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#1
03-30-2015, 11:56 PM
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When there is a power outage the backup battery kicks in automatically?
Runtime is 36 hours at 50% with an 18Ah battery. What was the approximate cost of the DIY battery build? Thanks! Last edited by byee; 03-31-2015 at 12:08 AM. 
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#2
03-31-2015, 12:19 AM
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I'm not convinced about the 36 hour runtime - just what I got off the web.
We had an overnight outage and if I recall correctly, 12 hours brought the battery down by 50%. But that was with 2 MP10s running. Costs are in the first post but are over 3 years old now. I'm happy with the trickle charger. After 3 years I hooked the battery up to my car battery charger and it was @ 100% nearly instantly, so the little charger is doing it's job.
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#3
07-12-2018, 01:58 AM
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My little Canuck Tire trickle charger is still going strong, and my original battery purchased back in Dec 2011 is also still good.
Some time back in 2016 I purchased a second battery to double my run time. This also allows me to overlap the original battery as it ages. I connected both batteries' positive and negative posts together with 10ga wire, and connected the charger's positive to 1 battery, with the charger's negative connected to the other battery. This ensures both batteries receive a ballanced charge. I also connected my MP10s to 1 battery's positive and the other battery's negative. This way the pumps draw from both batteries equally. My run time for 2 pumps should be 72 hours @ 50%, but even if I only get 1 day it's enough. I think, now that the original battery is 7 years old, I'll replace it soon.
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Hybrid Mode
