The Marsail 168Wh battery solves a specific problem for portable fridge owners. It’s a dedicated, detachable power source designed to keep your SLCAF01 series fridge running independently from your car’s engine. This means you can pull the fridge out for a tailgate or campsite without worrying about draining your vehicle’s main battery.

With 168 watt-hours of capacity, it provides real-world runtime. For a typical 12V car fridge, that translates to several hours of cooling, depending on ambient temperature and your settings. The unit is surprisingly light at 2.37 pounds, so moving it from the fridge to a charging station is simple. The grey housing feels sturdy enough for regular outdoor use.

Note that an AC adapter is not included, so you’ll need to source one for wall charging. This battery is a straightforward tool for extending your fridge’s utility. It turns a car-dependent cooler into a genuinely portable appliance.