BYD HVS 5.1 Battery
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The BYD Battery-Box Premium HVS 5.1 (5.12 kWh) is a high-voltage energy storage solution that works the Fronius GEN24 inverter series.
Usable Energy: 5.12kWh
Backup power capability: With PV Point and Full Backup options
Parallel operation: of up to 3 battery storage units available
Advanced safety features: over/under voltage protection, overcurrent protection, and temperature monitoring
Battery System Components: 2x 2.56kWh BYD HVS battery modules + 1x BYD BCU + Base
Model Number: BYD HVS 5.1
Fronius Inverter Compatibility: Primo GEN24 Plus, Symo GEN24 Plus
• Supports High-Powered Emergency Backup and Off-Grid Operation
• Achieves Maximum Efficiency with a True High-Voltage Series Connection
• Patented Modular Plug Design Eliminates Internal Wiring for Maximum Flexibility and Ease of Use
• Cobalt-Free Lithium Iron Phosphate (LFP) Battery for Maximum Safety, Longevity, and Power
• Compatible with Leading 1 and 3 Phase High Voltage Battery Inverters
• Two Unique Modules to Accommodate a Wide Range of System Sizes
• Adheres to the Highest Safety Standards, including VDE 2510-50
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What they are saying about us
F.A.Q
Frequently Asked Questions
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Do I need a generator for my off-grid system?
Your solar system should cover your power needs 95% + of the time, however we highly recommend a good quality, automatic start generator to ensure you have energy security and full power capacity throughout the worst days of winter.
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Is my rooftop solar system covered by warranty?
Yes it certainly is. Each panel type typically gets a 25 year performance warranty and at least a 10 year manufacturing warranty, depending on the panel chosen. Jinko panels offer a 10 year manufacturing warranty, QCells panels 12 years, and SunPower panels offer a 25 year manufacturing warranty (parts and labour).
Check out your panel and inverter warranty sheets for more details!
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My customer has a 1.5kW system installed with a third party inverter brand. If he wants to upgrade the system with a Fronius Primo 5 kW inverter in addition to the existing system, where the DNSP requires 5kW export limit, can this be done by using a Fron
Yes, if your export limit is equal to or greater than the other inverter’s output capacity this can be done. Please note: The Fronius Smart Meter will not control the power output of the third-party inverter. For example: If the third-party inverter is 1.5 kW and Fronius inverter is 5 kW and there is only 5 kW allowed to export, then the export limitation value that can be set on the Fronius inverter is 5 kW.
Safety
• In-house developed LFP cells
• Trusted in millions of electric vehicles
Flexibility
• Modular design
• Expandable at any time
Reliability
• LFP expertise since 2002
• Over 1 million systems installed in 100+ countries
Easy Installation
• Patented internal plug connection
• Fast and simple setup
High Performance
• High efficiency certified by HTW Berlin
• Powerful backup function
Perfect Compatibility
• Works seamlessly with leading single and three-phase inverters
PERFORMANCE
| HVS 5.1 | HVS 7.7 | HVS 10.2 | HVS 12.8 | |
Battery Module (HVM module has two versions with two types of cells applied separately. Both versions share the same performance, only weights differ.) | HVS (2.56 kWh, 102.4 V, 38 kg) | |||
