haywire
New Member
Considering this and would love to get some thoughts on pairing solar panels + inverter with an MG4 Excite 51 for storage (MG EV With 350Km/220m range and 51KWh LiFePO4 pack and the built in "vehicle to load" feature)
Context
- Off grid with 18KW of panels into a hybrid inverter
- hybrid inverter has generator input (where I'd plug the car's vehicle to load)
- Work from home
- 400Km driving p/week
- 5 - 7 KWh used at night
My thoughts are
Pros
- multi purpose vehicle and storage : If you need a car and energy storage to last the night this could be a 2 in one kinda deal.
- if charge slow and keep it cool-ish and dont chage it to 100 etc etc - the LiFePO4 pack could last quite a while
- Australian dollars - $0.72/Wh(with 90% battery de-rating assumed for a year old car with 5000K's on the clock) or $0.76/Wh for the LFP battery bank in a used ($33,000) or new($39,000) MG4 respectively.
Cons
- can't charge at night
- can't charge and provide battery power at the same time. One or the other
- no power to house when you go on a trip
- Limited peak power output at night (2.5KW only)
Thinking the Cons might be a deal breaker. Perhaps could be supplemented with a single 5KWh battery(+$2500AUD ruixu rack battery for example) on the hybrid inverter to take care of larger loads at night and for a backup when I take the car out.
Anyway, just spitballin'
Context
- Off grid with 18KW of panels into a hybrid inverter
- hybrid inverter has generator input (where I'd plug the car's vehicle to load)
- Work from home
- 400Km driving p/week
- 5 - 7 KWh used at night
My thoughts are
Pros
- multi purpose vehicle and storage : If you need a car and energy storage to last the night this could be a 2 in one kinda deal.
- if charge slow and keep it cool-ish and dont chage it to 100 etc etc - the LiFePO4 pack could last quite a while
- Australian dollars - $0.72/Wh(with 90% battery de-rating assumed for a year old car with 5000K's on the clock) or $0.76/Wh for the LFP battery bank in a used ($33,000) or new($39,000) MG4 respectively.
Cons
- can't charge at night
- can't charge and provide battery power at the same time. One or the other
- no power to house when you go on a trip
- Limited peak power output at night (2.5KW only)
Thinking the Cons might be a deal breaker. Perhaps could be supplemented with a single 5KWh battery(+$2500AUD ruixu rack battery for example) on the hybrid inverter to take care of larger loads at night and for a backup when I take the car out.
Anyway, just spitballin'
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