REC Solar REC410AA vs REC 420AA

Tim99
Tim99 Registered Users, Users Awaiting Email Confirmation Posts: 1 ✭
in Solar Product Reviews & Opinions #1
What is the difference between the two? I have read the spec sheets on both and am wondering what the main difference is between the two. I suspect the 420 is an upgrade or newest model. Is it a replacement for the 410? 
I have 25 REC 410AA and want to add 5 more panels. I'm seeing the 410AA is out of stock but still available. Just wondering.
Thanks! 
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  • littleharbor2
    littleharbor2 Solar Expert Posts: 2,102 ✭✭✭✭✭
    #2
    When solar panels are made They're made in large batches are all tested and there's usually slight variations in output power between panels. So the 420 is, I'm going to assume without knowing more about them, has a 10 Watt higher power output than your 410s and mixing them would be no problem whatsoever.

    2.1 Kw Suntech 175 mono, Classic 200, Trace SW 4024 ( 15 years old  but brand new out of sealed factory box Jan. 2015), Bogart Tri-metric,  460 Ah. 24 volt LiFePo4 battery bank. Plenty of Baja Sea of Cortez sunshine.

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  • Graham Parkinson
    Graham Parkinson Registered Users Posts: 168 ✭✭✭
    #3
    To be sure you'd have to compare the Specification sheets available on the REC website.   They are likely exactly the same except that they are sorted differently.  I have the 420 version and they come with a testing sheet and most of them had a few percent higher than 420 W actua performance.

    Offgrid in cloudy PNW

    Full Schneider system with 18 REC 420W panels, 100A-600V controller, XWPro, Insight Home, six Discover AES Rackmount 5kW batteries, Slimline enclosure, Lynk II, AGS, H650,  H2200, H3000 (with Gen Line 2 wire AGS on AC1), Kubota 4500, Onan 7500 (on second AGS and AC2).

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