![]() We think we are a little under served by the two 135 watt kyocera panels in the current syste, Thinking of adding a 100 or 150 watt panel… I also saw some Amp/Volt/Watt hour meters with shunt for $17 each and had to see how they work! Toy time for this one… We will put one in system somewhere to access their value!.We are also getting some temperature monitor equipment to keep an eye on the alternator temp while charging and the battery bank temperature.It has user programmable charge voltage settings $210 Solar Charge controller – Replace our e20 from eMarine Inc with a 4215BN EP Tracer 40A 12V 24V MPPT Solar charger Controller regulator with MT50.We will run both the alternator output and the shore power charger through this… $65 Add Diode Battery Isolator – A battery isolator should reduce the charge voltages passing through it bu 0.4 to volts effectively reducing out charge voltages from 14.4 max to 13.4/14.0 max – Sure Power 1202-D Marine Battery Isolator 120 Amp max.Battery Monitor – replace the NASA BM-1 Compact with a Victron BM-702 $218.LiFePo4 batteries – 4 each 100 Ah 12v LiFePo4 “drop in: batteries $870 ea,.Thinking that if you have to spend a fortune to implement the lithium batteries that them become way less attractive! And I’ve just put interesting links found investigating making our house bank a lithium iron phosphate battery bank… ![]() I’ll go over our planned changes, which we hope to keep to a minimum. Having studied the web info, bot all of it I am sure, we hope our installation wcan be relatively clean fairly low impact to the boat systems in place. The ones we ordered are advertised as “drop-in replacement” for lead acid batteries. The LiFePo4 batteries are interesting in that they seem to have conquered the Lithium Ion battery problems of overheating.toxicity, hazardous waste, fire and etc. AGM vo Gel vs LiFePo4 vs vs vs, sufuce it to say we picked the LiFePo4’s … There are many cost comparisons on the web for lead acid vs. We looked at sources and costs and shipping charges and and and… We got a note from friends who said they were driving down from San Diego CA USA to Guaymas Sonora MX and and and we jumped at the opportunity to have batteries shipped to them in San Diego and we will figure out how to get them from Guaymas to where ever we are… Our 4 year old 6 volt GC2 220 Amp hour batteries (4 in the house bank) are showing their age … Lithium IRON Phosphate battery technology – LiFePo4 – looks to be in production world wide and seems to be a safer electrical storage technology than the previous Lithium Ion battery chemistry was for use on a cruising sail boat.
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