battery_compatibility:byd_b-box
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| battery_compatibility:byd_b-box [2020-03-18 17:34] – [5. GX device configuration] mvader | battery_compatibility:byd_b-box [2020-03-19 16:34] – [3. CAN-Bus wiring between the battery and GX Device] guy_stewart | ||
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| - | ====== Victron & BYD B-Box ===== | + | ^ Battery ^ Pro 2.5-10.0 ^ Pro 12.8 & 13.8 ^ L 3.5-14.0 ^ Premium LVL 15.4 ^ Premium LVS 3.8 ^ |
| - | + | | Appearance | {{ : | |
| - | The combination of Victron products with BYD Battery-Box LV lithium batteries has been tested and certified by the Victron and BYD R&D departments. This combination has extensive field experience and is actively supported by both companies. | + | | ESS | yes| yes| yes| yes| yes| |
| - | + | | Grid Backup| | |
| - | The BYD B-Box includes an integrated Battery Management System (BMS) with each battery cell module, and a Battery Management Unit (BMU) that interfaces with the Victron [[venus-os: | + | | Off-Grid| |
| - | + | | Module capacity| | |
| - | ^ Battery ^ Pro 2.5-10.0 ^ Pro 12.8 & 13.8 ^ L 3.5-14.0 ^ Premium LVL 15.4 ^ | + | | Module limit | 32| 32| 12| 64| 64| |
| - | | Appearance | {{ : | + | | Max capacity| |
| - | | ESS | yes| yes| yes| yes| | + | |
| - | | Grid Backup| | + | |
| - | | Off-Grid| | + | |
| - | | Module capacity| | + | |
| - | | Module limit | 32| 32| 12| 64| | + | |
| - | | Max capacity| | + | |
| ===== 1. Product & System compatibility ===== | ===== 1. Product & System compatibility ===== | ||
| Line 60: | Line 53: | ||
| | B-BOX L 3.5-14.0 | | B-BOX L 3.5-14.0 | ||
| | B-BOX Premium LVL 15.4 | | | B-BOX Premium LVL 15.4 | | ||
| + | | B-BOX Premium LVS 3.8 | | ||
| BYD also releases firmware update for their BMU and BMS. | BYD also releases firmware update for their BMU and BMS. | ||
| Line 67: | Line 61: | ||
| Minimum BYD firmware version for B-Box Pro: BMU_V2_V4-13_15-Mar-2017. On-screen, or via Remote Console on the [[venus-os: | Minimum BYD firmware version for B-Box Pro: BMU_V2_V4-13_15-Mar-2017. On-screen, or via Remote Console on the [[venus-os: | ||
| - | BYD Premium | + | BYD B-Box Premium batteries firmware should be no less than V1.4, and the BMS firmware should be no less than V1.3. If necessary, this can be updated automatically via the ethernet port on the BMU when connected to the internet. |
| ===== 2. Minimum Battery Sizing ===== | ===== 2. Minimum Battery Sizing ===== | ||
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| | EasySolar 48/ | | EasySolar 48/ | ||
| | EasySolar 48/ | | EasySolar 48/ | ||
| - | + | ||
| + | |||
| + | === Battery Modules Required - Premium LVS 3.8 === | ||
| + | |||
| + | |Phases| | ||
| + | | Inverter/ | ||
| + | | | ||
| + | | | ||
| + | | | ||
| + | | Quattro 48/ | ||
| + | | Quattro 48/ | ||
| + | | Quattro 48/ | ||
| + | | | ||
| + | | | ||
| + | |||
| + | * Note for 7 units two stacks are required. One stack is 4 battery modules, the other is 3. | ||
| **" | **" | ||
| - | The specification for these minimum battery sizes was obtained from [[http:// | + | The specification for these minimum battery sizes was obtained from [[http:// |
| Line 155: | Line 165: | ||
| Without properly connecting this cable, the battery will not show up on the display of the [[venus-os: | Without properly connecting this cable, the battery will not show up on the display of the [[venus-os: | ||
| - | It is important to ensure this connection and display of the battery on the [[venus-os: | + | It is important to ensure this connection and display of the battery on the [[venus-os: |
| ===== 4. VEConfigure settings ===== | ===== 4. VEConfigure settings ===== | ||
| Line 243: | Line 253: | ||
| The CAN-bus connections are galvanically isolated at the BYD BMU. There is no issues using the non-isolated connection of the VGX. | The CAN-bus connections are galvanically isolated at the BYD BMU. There is no issues using the non-isolated connection of the VGX. | ||
