BYD
BYD Battery-Box BCU for HVB / HVS+ / HVM+
BYD Battery-Box BCU for HVB / HVS+ / HVM+
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Delivery time: 7-10 working days
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Free shipping within DE & AT from 149€
SKU:BYD0022
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Product details
DESCRIPTION
BYD Battery-Box Premium BCU for HVB / HVS+ / HVM+
The BYD Battery-Box Premium BCU (Battery Control Unit) is the control unit for the latest high-voltage storage systems of the BYD HVB , HVS+ and HVM+ series. It monitors and controls the operation of the connected battery modules and ensures reliable communication with the inverter.
Important NOTE
Not compatible with older BYD HVS or HVM models!
Compatible only with the following series:
- BYD Battery-Box HVB
- BYD Battery-Box Premium HVS+
- BYD Battery-Box Premium HVM+
function
The BCU serves as the central control unit of the battery system. It connects the individual battery modules electrically and digitally to the inverter and handles the monitoring, communication, and security of the entire system.
Product features
- Compatibility: BYD HVB, HVS+, HVM+
- Not compatible with: BYD HVS, BYD HVM
- Function: Control, communication and monitoring of the connected battery modules
- System component: Required per battery system (one BCU required per tower)
- Mounting type: Topmost unit of the battery tower
SHIPPING & RETURNS
Shipping costs: free shipping within the EU for orders over €149; for orders under €149, we charge €5.90 shipping costs.
Switzerland: flat rate €25.00
Returns: You can cancel your purchase within 14 days of receipt and then return the products to us. Please note that for sustainability reasons and a fair pricing philosophy, we only cover return shipping costs in the case of a defect or warranty claim.
MANUFACTURER'S IDENTIFICATION
BYD – Battery Box EU Service Partner
EFT-Systems GmbH
Bruchtannenstr. 28
DE-63801 Kleinostheim
service@eft-systems.de
Frequently Asked Questions (FAQ)
How long does shipping take?
We usually ship all in-stock items within 1–2 business days of receiving payment. Delivery time within Austria is typically 1–3 business days, and to Germany 2–4 business days. You can see the exact availability on each product page.
Can I return my order?
Yes, of course. You can return products within 14 days of receipt. It's important that the items are unused. You can find all the details in our cancellation policy and return conditions.
Please note that for sustainability reasons and a fair pricing philosophy, we only cover return shipping costs in the case of a defect/warranty claim.
Is there a warranty or guarantee on the products?
Yes. All items are covered by the statutory 2-year warranty. Many manufacturers also offer extended warranties, which are specified directly on the product page or in the description.
Should you encounter any problems, simply contact us – we will take care of it.
What happens if there are not enough pieces in stock?
If your desired quantity is not fully in stock, we will send a partial shipment with the available items so that you receive part of your order as quickly as possible. The remaining products will be automatically shipped as soon as they are available again – naturally without any additional shipping costs.


