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Re: Dumb questions to (hopefully) help me understand
The upper 25% recharging of lead acid has poor charging efficiency. Between 65% to 75% efficiency. For 230AH battery, last 25% would be 58AH/70% effic., needing about 80 AH. Battery voltage will aver…1 · -
Re: What type of wire in conduit?
THHN if inside conduit. It's all about heat dissipation for given power loss per foot due to wire resistance.. NEC for 14-10 gauge is in range of 2 watts per foot of heating for gauge current limit r…3 · -
Re: How do you go off grid without UPS or generator - daytime only power?
10 minutes is time until Ultracaps drops to 13.3v from between panel Vmp to Voc starting voltage which is minimum input voltage I put in for buck switcher overhead to maintain 12.5v output voltage. A…1 · -
Re: Trace XANTREK SW inverter series with 4.01 software
First thing would be to check AC output freq of generator. Killl-A-Watt or most recent DVM's read frequency, Next would be to try feeding gen into AC1 port instead of AC2 port.1 · -
Re: How much energy to freeze 40 pounds of water?
Your title question is totally different then your verbage question. enthalpy of water is 333.5 Joules/gram That just takes 0 deg liquid to 0 deg solid. (phase change from liquid to solid) 40 lbs (4.…1 ·