| - | ===== 6. Solar Charger configuration | + | ===== 6. Solar Charging |
| - | The MPPT charge characteristics are automatically configured & governed by the [[venus-os: | + | ==== 6.1 Victron MPPT charger settings ==== |
| + | |||
| + | Victron | ||
| ^ MPPT Parameter ^ Setting ^ | ^ MPPT Parameter ^ Setting ^ | ||
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| Use [[victronconnect: | Use [[victronconnect: | ||
| + | |||
| + | ==== 6.2 Self-Startup from Low voltage shutdown modes ==== | ||
| + | |||
| + | In a correctly configured system, the inverter will shut itself down before the batteries enter a self protective shut down state. | ||
| + | |||
| + | If your system is charged only with an AC-coupled PV inverter, this may prevent the AC-coupled PV inverter from starting up to recharge the batteries. Therefore it is strongly recommended that there is also either a generator or DC MPPT charge controller to provide DC bus power to bring the inverter back online to allow normal recharging to resume. | ||
| + | |||
| + | Even a single 100/20 48V MPPT charger unit with 2 x 60 cell solar panels would be sufficient to add this self correcting mechanism able to maintain the DC bus voltage and improve longterm system reliability considerably from accidental deep discharge and subsequent shut down. | ||
| ===== 7. Example Wiring Diagram ===== | ===== 7. Example Wiring Diagram ===== | ||
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| A user contributed [[battery_compatibility: | A user contributed [[battery_compatibility: | ||
| - | ===== 10. Known Issues ===== | + | ===== 10. Known Issues |
| - | === 10.1 Inaccurate State of Charge (SoC) Readings === | + | The following information only applies to the B-Box Pro models, and not to the B-Box Premium models. |
| + | |||
| + | === 10.1 Inaccurate State of Charge (SoC) Readings | ||
| Each BYD battery module has it’s own BMS. This BMS reports it’s battery information to the BMU which is connected to the [[venus-os: | Each BYD battery module has it’s own BMS. This BMS reports it’s battery information to the BMU which is connected to the [[venus-os: | ||
| Line 387: | Line 409: | ||
| There has been a firmware revision for the BYD battery modules and BMU that improves cold weather performance slightly. This manual will be updated with the new (slightly improved) specifications when stock supplied with the new firmware has had sufficient time to enter the market. Contact your BYD distributor for further information about this. | There has been a firmware revision for the BYD battery modules and BMU that improves cold weather performance slightly. This manual will be updated with the new (slightly improved) specifications when stock supplied with the new firmware has had sufficient time to enter the market. Contact your BYD distributor for further information about this. | ||
| - | === 10.4 Self-Startup from Low voltage shutdown modes === | ||
| - | |||
| - | In a correctly configured system, the inverter will shut itself down before the batteries enter a self protective shut down state. | ||
| - | |||
| - | If your system is supplied only with AC-bus solar charging, this may prevent the solar inverter from starting up to recharge the batteries. Therefore it is strongly recommended that there is also either a generator or DC MPPT charge controller to provide DC bus power to bring the inverter back online to allow normal recharging to resume. | ||
| - | |||
| - | Even a single 100/20 48V MPPT charger unit with 2 x 60 cell solar panels would be sufficient to add this self correcting mechanism able to maintain the DC bus voltage and improve longterm system reliability considerably from accidental deep discharge and subsequent shut down. | ||
| ===== 11. Legacy systems using allow-to-charge and allow-to-discharge contacts ===== | ===== 11. Legacy systems using allow-to-charge and allow-to-discharge contacts ===== | ||
battery_compatibility/byd_b-box.txt · Last modified: 2024-01-22 07:32 by guy_stewart