battery

brianlocke2012
brianlocke2012 Registered Users Posts: 2 ✭
in New Battery Technologies #1
I was reading Marc Kurth's post on another forum and when I clicked his name, I wound up here. so I am going to ask my question to him or anyone else. I need new Deep cycle for my RV, I don't want wet, so looking at 12v agm, lifeline is tooting their wedsite of having advanced agm, and Marc says he sell concord xtender/lifeline and they honor warrenty. I see only 1 yr of concord but 5yr pro rated and 1 yr free replacemeny, so I am trying to justify that both these cost 2x what I can get of other brands, like NPP, now I heard there are only 2 places in the USA making batteries, so I am confused. any input? anyone?

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  • brianlocke2012
    brianlocke2012 Registered Users Posts: 2 ✭
    #2
    5yr/1yr was lifeline
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  • mcgivor
    mcgivor Solar Expert Posts: 3,854 ✭✭✭✭✭✭
    #3
    The question is basically would it be better to pay double to get a warranty, I'm of the opinion it may be better to go the less expensive route, if they last any more than 50% of the more expensive you are ahead of the game and will have new replacements rather than half, or more depleted, but again just an opinion.
    Warranties are always factored into the price, usually redeemable by purchasing from the same company, read the fine print, then read again, often there are clauses missed, such as maintenance documentation requirements for redemption and the like.
    1500W, 6× Schutten 250W Poly panels , Schneider MPPT 60 150 CC, Schneider SW 2524 inverter, 400Ah LFP 24V nominal battery with Battery Bodyguard BMS 
    Second system 1890W  3 × 300W No name brand poly, 3×330 Sunsolar Poly panels, Morningstar TS 60 PWM controller, no name 2000W inverter 400Ah LFP 24V nominal battery with Daly BMS, used for water pumping and day time air conditioning.  
    5Kw Yanmar clone single cylinder air cooled diesel generator for rare emergency charging and welding.
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  • Photowhit
    Photowhit Solar Expert Posts: 6,006 ✭✭✭✭✭
    #4
    brianlocke2012 said:
    I was reading Marc Kurth's post on another forum and when I clicked his name,
    If you put an @ ahead of his name he may get a message that someone has paged his spirit! @Marc Kurth 

    Sometimes the 'pro rated' warranties are really only about 2/3rds as long as they seem. They are based on the retail value, if you paid a discounted price the warranty basically expires when the pro rated value has ended. Hence a $5 retail battery you bought for $3, only, really has a 3 year prorated warranty. Worth checking into.
    Home system 4000 watt (Evergreen) array standing, with 2 Midnite Classic Lites,  Midnite E-panel, Magnum MS4024, Prosine 1800(now backup) and Exeltech 1100(former backup...lol), 660 ah 24v Forklift battery(now 10 years old). Off grid for 20 years (if I include 8 months on a bicycle).
    - Assorted other systems, pieces and to many panels in the closet to not do more projects.
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