I like the form factor of these. http://www.ebay.com/itm/NASA-Clipper-BM1-Battery-Monitor-Instrument-12-Volt- /351647928858?hash=item51dfd9921a:g:0nYAAOxy5jxSbmEk
These have a good reputation: http://www.ebay.com/itm/Victron-Energy-BMV700-Precision-Battery-Monitor-FREE -SHIPPING-/252284067804?hash=item3abd4d5fdc:g:0d0AAOSwFqJWs6km <http://www.ebay.com/itm/Victron-Energy-BMV700-Precision-Battery-Monitor-FRE E-SHIPPING-/252284067804?hash=item3abd4d5fdc:g:0d0AAOSwFqJWs6km&vxp=mtr> &vxp=mtr http://www.ebay.com/itm/Victron-Energy-BMV700-Precision-Battery-Monitor-FREE -SHIPPING-/252284067804?hash=item3abd4d5fdc:g:0d0AAOSwFqJWs6km <http://www.ebay.com/itm/Victron-Energy-BMV700-Precision-Battery-Monitor-FRE E-SHIPPING-/252284067804?hash=item3abd4d5fdc:g:0d0AAOSwFqJWs6km&vxp=mtr> &vxp=mtr I have one of these in my shed - I used it on my old panel and it was/is quite accurate. http://www.ebay.com/itm/Marinetics-Corp-Marine-Analog-8-16-DC-Volts-Battery- Monitor-Gauge-Panel-Meter-/141887132805?hash=item210921d485:g:b40AAOSwuTxWA~ ev <http://www.ebay.com/itm/Marinetics-Corp-Marine-Analog-8-16-DC-Volts-Battery -Monitor-Gauge-Panel-Meter-/141887132805?hash=item210921d485:g:b40AAOSwuTxWA ~ev&vxp=mtr> &vxp=mtr Blue Seas isn't cheap, but it looks nice http://www.ebay.com/itm/Blue-Sea-Systems-8235-THREE-3-BANK-DIGITAL-VOLTAGE-B attery-MONITOR-volt-Meter-DC-/172098506515?hash=item2811decf13:g:dPkAAOSwMmB V02sY <http://www.ebay.com/itm/Blue-Sea-Systems-8235-THREE-3-BANK-DIGITAL-VOLTAGE- Battery-MONITOR-volt-Meter-DC-/172098506515?hash=item2811decf13:g:dPkAAOSwMm BV02sY&vxp=mtr> &vxp=mtr All these are self-powered (two wires, no separate supply) LED or LCD volt meters. I started with LED, but found them too bright at night, so I switched to LCD. http://stores.ebay.com/Elite-element/Doesnt-require-POWER-/_i.html?_fsub=280 3756012 <http://stores.ebay.com/Elite-element/Doesnt-require-POWER-/_i.html?_fsub=28 03756012&_sid=897140872&_trksid=p4634.c0.m322> &_sid=897140872&_trksid=p4634.c0.m322 My amp meter is like this one. I run it from an isolated supply: http://www.ebay.com/itm/DC-0-200A-Positive-Negative-Current-Minus-AMP-Meter- Battery-Monitor-Updated-MZ-/180562139657?hash=item2a0a579a09 I might buy this to see how it works: http://www.ebay.com/itm/DC-Programmable-0-90V-0-200A-Voltage-Current-Ah-Powe r-Meter-Battery-AGM-SLA-LEAD-/180463308411?hash=item2a04738e7b Hope this helps Joe Della Barba j...@dellabarba.com <mailto:j...@dellabarba.com> Coquina
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