battery_compatibility:byd_b-box
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| battery_compatibility:byd_b-box [2019-10-30 12:14] – [5. GX device Configuration] guy_stewart | battery_compatibility:byd_b-box [2020-09-05 05:00] – guystewart | ||
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| - | ====== Victron & BYD B-Box ===== | + | ====== Victron & BYD ====== |
| - | + | ||
| - | 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. | + | ^ Battery ^ Pro 2.5-10.0 ^ Pro 12.8 & 13.8 ^ L 3.5-14.0 ^ Premium LVL 15.4 ^ Premium LVS 4.0 ^ |
| - | + | | Appearance | {{ : | |
| - | 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: | + | | ESS | yes| yes| yes| yes| yes| |
| - | + | | Grid Backup| | |
| - | + | | Off-Grid| | |
| - | + | | Module capacity| | |
| - | ^ Battery ^ Pro 2.5-10.0 ^ Pro 12.8 & 13.8 ^ L 3.5-14.0 ^ | + | | Module limit | 32| 32| 12| 64| 64| |
| - | | Appearance | {{ : | + | | Max capacity| |
| - | | ESS | yes| yes| yes| | + | |
| - | | Grid Backup| | + | |
| - | | Off-Grid| | + | |
| - | | Module capacity| | + | |
| - | | Module limit | 32| 32| 12| | + | |
| - | | Max capacity| | + | |
| - | + | ||
| - | + | ||
| ===== 1. Product & System compatibility ===== | ===== 1. Product & System compatibility ===== | ||
| Line 27: | Line 18: | ||
| * Off-grid | * Off-grid | ||
| + | === 1.2 A GX device is required, eg Cerbo GX, Color Control GX (CCGX), Venus GX (VGX), etc === | ||
| + | It is essential to use the BMS-Can (or CAN-bus) connection of a [[venus-os: | ||
| - | === 1.2 A GX device is required, eg Color Control GX (CCGX), Venus GX (VGX), etc === | + | When used with B-Box Pro series |
| - | + | ||
| - | It is essential to use the CAN-bus connection of a [[venus-os: | + | |
| - | + | ||
| - | When used with B-Box batteries, the minimum | + | |
| === 1.3 All 48V Multis, MultiPlusses, | === 1.3 All 48V Multis, MultiPlusses, | ||
| - | The minimum firmware version is 422. Though updating | + | The minimum |
| These inverter/ | These inverter/ | ||
| Line 45: | Line 34: | ||
| In off-grid systems, the control functions of the BYD Battery Management System (BMS) are built into the latest version of the [[venus-os: | In off-grid systems, the control functions of the BYD Battery Management System (BMS) are built into the latest version of the [[venus-os: | ||
| + | === 1.4 Solar Charger compatibility === | ||
| + | All 48V BlueSolar and SmartSolar VE.Direct MPPT Chargers are compatible (*). | ||
| + | Some of our Solar Chargers feature a VE.Direct communication port, some feature a VE.Can communication port, and some feature both. Both of these types of communication ports can be used to connect the Solar charger to the GX Device. Such connection is mandatory, because it is used to regulate charge currents and voltages. | ||
| - | === 1.4 All 48V BlueSolar and SmartSolar MPPT Chargers are compatible === | + | When planning |
| - | + | ||
| - | For proper operation, the B-Box battery needs to be able to control the charge current of the solar MPPTs. | + | |
| - | It is recommended | + | |
| - | + | ||
| - | __MPPTs with a VE.Direct port__ | + | |
| - | + | ||
| - | MPPTs are controlled via the [[venus-os: | + | |
| - | + | ||
| - | The MPPT requires connection to the [[venus-os: | + | |
| - | To test operation, try disconnecting the [[venus-os:start|GX device]] from the MPPT. After a time-out, the MPPT will stop charging and flash an error code on its LEDs. The error code is [[https:// | + | |
| - | + | ||
| - | __MPPTs with a VE.Can | + | |
| - | + | ||
| - | Firmware should be at least version 2.05. | + | |
| - | + | ||
| - | When using VE.Can MPPT's, it is recommended to use the Venus GX (VGX), instead of the CCGX. The VGX has two CAN-bus interfaces available and allows communication between | + | |
| + | (*) with exception of the models “BlueSolar MPPT 150/70 CAN-bus” and “BlueSolar MPPT 150/85 CAN-bus” which are end-of-life since 2019. Legacy systems, historically installed with this configuration using the allow to charge contacts are not required to make any changes, see the legacy chapter below for details. | ||
| === 1.5 Battery compatibility === | === 1.5 Battery compatibility === | ||
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| | B-BOX Compact | | B-BOX Compact | ||
| | B-BOX L 3.5-14.0 | | B-BOX L 3.5-14.0 | ||
| + | | B-BOX Premium LVL 15.4 | | ||
| + | | B-BOX Premium LVS 4.0 | | ||
| - | BYD also releases firmware update for their BMU and BMS. BMU Firmware versions earlier than V4-13 are not compatible with Victron equipment and can cause the battery to not be detected. | + | BYD also releases firmware update for their BMU and BMS. |
| - | + | ||
| - | Minimum BYD firmware version: BMU_V2_V4-13_15-Mar-2017. | + | |
| - | On-screen, or via Remote Console on the [[venus-os:start|GX device]], this version is named v4.13. | + | B-Box Pro BMU Firmware versions earlier than V4-13 are not compatible with Victron equipment and can cause the battery to not be detected. |