| Number of Modules | 2 | 3 | 4 | 5 |
Usable Energy (DC Usable Energy, Test conditions: 100% DOD, 0.2C charge & discharge at + 25°C. System Usable Energy may vary with different inverter brands) | 5.12 kWh | 7.68 kWh | 10.24 kWh | 12.8 kWh |
Max Output Current (Power derating will occur between -10°C and +5°C.) | 25 A | 25 A | 25 A | 25 A |
Peak Output Current (Power derating will occur between -10°C and +5°C.) | 50 A, 3 s | 50 A, 3 s | 50 A, 3 s | 50 A, 3 s |
| Nominal Voltage | 204.8 V | 307.2 V | 409.6 V | 512 V |
| Operating Voltage | 160 - 240 V | 240 - 360 V | 320 - 480 V | 400 - 600 V |
| Dimensions (H/W/D) | 762 x 585 x 298 mm | 995 x 585 x 298 mm | 1228 x 585 x 298 mm | 1461 x 585 x 298 mm |
| Weight | 91 kg | 129 kg | 167 kg | 205 kg |
GENERAL DATA
| Operating Temperature | -10 °C to +50°C |
Battery Type | Lithium lron Phosphate (LiFePO4) |
| Communication | CAN/RS485 |
Protection Rating | IP55 |
| Round-trip Efficiency | ≥96% |
Environment | Indoor / Outdoor |
Mounting Method | Floor Stand |
| Certification | VDE2510-50 / IEC62619 / CEC / CE / UN38.3 |
| Applications | ON Grid / ON Grid + Backup / OFF Grid |
Warranty (Conditions apply. Refer to BYD Battery-Box Premium Limited Warranty Letter.) | 10 Years |
| Compatible Inverters |
 |
INVERTER COMPATABILITY
| BYD Battery-Box Premium HVS / HVM | Primo GEN24 Plus |
| HVS 5.1 | ✅ |
| HVS 7.7 | ✅ |
BYD Battery-Box HVS Premium Specifications
| BYD Battery-Box HVS Premium | HVS 5.1 | HVS 7.7 |
| Usable capacity of the battery [kWh] | 5.1 | 7.7 |
| Nominal voltage of the battery [V] | 204 | 307 |
| Battery operating voltage [V] | 160 - 240 | 240 - 360 |
| Max. charge/discharge current Primo/Symo GEN24 Plus [A] | 22 | |
Charging/discharging power capability of Fronius Primo GEN24 Plus inverters and BYD HVS
| Maximum charging and discharging power with GEN24 Plus [kW] | HVS 5.1 | HVS 7.7 |
| Primo GEN24 3.0 Plus | 3.2 | 3.2 |
| Primo GEN24 3.6 Plus | 3.9 | 3.9 |
| Primo GEN24 4.0 Plus | 4.2 | 4.2 |
| Primo GEN24 4.6 Plus | 4.5 | 4.9 |
| Primo GEN24 5.0 Plus | 4.5 | 5.3 |
| Primo GEN24 6.0 Plus | 4.5 | 6.3 |
It is possible to combine multiple BYD batteries to increase energy storage capacity, with key information show below:
Energy capacity of paralleled BYD HVS batteries
BYD BATTERY-BOX PREMIUM | ||
2x / 3x HVS 5.1 | 2x / 3x HVS 7.7 | |
| Capacity [kWh] | 10.24 / 15.36 | 15.36 / 23.04 |
| Primo GEN24 Plus | ✅ | ✅ |
Maintenance and Storage
Cleaning
It is recommended that the battery system be cleaned periodically. If the enclosure is dirty, please use a soft, dry brush or a dust collector to remove the dust. Liquids such as solvents, abrasives, or corrosive liquids should not be used to clean the enclosure.
Maintenance
The battery module should be stored in an environment with a temperature range between -10°C～+50°C, and charged regularly according to the table below with no more than 0.5 C (C-rate is a measure of the rate at which a battery is charged and discharged relative to its maximum capacity) to the SOC of 30% after a long time of storage.
| Storage environment temperature | Relative humidity of the storage environment | Storage time | SOC |
| Below -10℃ | / | Not allowed | / |
| -10~25℃ | 5%~70% | ≤ 12 months | 25%≤SOC≤60% |
| 25~35℃ | 5%~70% | ≤ 6 months | 25%≤SOC≤60% |
| 35~50℃ | 5%~70% | ≤ 3 months | 25%≤SOC≤60% |
| Above 50℃ | / | Not allowed | / |
NOTICE |
Damage to the system due to under voltages
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