SolaX HV11550 Triple Power 5.8kWh Expansion Battery
R31,000.00
The SolaX HV11550 adds battery capacity to a compatible Triple Power high-voltage system. It is an expansion module, so its purpose is to extend an appropriate master arrangement rather than replace the master. This distinction is especially useful when an existing installation runs short of stored energy before the next charging period.
SolaX HV11550 5.8kWh Expansion Battery
The SolaX HV11550 adds battery capacity to a compatible Triple Power high-voltage system. It is an expansion module, so its purpose is to extend an appropriate master arrangement rather than replace the master. This distinction is especially useful when an existing installation runs short of stored energy before the next charging period.
Technical specifications
| Product role | Expansion battery; compatible master required |
|---|---|
| Nominal voltage | 115.2 V DC |
| Operating voltage | 100–131 V DC per module |
| Capacity | 50 Ah; marketed as 5.8 kWh |
| Recommended current | 25 A charge/discharge |
| Maximum current | 35 A charge/discharge |
| Enclosure rating | IP65 |
Extend capacity for a measured need
Look at the existing system history before adding a module. If the battery regularly reaches its reserve while the evening loads are modest, extra capacity may address the energy shortfall. If the inverter instead trips when several appliances start together, the limitation may be instantaneous power. An additional storage module should not be presented as an automatic solution to an inverter overload.
Check the master before selecting the module
Record the full master model, battery revision and inverter model. An HV11550 label by itself does not establish that any combination of old and new modules is supported. The battery family includes revisions, and the allowable arrangement must follow the documentation for the actual equipment. This product is not a universal add-on for another brand of high-voltage battery.
What the 50Ah rating tells you
At the stated nominal voltage, the module capacity corresponds to the marketed 5.8kWh class. Amp-hours alone are not a useful way to compare this module with a 48V battery: the voltage is different. When comparing storage options, use energy in kWh alongside the complete system voltage and charge/discharge limits. These values describe different aspects of the battery and should be evaluated together.
Make room for the next charge cycle
Additional battery capacity is useful only if the system can charge it within the available schedule. Check the daytime solar surplus after household consumption, particularly when winter generation is lower. A larger battery bank can take longer to refill if charging power remains unchanged. The expansion plan should therefore consider both the desired evening reserve and the available energy the following day.
A module is not a complete storage installation
This listing is for the expansion battery role. The corresponding master, compatible inverter and required installation components form the working system. Keep the existing product and installation records available for the installer, including any battery settings that have changed since commissioning. That makes the upgrade easier to assess than working from capacity labels alone.
Choose expansion with a clear outcome
The HV11550 is most relevant to a compatible owner who wants additional stored energy in the same supported system. For a new installation without a master, begin with the T-BAT H 5.8 master product and a complete configuration assessment. Use the linked manufacturer manual to confirm the module family and the requirements that apply to the supplied revision.