| - | Batteries with older firmware versions can be updated. Please contact BYD for more information. | + | 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 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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| The following information is provided by BYD, it is reproduced here for your convenience and should always be confirmed with the latest BYD manuals and specifications. | The following information is provided by BYD, it is reproduced here for your convenience and should always be confirmed with the latest BYD manuals and specifications. | ||
| - | Each battery | + | Each B-Box Pro 2.5 battery |
| The following charge rates are managed automatically by the BYD BMU and [[venus-os: | The following charge rates are managed automatically by the BYD BMU and [[venus-os: | ||
| Line 102: | Line 79: | ||
| === Battery Modules Required - Pro 2.5 === | === Battery Modules Required - Pro 2.5 === | ||
| - | |||
| |Phases| | |Phases| | ||
| Line 147: | Line 123: | ||
| + | === Battery Modules Required - Premium LVL 15.4 === | ||
| + | |Phases| | ||
| + | | Inverter/ | ||
| + | | Multiplus 48/ | ||
| + | | Multiplus 48/ | ||
| + | | Quattro 48/ | ||
| + | | Quattro 48/ | ||
| + | | Quattro 48/ | ||
| + | | Quattro 48/ | ||
| + | | EasySolar 48/ | ||
| + | | EasySolar 48/ | ||
| - | The specification for these minimum battery sizes was obtained from [[http:// | ||
| + | === Battery Modules Required - Premium LVS 4.0 === | ||
| + | |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. | ||
| - | ===== 3. CANBus Wiring | + | **" |
| + | |||
| + | The specification for these minimum battery sizes was obtained from [[http:// | ||
| + | |||
| + | |||
| + | ===== 3. CAN-Bus wiring between the battery and GX Device | ||
| Use the //VE.Can to CAN-bus BMS type A Cable//, part number ASS030710018. Plug the side which is labeled Battery BMS into the BYD BMS. Plug the side labeled Victron VE.Can into the [[venus-os: | Use the //VE.Can to CAN-bus BMS type A Cable//, part number ASS030710018. Plug the side which is labeled Battery BMS into the BYD BMS. Plug the side labeled Victron VE.Can into the [[venus-os: | ||
| Line 164: | Line 167: | ||
| 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: |
| - | + | ||
| - | + | ||
| - | + | ||
| - | + | ||
| - | === 3.1 Wiring of the Allow-to-charge and allow-to-discharge contacts === | + | |
| - | + | ||
| - | Using the latest firmware on all devices, the BYD allow to charge contacts are only required when using VE.Can MPPT' | + | |
| - | If you have an existing system that is configured using the Allow-to-charge contacts, and it is operating correctly, you do not need to make any changes. | + | |
| - | + | ||
| - | The MPPTs with a VE.Can port have a dedicated Remote On/Off input. It needs to be connected to battery positive to enable the charger. Leaving the Remote On/Off input floating or pulling it to ground will disable the charger. | + | |
| - | + | ||
| - | B-Box relays: | + | |
| - | + | ||
| - | * Relay T1-T2: closed if allowed to discharge | + | |
| - | * Relay T4-T5: closed if allowed to charge | + | |
| - | + | ||
| - | {{: | + | |
| ===== 4. VEConfigure settings ===== | ===== 4. VEConfigure settings ===== | ||
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| - | ===== 5. GX device | + | ===== 5. GX device |
| On the [[venus-os: | On the [[venus-os: | ||
| Line 245: | Line 230: | ||
| |Shared Voltage Sense |OFF| | |Shared Voltage Sense |OFF| | ||
| - | If you have a VE.Can MPPT, it is advised to use the Venus GX in place of the CCGX. | ||
| * Select the //CAN-bus BMS (500 kbit/s)// CAN-profile in the CCGX. Menu path: //Settings -> Services -> CAN-profile// | * Select the //CAN-bus BMS (500 kbit/s)// CAN-profile in the CCGX. Menu path: //Settings -> Services -> CAN-profile// | ||
| Line 255: | Line 239: | ||
| {{ : | {{ : | ||
| - | This parameters page is also a good place to check that all batteries are connected and working properly. In normal working conditions, for the 2.5 model, the charge current limit is 35A per cell. For example, 140A charge current limit ( 140 / 35 = 4 ) means there are 4 BYD battery cells connected. | + | This parameters page is also a good place to check that all batteries are connected and working properly. In normal working conditions, for the 2.5 model, the charge current limit is ~35-50 A per cell. For example, 140A charge current limit ( 140 / 35 = 4 ) means there are 4 BYD battery cells connected. |
| - | Note the discharge current limit figure | + | |
| + | Note these limits have been adjusted higher by BYD during firmware updates, so the charge and discharge current limit figure may appear slightly higher. | ||
| === Color Control GX Configuration === | === Color Control GX Configuration === | ||
| | | ||
