![]() ![]() I have used both in a sump pump application, and the marine batteries work as well or better.īeyond all this, I would suggest you just rip out the whole system and put in real back up system consisting of a second AC powered primary pump and a battery powered DC-AC inverter to keep it running during power outage. but how often do you expect to run your pump till the battery dies?. 500 times (like a golf cart battery), while a "marine" deep cycle can only be deep discharged 100-200 times. get a group 27 or 31 deep cycle battery, whatever fits your battery case. even with their water alarms.įirst to answer your question directly - yes you can use a standard deep cycle marine battery from walmart - and I would recommend it if you choose to keep the system. many many examples of these systems cooking the batteries in less than 2 years. ![]() I am surprised you got 10 years out of the battery. the specs don't say if its a true 3 stage charger or a simple float charger like the other bwd systems. Your system is essentially a basement watchdog system like you get at home depot (both made by Glentronics). ![]()
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