I see a lot of automotive battery testers on amazon that are rated for CC amphr batteries but can anyone recommend a good Battery load tester that would work for 200 amphr battery's.
Your inverter ! Figure out how you want to test the battery, at the C20 rate, or for a 10 min max load. Size the load on the properly rated inverter, and start cooking ! Use a DC clamp on ampmeter to verify the load calculation is correct. Use a DC voltmeter to monitor the battery sag & recovery voltage
However, most true deep cycle batteries don't have a CCA spec, and many have a peak allowable surge spec (max amps) before the internals start to melt
Powerfab top of pole PV mount | Listeroid 6/1 w/st5 gen head | XW6048
inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A
NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole |
Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor
(1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
|| Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
|| VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A
Comments
Figure out how you want to test the battery, at the C20 rate, or for a 10 min max load.
Size the load on the properly rated inverter, and start cooking ! Use a DC clamp on ampmeter to verify the load calculation is correct.
Use a DC voltmeter to monitor the battery sag & recovery voltage
However, most true deep cycle batteries don't have a CCA spec, and many have a peak allowable surge spec (max amps) before the internals start to melt
|| Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
|| VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A
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gen: http://tinyurl.com/LMR-Lister ,
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