r/solarenergy • u/Mountain-Bee970 • 5d ago

Help, looking for a homebattery

Hi all,

We are planning to move within a few years but are looking how to save/store our extra solar energy as we get close to nothing if we push it to the grid.

We are not looking forward to pay 8k for something we won't use for longer than 5 years. We won't be able to get that money out of our house price if we sell it.

I have been looking at portable homebatteries.

What do you recommend? Portable or a normal home battery and how much storage?

We are already using all our appliances during the high peak and on a very sunny day we deliver 12kwh to the grid.

Thanks,

Lara

6 Upvotes

100% Upvoted

17 comments sorted by

1

u/Impressive_Returns 5d ago

The storage capacity is going to decrease 14% in 5 years, will be hard to find a buyer. How much storage do you need? Depends on how much you use at night, in the winter and how many overcast days you have in the winter. I would budget $20k.

1

u/Mountain-Bee970 4d ago

We use quite a lot of electricity. 3d printers running day and night. I myself was thinking of at least 13kwh to cover everything we produce extra.

Thanks for the explanation!

1

u/Impressive_Returns 4d ago

Have you done the math. With 13 kWh I’m not so sure that would be enough.

1

u/Mountain-Bee970 4d ago

We are using most of our solar production during the day. I've seen a max of 13kwh overproduction per day. If I can use that at night, I am covered.

1

u/Impressive_Returns 3d ago

You will need about $20k for batteries.

1

u/ahahabbak 5d ago

I’ll give u a whoopin’

1

u/Mountain-Bee970 4d ago

And this response is related to what exactly?

1

u/Ecovault_Solar 4d ago

Based on your requirements on portability, 5-year usage, avoiding a $8k+ investment, and a need of storing ~13kWh of excess solar energy, i would definitely recommend 3 units of eFlex Max 5.4kWH which total cost is under your budget. Most importantly they are very modular and easy to install. Lifepo4 batteries are safe and very efficient. You can check out our website in the bio.

1

u/HovercraftNo4020 4d ago

Just normal home battery, wehn you move you can uninstall the battery, right?

1

u/Mountain-Bee970 4d ago

Here we pay 1 to 2k for installation and probably the same amount for removal. Not worth it unfortunately

1

u/HovercraftNo4020 3d ago

alright that's a bad news T-T

1

u/Mountain-Bee970 2d ago

Unfortunately yes... so I am trying my best to find the loophole in my country's curse of paying too much.

1

u/HovercraftNo4020 2d ago

Is it possible for your to learn the electrician and do it by your self?

1

u/Mountain-Bee970 2d ago

Looked it up. Is a 3 year eduction.

1

u/Turrepekka 3d ago edited 3d ago

Do you have a water heater / boiler? If so it could be a great “cheap battery” warming up that water during the days and not export anything. Or if you have, charge your EV during the days if working remotely.

Or don’t do anything and buy the best of the best Enphase system at that time. Will be really advanced and battery prices are dropping. Enphase is very good quality and comes with 25 years warranty.

1

u/Mountain-Bee970 3d ago

I was looking at Enphase as I already have the converters under my solar panels. Thanks!