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Energy storage system based on battery packs from the BMW i3 electric vehicle and the intelligent battery management system 1PS BMS. A powerful high voltage battery is ready to power your house, property or company*.
* compatible hybrid inverter required. Currently supported are Goodwe EH, ET, BT, BH hybrid inverters, we are working on support for wide range of inverters.
When the battery capacity of the electric car is no longer sufficient for longer journeys, it can be replaced with a newer battery in better condition.
But why not use the old one to supply or back up electricity to your house? In combination with solar panels, a hybrid inverter and the 1PS BMS system, the battery is put under much less strain than in a vehicle, allowing it to extend its life considerably.
A drop in battery capacity to 80% is a problem for the owner of an electric vehicle, but for home use the stored energy density to cost ratio is still unbeatable.
We offer retrofitting your i3 battery with 1PS BMS or providing complete i3 battery storage with battery packs from our partners.
Each of our battery packs is thoroughly inspected and its parameters are measured upon receipt. We only offer fully functional used batteries with a SoH of no less than 80%. The price depends on the SoH and overall condition of the battery pack*.
The original BMS system is removed from the battery and replaced with a 1PS BMS system that fits exactly in the original positions and allows the use of open communication protocols for accurate battery measurement and protection, contactor control and cell balancing.
Dimensions | 960 x 1680 x 180mm (w x h x d) |
Weight | 265kg |
Nominal capacity | 20kWh* |
Voltage | DC 400V |
Ingress protection | IP65 |
Cell type | Samsung SDI 60Ah |
Cell count | 96 |
DC Connection (to inverter) | Fuse box with SolarLock connector |
Data connection (to inverter) | none/CAN/RS485 |
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Smart passive cell ballancing | yes |
Over/under temperature protection | yes |
Over/under voltage protection | yes |
Over/under current protection | yes |
State of charge monitor | yes |
Main and precharge contactors | yes |
LAN + Web interface | yes |
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Price (including battery) | 3000€ + 200€ / kWh* |
Price (retrofitting your battery) | 3100€ |
* Actual price and capacity depends on the battery state and it is determined upon receipt of the battery.