Batteries for photovoltaics SolaX T-BAT H5.8
SolaX T-BAT H5.8 is a high voltage battery range from SolaX. This category lists 4 SolaX T-BAT H5.8 products with a usable capacity of 5.8 kWh. Guide
Suitable for: Home battery storage.
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SolaX T-BAT H5.8 at a glance
SolaX T-BAT H5.8 is aimed at family houses and small businesses: it stores the daytime solar surplus for the evening and the night. The battery management system talks to the inverter over RS485, CAN, so the inverter must list SolaX T-BAT H5.8 as an approved battery before you order.
Protection ratings in this range: IP66. Units rated IP54 or higher can be mounted outdoors within the temperature limits in the datasheet. The range includes separate battery modules and control units, so a system can start at the minimum configuration and grow later within the stack limits that SolaX specifies.
Tip from practice
High voltage stacks are matched to the inverter by module count. Check the minimum and maximum number of modules your inverter model accepts before you fix the capacity, because that range decides which configurations will work.
How to choose a SolaX T-BAT H5.8 configuration
The table lists every SolaX T-BAT H5.8 product in this category with the key figures we hold for it. Choose in this order: inverter compatibility first, then usable capacity against evening and night consumption, then power and siting.
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SolaX T-BAT H5.8 products compared
| Product | Usable capacity | Communication | IP rating |
|---|---|---|---|
| SolaX T-BAT H5.8 (T58) Master Pack 5.8kWh HV Battery | 5.8 kWh | RS485, CAN | IP66 |
| SolaX T-BAT H5.8 (T58) Slave Pack 5.8kWh HV Battery | 5.8 kWh | RS485, CAN | IP66 |
| SolaX T-BAT H5.8 V3 Master Pack 5.8kWh HV Heated Battery | 5.8 kWh | RS485, CAN | IP66 |
| SolaX T-BAT H5.8 V3 Slave Pack 5.8kWh HV Heated Battery | 5.8 kWh | RS485, CAN | IP66 |
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Frequently asked questions about SolaX T-BAT H5.8
What usable capacity does SolaX T-BAT H5.8 offer?
The SolaX T-BAT H5.8 products listed here offer 5.8 kWh of usable capacity, and the modular design lets you add capacity later. Compare usable capacity rather than nominal capacity when you size the system.
Is SolaX T-BAT H5.8 a low voltage or a high voltage battery?
SolaX T-BAT H5.8 is a high voltage battery. It needs an inverter with a high voltage battery input and does not work on a 48 V input.
Which inverters work with SolaX T-BAT H5.8?
Any inverter that lists SolaX T-BAT H5.8 on its approved battery list. The battery communicates over RS485, CAN. Matching the voltage is not enough on its own, because the inverter and the battery management system must use the same protocol and firmware.
Can a SolaX T-BAT H5.8 system be expanded later?
Yes. Additional modules can be added within the maximum stack size that SolaX allows. Keep new modules in the same product family and firmware generation, and expand while the existing pack is still relatively new.
Can SolaX T-BAT H5.8 be installed outdoors?
Units rated IP54 or higher can be installed outdoors within the temperature range in the datasheet. The ratings in this range are IP66.
What is SolaX T-BAT H5.8 used for?
Mainly for family houses and small businesses. It stores the daytime solar surplus for the evening and the night and, with a suitable hybrid inverter, can also supply backup circuits during a grid outage.
Where can I buy SolaX T-BAT H5.8 batteries?
ONSA Plus supplies SolaX T-BAT H5.8 to installers and resellers across Europe. This category lists 4 SolaX T-BAT H5.8 products with current prices and availability, and there is no minimum order.
Usable capacity, backup behaviour and inverter compatibility depend on the specific inverter model, the wiring of the installation and the manufacturer's approved combination list.
About ONSA Plus
Why installers across Europe buy storage from us
ONSA Plus is a European B2B distributor of photovoltaics, battery storage, heat pumps and EV charging stations. In our own EU warehouses we keep over 1,500 products from 25+ brands, including Huawei, Solis, SolaX and Dyness.
We are not just a trading company. We design and service energy systems ourselves, so we answer questions on battery sizing, inverter pairing and backup wiring from engineering practice, not from a catalogue. There is no minimum order, so you buy what the job needs.
