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Tesla Model S Solar Panel Lithium Battery Bank 41,800 Watt hours, 3 t - $2,359 (Near downtown Prescott)
Robinson near Gurley
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Tesla Model S Solar Panel Lithium Battery Bank 41,800 Watt hours, 3 times the power of Tesla Powerwall
The battery bank is a 386 V lithium-ion battery pack comprising about 4,500 cells and rated at 41,800 watt hours, with maximum power output at129 kW. The battery pack is liquid cooled. Both pumps were just replaced, with online diagnostics completed.
The complete system is waterproof, and is included in the Tesla drive train in a 2013 Toyota Rav4 EV. Only about 2400 of the Tesla drive trains (same as in the Model S) were sold to Toyota. The whole vehicle is included in the sale. It appears the differential is broken, and there is a software issue (which does not affect the operation of the electrical system).
Tesla Powerwall has 13.5 kWh of capacity. This unit has over three times the capacity of a Powerwall. The cost of the Powerwall is about $15,000 -- roughly $1,140–$1,200 per kWh of storage (typical for other Lithium batteries). The cost of this unit is about $56 per kWh of storage.
This unit can be used as a quiet back-up supply, or can be used on a regular basis as an off-grid solar panel power storage. It will provide your home (or several homes) or a business with 1000 watts of power for 41 hours!
Includes an internal charger which works on 220vac or 110 vac cords. The charger was replaced with a new unit about two years ago. The 110 cord is included and the 220 is available.
Note that in the 10 years I’ve had the car, it was charged only about 500 times. These type of Tesla lithium ion batteries have proven to greatly outperform what was expected of them when they were new. They can easily operate after over 15,000 charge cycles. The capacity of the battery pack has dropped only about 7% since new. This is indicated on the dash panel.
You will need to drop down the packs’ 386 vdc power to your requirement. This is not a safe project for you unless you have advanced electrical skills. Hiring a qualified electrician is advised.
The electronics monitor the voltage of all 24 modules. When any one of them goes below 6v, the system considers it empty and stops the system, to prevent severely damaging the empty module. The following software decodes the communications from the BECM which monitors those voltages once per second, and saves the data to a file which you can load into Google Sheets, and then you can color-code the data and SEE which modules are bad. That way, when you take out the pack, you know which modules to replace and which ones are OK. To connect to the car to read this, you need to tap into one wire under the hood and ground, to a USB to Serial cable.
https://github.com/jerkey/rav4dash/blob/main/bmswatch.py