| - | The CCGX only has one available VE.Can | + | The CCGX only has one available VE.Can |
| - | === Venus GX Configuration | + | === GX Device with multiple CAN-bus port configuration |
| - | The VGX has two CAN-bus interfaces available. The VE.Can MPPT will remain connected to the VE.Can port, while the BYD CAN-bus cable should use the specific CAN-bus connections (H, L, GND). | + | With GX devices that have two CAN-bus interfaces available |
| - | This allows data from the MPPT and BYD battery simultaneously. You will only need to connect the Allow-to-charge wires if using the VE.Can MPPT and VGX. | + | |
| + | This allows data from the MPPT and BYD battery simultaneously. | ||
| 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. VE-Direct MPPT Settings | + | ===== 6. Solar Charging |
| - | In normal operation the MPPT charge characteristics are governed by the [[venus-os: | + | ==== 6.1 Victron MPPT charger settings ==== |
| - | This section presumes familiarity with [[victronconnect:start|VictronConnect]] | + | Victron MPPT charge characteristics are automatically configured & governed by the [[venus-os:start|GX device]]. The settings below are a precautionary measure only: |
| - | The settings below are a precautionary measure. | + | ^ MPPT Parameter ^ Setting ^ |
| - | + | |Battery voltage | |
| - | ^MPPT Parameter ^ Setting ^ | + | |
| - | |Battery voltage. |48V| | + | |
| |Absorption voltage | |Absorption voltage | ||
| + | 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 ===== | ||
| Line 346: | Line 339: | ||
| * Could be a temporary issue, that corrects self automatically after a short while (matter of minutes). | * Could be a temporary issue, that corrects self automatically after a short while (matter of minutes). | ||
| * Could be an external issue, unacceptable voltage or current. | * Could be an external issue, unacceptable voltage or current. | ||
| + | |||
| ===== 9. Step by Step Installation Guide ===== | ===== 9. Step by Step Installation Guide ===== | ||
| There is a step by step installation video that demonstrates the essential connections and programming that is required for installation of a BYD battery in a Victron system. It is accessible via the [[https:// | There is a step by step installation video that demonstrates the essential connections and programming that is required for installation of a BYD battery in a Victron system. It is accessible via the [[https:// | ||
| - | |||
| - | |||
| [[https:// | [[https:// | ||
| Line 356: | Line 348: | ||
| This written manual should be assumed to be the more accurate and up-to-date, if there are any discrepancies between the video and the written manual, | This written manual should be assumed to be the more accurate and up-to-date, if there are any discrepancies between the video and the written manual, | ||
| - | A user contributed [[battery_compatibility: | + | ==== Introduction to the new BYD Premium range LVL and LVS ==== |
| - | ===== 10. Known Issues ===== | + | |
| + | [[https:// | ||
| + | |||
| + | ==== User contributed installation guide ==== | ||
| + | |||
| + | A user contributed [[battery_compatibility: | ||
| + | |||
| + | ===== 10. Known Issues | ||
| + | |||
| + | 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 === | + | === 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 416: | Line 417: | ||
| 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. | + | ===== 11. Legacy systems using allow-to-charge and allow-to-discharge contacts ===== |
| - | If your system | + | For proper operation, the B-Box battery needs to be able to control the charge current of the solar MPPTs. Which for all modern models |
| + | |||
| + | The purpose of this chapter is to serve as reference guide for legacy systems using those two solar charger models. If you have an existing system that is configured using the Allow-to-charge contacts, and it is operating correctly, you do not need to make any changes. | ||
| + | |||
| + | Note that these charges cannot be used with the BYD Premium LV batteries, since they do not feature the required free contacts. | ||
| + | |||
| + | === Legacy system wiring details === | ||
| + | |||
| + | The Remote On/Off input of the two mentioned solar charger models | ||
| + | |||
| + | B-Box relays: | ||
| + | |||
| + | * Relay T1-T2: closed if allowed | ||
| + | * Relay T4-T5: closed if allowed to charge | ||
| + | |||
| + | Picture showing these connections on the BYD B-Box battery: | ||
| + | |||
| + | {{: | ||
| - | 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. Further Information ===== | + | ===== 12. Further Information ===== |
| For information about where to buy or find suitably qualified installers, visit the [[https:// | For information about where to buy or find suitably qualified installers, visit the [[https:// | ||
battery_compatibility/byd_b-box.txt · Last modified: 2024-01-22 07:32 by guy_stewart