![]() ![]() That said, some leeway can be given if you have upgraded to LED lighting and/or have an inverter and upgraded some electronics (like picture tube TVs to LCD) in which case 60 amps is probably fine. If the converter cannot keep up with your 12-volt power demands and still have plenty of current left to charge the battery, it will take longer to charge them.Īs a rule, manufacturers don't put converter/chargers that are way overpowered in their units as it would be a "waste of money" with no great benifit.so you probably want to shoot for as close to your original units current capacity as possible. If you tend to use your batteries a lot between charges (this really assumes you have no or minimal solar) and you want to be able to recover them quickly, the more current the charger can produce, the quicker it will recharge them.during the bulk charge phase, which is where you get most of your charge back.Īlso, when plugged in, your converter/charger is running all of your 12-volt devices (probably lights, A/C controls, refer controls, Inverter if you have one, etc.). You could charge a battery with a 5 amp charger.if you have a few days. In general, the lower the current capacity, the longer it will take to charge a "drained" battery. The original one is rated at 75AMP, can I use the 60AMP or the 55AMP version? Other popular choice is the PowerMax brand.Ī: Powermax PM4 60A 110V AC to 12V DC 60 Amp Power Converter with. Searching the forum, it seems like the Progressive Dynamics PD9270V is a nice upgrade, single stage to four stages.Ī: Progressive Dynamics PD9270V Inteli-Power 9200 Series Converter/C.īut at $349 that is little bit too expensive. ![]() The three 8D batteries probably never got fully charged. It is probably dead after almost 30 years in service. It emits very loud buzzy sound, but the voltage on batter terminal is still around 12.4V same voltage as no shore power connected. The Magnetek converter charger is pretty warm. But I noticed that the battery is not being charged. Bought a new 8D batter (ouch), hooked up and coach is back to life. Out of three 8D batteries, two are measured at 5 Volt, one at 11 volt. After the recent Texas freeze, I went to check the coach and it is dead. ![]()
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