EU Declaration of Conformity
Number: 20250630-004
1. Battery Model
Battery model: LVS
Product category: Lithium ion batteries
2. Manufacturer Information
Manufacturer Name: Shenzhen BYD Electronics Co., Ltd.
Address: No.1, Yan'an Road, Kuichong, Dapeng, Shenzhen, P.R. China
Authorized Representative Name: EFT-Systems GmbH
Address: Bruchtannenstr. 28, 63801 Kleinostheim, Germany
3. Declaration Statement
This declaration of conformity is issued under the sole responsibility of the manufacturer.
4. Subject of Declaration
Subject: Battery-Box Premium Module
The battery system comprises modules, including: cells, wiring harness, PCBA, case and blind-mating connectors.
[Battery Module Diagram]
Nominal voltage: 51.2 V
Nominal Capacity: 78.2 Ah
Weight: 44.6 kg
5. Conformity with EU Legislation
The object of the declaration described in point 4 is in conformity with the relevant Union harmonisation legislation: (EU)2023/1542, 2014/53/EU, 2011/65/EU, including its amendment (EU)2015/863, (EC) No 1907/2006.
6. References to Standards
References to the relevant harmonised standards or the common specifications used or references to the other technical specifications in relation to which conformity is declared: IEC62619, IEC62040, VDE2150, UKCA, UN38.3, EN 300328, EN 301489-1, EN 301489-17, EN 62311, EN 61000-6, EN 62477.
7. Electrochemical Performance and Durability Parameters
| Parameter | Value |
|---|---|
| Rated capacity / attenuation rate | 78.2 Ah / Refer to Limited warranty*1 |
| Max. cont. charge / discharge power*2 | 3.328 kW |
| Charge / discharge power decay rate | 0 |
| Initial internal resistance / increase rate | ≤ 0.8 mΩ / Increase 15% (after 10 years and 3650 cycles) |
| Initial / end cycle efficiency | 95% / 94% (after 10 years and 3650 cycles) |
| Expected life under design conditions | Refer to Limited warranty*1 |
8. Standards Applied for Safety
Standards applied of Safety of stationary battery energy storage systems.
| No. | Test Project | Quantity | Test Result |
|---|---|---|---|
| 1 | Thermal shock and cycling | 1 PKS | Pass |
| 2 | External short circuit protection | 1 PKS | Pass |
| 3 | Overcharge protection | 1 PKS | Pass |
| 4 | Over-discharge protection | 1 PKS | Pass |
| 5 | Over-temperature protection | 1 PKS | Pass |
| 6 | Thermal propagation protection | 1 PKS | Pass |
| 7 | Mechanical damage by external forces | 1 PKS | Pass |
| 8 | Internal short circuit | 1 PKS | Pass |
| 9 | Thermal abuse | 1 PKS | Pass |
| 10 | Fire test | 1 PKS | Pass |
| 11 | Emission of gases | 1 PKS | Pass |
9. Additional Information
Warranty Information: Limited warranty details can be downloaded from www.bydbatterybox.com/downloads.
Note on Charge/Discharge Power: Charge / Discharge power derating will occur related to Temperature and SOC.
Signature of Authorized Company Representative: [Signature Placeholder]
Title: Manager of Quality Department
Place of issue: Shenzhen
Date of issue: 2025-06-30
