heavy gauge ring terminals, letting chargers and jumper cables make a reliable, low-resistance connection quickly.
The terminals are machined from brass for reliable conductivity and corrosion resistance in automotive and marine environments. Their 250A current rating and heavy construction provide secure connections for repeated charging cycles and roadside jumps without excessive heating.
Installation requires a 1-1/4" mounting hole in a panel up to 0.3" thick; the post assembles with a nut and washer beneath the panel for a secure fit. The design is universal for 12V systems, making it suitable for passenger cars, trucks, boats, ATVs, and side-by-sides such as Can-Am models.
Yes — the 3/8" studs are chosen to accept larger ring terminals and thicker cable, which reduces voltage drop under load and improves charging efficiency. The 250A rating covers many charging and accessory demands, though permanently powering high-draw systems should follow wire size and fuse recommendations.
Who is this for: The Joinfworld remote battery terminals suit DIY mechanics, boat owners, truck drivers, and off-road riders who want a safer, easier way to access battery power without reaching into cramped battery compartments. If you repeatedly charge batteries, use external jump starters, or add temporary accessories, this brass 3/8" stud post kit adds durable, low-resistance connections and weather protection in a compact, installable package.
Q: Can I mount the post through my boat dash?
A: Yes — it fits panels up to 0.3" thick using a 1-1/4" hole and the protective cap helps resist moisture.
Q: What wire and terminal size should I use?
A: Use heavy-gauge wiring with ring terminals sized for 3/8" studs and fuse according to your device's current draw.
Free shipping across Canada on every order, with no minimum. Orders are processed within 1 business day and standard delivery across Canada usually takes 2 to 5 business days after processing, with tracking by email. See the shipping policy.
Free 30-day returns. You have 30 days from delivery to start a return. Return shipping is free: email us your order number and we send a prepaid label. See the return & refund policy.
Not sure it fits? Email northtrailauto@gmail.com with your year, make, model and engine and we reply within 1 business day.






