Overall structure
Tools
Skilled personnel recognized
This manual and the tasks and procedures described herein are intended for use by skilled workers only.
A skilled worker is defined as a trained and qualified electrician or installer who has all of the following skills and expenence:
• Knowledge of the functional principles and operation of on-grid systems.
• Knowledge of the dangers and risks associated with installing and using electrical devices and acceptable mitigation methods.
• Knowledge of the installation of electrical devices.
• Knowledge of and adherence to this manual and all safety precautions and best oractices.
Target Group
Installation environment requirements
Max.
+50℃
Min.
-10℃
Flammable material or
gas near the installation
Flammable wall
RH.
+5%~+95%
Packing list
Packing of BCU+BASE
①M6 2pcs ⑧White sealing plug×2pcs
⑦M6×2pcs⑤ Black sealing plug×3pcs ⑥White sealing plug ×2pcs
③ Expansion bolt M6 3pcs
* If connected to the SMA inverter, n = 5-8 Modules
Unless SMA & BYD updates the information.
Direct sunlight Direct rain fall Snow
accumulation
YES YES
NO NO
YES
NO
NO
NO
② M4 3pcs ④OT terminal for Ground×1pcs
Precision screwdriver
Packing of B-Plus H 1.28A
• In order to ensure the normal operation of Battery-Box, please be sure to update the firmware to the latest version and finish the
configuration on Battery-Box webpage in accordance with this document.
• The system switch must be off before installing.
• Please make sure the system switch is off in case of the system not working, and it would be better to repair it again within one
week, avoiding overdischarge or other problems happen.
• Please do not stack up batteries without protective package when storing or handling batteries, unless in the case of installation.
• Please note that this is the quick reference guide only. It is a shortened assistance for the installation of the Battery HV and
does not replace the original installation manual.The original installation manual must be read and understood completely
before installation. Please download and view the installation manual on this website: www.eft-systems.de (Downloads)
n=7, 9.0KWh
n=8, 10.2KWh
n=9, 11.5KWh
Wire clamp Phillips screwdriver Inclinometer Wrench churn drill
n=5, 6.4KWh
n=6, 7.7KWh
BCU
B-Plus H 1.28A
Base
n=4, 5.1KWh
* Whether the inverter supports 4 battery matching, please
consult the inverter manufacturer.