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BMS-EV – Use Your EV Battery as Home Energy Storage and Reduce Your Electricity Bills

Electric vehicle batteries are the most rigorously tested cells on the market. They pass strict automotive safety tests – far more demanding than standard home energy storage systems.

With BMS-EV products, using this technology in your home is simple and enjoyable!

BMS-EV Monitor LCD 7 Touch

Monitor LCD 7″ Touch
Wireless WiFi transmission, built-in 6000mAh battery. Real-time battery status monitoring. Data history for at least 2 years.

BMS-EV Controller

BMS-EV Controller
The heart of the system – communication with inverter and EV battery. WiFi configuration, web interface, MQTT. Support for two identical batteries with one controller.

BMS-EV Cloud

BMS-EV Cloud
Remote battery monitoring from anywhere in the world. Real-time charts, data history, alarm notifications. Annual subscription.

Why Are EV Batteries Better?

🔋 Automotive-Grade Certified Cells

EV batteries pass tests according to UN 38.3, UL 1973 and IEC 62933 standards – the most rigorous safety standards for lithium-ion cells. Typical home storage doesn’t have to meet such strict requirements.

💰 30-70% Savings Compared to New Storage

EV batteries retain 70-80% capacity after their service in the car. With 60-100 kWh capacity, they can power an average home for a whole week! The cost of such a solution is a fraction of the price of new energy storage.

🌱 Ecology and Second Life for Batteries

Instead of disposal – utilization. You extend the battery life by another 10-15 years, reduce your carbon footprint and support the circular economy. New EU regulations (2023/1542) require 70% recycling of lithium batteries by 2030.

⚡ 5-8x Less Stressed Than in a Car

At home, the battery operates in much gentler conditions – no sudden accelerations, extreme temperatures and continuous fast charging. This means longer life and stable operation.

How Does It Work?

☀️ PV → Inverter → Home – solar energy powers your home ⚡ Inverter → BMS-EV – surplus goes to storage 🔋 BMS-EV ⇆ EV Battery
Battery Management Controller
– intelligent energy management

Compatibility

BMS-EV works with batteries from the most popular electric vehicles:
  • Nissan Leaf (24-62 kWh)
  • Tesla Model S/3/X/Y
  • BMW i3
  • Volkswagen ID.3/ID.4
  • Hyundai Ioniq/Kona
  • and many others…
Supported inverters: FoxESS, SMA, Solax, Sungrow, Sofar, Deye, GoodWe and others.

Safety First

⚠️ Working with high voltage is dangerous – that’s why BMS-EV has multi-layer protection systems:
  • Continuous voltage monitoring of each cell
  • Temperature control with automatic shutdown
  • Insulation resistance analysis and leakage protection
  • FAULT mode – immediate stop when anomaly detected
  • Compliance with UL 1974 and IEC 62933-5-3 standards

Net-Billing and Savings

With net-billing, energy fed to the grid is settled cheaply, while purchased energy is expensive. BMS-EV stores surplus in the EV battery and allows you to use it in the evening when solar energy is no longer available.
  • Self-consumption up to 90%+ instead of 30%
  • Return on investment in 3-5 years
  • Grid independence during outages

Why BMS-EV?

✅ Compatible with many inverters and EV batteries
✅ Advanced BMS with monitoring of each cell
✅ Home Assistant integration (MQTT, autodiscovery)
✅ WiFi monitoring, web panel and 7″ screen
✅ Plug & play – no programming required
✅ Technical support and documentation

For Whom?

🏠 Homeowners with photovoltaics
🔧 PV and RES installers
🚗 Electric vehicle owners
⚡ Off-grid and renewable energy enthusiasts
👉 Order now and start saving!