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by Heliosmaster
939 days ago
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That makes kinda sense, a Tesla is mostly batteries anyway. Jokes aside, how much batteries do you need? A Tesla Model 3 has 60kWh. That's a lot of battery. For my residential needs (I have solar panels) I would be looking at maybe 10kWh. |
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- Is your goal battery backup or load shifting?
- How much backup do you need?
- What is your energy usage and peak demand during that time?
Peak demand is a big factor: a single Tesla Powerwall 2 for example has 13.5 kWh of capacity but only 5kW of continuous power. A heat pump or AC can exceed that, which is why many people stack multiple batteries to be able to power their homes. (The new Powerwall 3 can supply more power.)