![]() ![]() It costs roughly 3X as much to get some true capacity from one as just using a SLA battery instead, but can still be handy to recharge a phone, keep vehicle memory when swapping the primary battery, or long lasting flashlight for emergencies if it has one built in. Cigarette lighter repair or replacement cord. When a shop needs to change your battery, they plug one of these into a cigarette lighter port, then take the battery out. Wide Compatibility The cigarette lighter cable can apply to most types of cigarette lighter sockets, widely used in outdoor mobile power, RV, boat. Cigarette Lighter Plug with 9 ft retractable cord 12V, 16 guage. It's easy to market the Li-Ion for small size and low cost but then you get low performance. Generally speaking, cigarette lighter ports are bi-directional, thats how memory keepers work. No real need for direct connection to the battery for something that low capacity, it's going to be one of those "one shot" types where the only hope for all but the smallest engines in warm weather, is getting charge back into the primary battery, or of course if it wasn't very drained in the first place. Whirlpool Portable Microwave For Car, 0.5 Cu. So 4 x 18650 cells in it, or equivalent flat packs. It’s an Anker power drive 2, says on it Input: 12/24V -> 3A. This is supposed to work for phones but I’ve never used it for my laptop as I’m afraid it’ll break it. As far as powering this device is concerned, it works only when plugged in, and there are two types of plugs for wall outlets and cigarette lighters in cars. This can work through a lighter outlet if it isn't terribly corroded, and of course is electrically connected in your off or aux vehicle ignition switch state (keeping fans, lights, radio off etc), but obviously not as well as having a higher amp capable direct connection to the battery through clamps. 1 I’m not sure this is the same thing as the 100w inverter i saw mentioned in another answer. ![]() ![]() Thus the best way to use them is on a drained, not electro-chemically compromised, dead battery, where you put the jump pack on and let it get some charge back into the primary battery, waiting as long as your patience allows (minutes or more). The vast majority of those Li-Ion jump packs are severely overrated, and "IF" they can even deliver 100A or more (at a cranking voltage, current at short circuit is meaningless), need a cutout circuit to keep from damaging themselves after a few seconds cranking. A good quality cigarette lighter type low voltage plug with LED indicator is useful for connection all sorts of portable apparatus on a boat or when. ![]()
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