![]() The standing rate of a 220 amp battery after engine is turned off ,will register 13.5/8 volts without load, it will settle back to 12.5 to 12.75v which is excellent for any battery. If one starts the mains engine with voltage on mains start battery showing 13.8V at 1000rpm the microprocessor will cut in to recharge the auxiliary battery, to full charge 13.8 to 14.4 whilst engine is running via an alternator. Rear aux deep cycle marine battery 220 amp standing for three weeks with out a trickle charge via a CteK 2550 seven stage recharge. Last weekend upon doing a full Annalise of the cold crank start alternators condition plus the state of battery.Ĭompatibility of acceptance for a standing battery after 10 minutes,preferably overnight for an accurate test.ġ1,7 or less battery is in a discharged rate. This particular Projecta unit is almost 6 years old the alternator is original as is the mains start battery. The ideal state for a mains start battery in good to excellent condition is 13.02V measured at 611CCA with a rating as an example of 700CCA deep cycle mains battery. if the voltage drops below 11.8 v at 10.29/2V it will automatically cut off. Warning the danger on a manual override is dependable! on the state of the mains start battery holding charge. with an immediate kill battery switch at mains start battery, when not required.Īuto charge will kick in to recharge the aux when required, if the mains start battery is holding a voltage of 13.2V this can done manually if required. This unit is a microprocessor and is safe to use on a 80 amp alternator.as per manufactures written guidelines Its charging capacity is 500 mA standby 30mA.Īs indicated the aux battery is fully fused between the aux back to an inline 175A fuse. Specification's state 125A 175A peak max 180A Most in time just burn out the diode or regulators packs and or damage pulleys and clutches regularly on a RV type application.īlue seas has an excellent range ,But you must match your alternator to the range of an isolator many off, and battery type for maximum recharging of your battery's capacities to charge back to a safe level. No alternator will fully charge a battery under charge from alternator with accessory's running under load such as an air condition system.Ģ00 amp+ battery's on auxiliary, require an alternator to run for 6 hrs for a part charge only. to 40% below a battery's holding charge.at 13.2 volts measured at 621CCA with a rating of 700CAA and that's just for a lesser 80 to 100 amp battery. Please consider this as to multiple aux batteries that are in the 200amp + range that has depreciated in holding volts and or amperage. This is the precursor to a perfectly managed aux battery system in part thereof as to to a total Battery management system that will last you for years,providing you match your mains start deep cycle battery to AGM or Marine deep cycle aux battery. ![]() I need to locate a tiny AC breaker box but I can't find anything that is not really big. Has anyone tried that?Īny other advice for dual battery mounting setup is welcome, I have a 2000 Amp inverter and I'm doing a bunch of AC wiring too. Seems like there is a lot of space under the hood on the opposite side, if I moved the windshield washer fluid resevour I might be able to squeeze a battery over there. My son already can't touch his feet to the floor, has anyone found a Lead acid battery with mounting on the side that will fit in that compartment? AGM's are so wicked expensive. Still on the fence on whether to get a large AGM and lay it on its side or put a Lead acid upright under the pass seat and raise the swivel up another. I'm going to have to move the stereo and the aux diesel heater to the deep cycle battery so if anyone has any advice for that I'd love to hear it. Anyone know if the sprinter has any of that stuff on it? This is the mounting kit with the 50 amp fuseĪlso there is lots of weird instructions for old GM's and Hondas and such that say the alternator might have some kind of crazy sensing mechinism to see if there is a battery that it is charging and whether it has voltage. The unit is pretty big too and has lots of fins so I'm wondering where is the best place to mount it. In any case, for mounting I'm wondering where the fuse is supposed to be (between the amp and the isolator I would guess) and how can I tell what amp alternator I have? I think the mounting kit is for wimpy 50 amp alternators. It looks like I screwed up, the manual for the Noco alternator says if I have a 140 amp alternator I should us 2 AWG wire no more than 5' of it. I also bought a mounting kit for it with a 50 amp fuse and only 8 AWG wire. I have the rear huge AC unit so I believe the car has the massively oversized alternator. I bought a battery isolator 140 Amp for my 2004 sprinter camper conversion.
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