Checked as a single pack, which covers this inverter’s charge current on its own.
Full specifications: Sol-Ark 30K-3P and HomeGrid Stack’d 48V 19.2kWh.
The four checks
Voltage window: No usable overlap
The inverter window of 150 to 950 volts and the battery window of 44.8 to 58.4 volts do not overlap usefully. One unit reaches its limit while the other is still in normal operation.
Charge current: 100 A into a 300 A limit
The inverter tops out at 100 amps and the battery accepts 300 amps, so a default install cannot overrun the pack. Adding batteries in parallel raises the accepted current further.
Surge rating: Battery surge figure unpublished
A surge to 45000 watts draws roughly 938 amps at 48 volts. This battery publishes a 300 amp continuous rating and no separate surge figure, and continuous is the wrong number to check a motor start against. Confirm the peak rating and its duration with the manufacturer before running motor loads.
Closed-loop communication: Both speak CAN, RS485, no document names the pair
The inverter and the battery both support CAN, RS485. Neither manufacturer publishes a document naming the other unit, and a shared bus standard is not a shared message format. It may well work on the bench. Confirm the protocol setting with both manufacturers before relying on BMS control.
What this means when you install it
Set the inverter charge current to 100 amps or less. That is the inverter maximum, which this bank can absorb. Protect the battery run with a 500 amp Class T fuse and two parallel runs of 4/0 cable.
The inverter and the battery both support CAN, RS485. Neither manufacturer publishes a document naming the other unit, and a shared bus standard is not a shared message format. It may well work on the bench. Confirm the protocol setting with both manufacturers before relying on BMS control.
Figures side by side
| Field | Sol-Ark 30K-3P | HomeGrid Stack’d 48V 19.2kWh |
|---|---|---|
| Voltage window | 150 to 950 V | 44.8 to 58.4 V |
| Charge current | 100 A delivered | 300 A accepted |
| Peak draw | 45,000 W surge | surge unpublished |
| Usable capacity | n/a | 19.2 kWh |
| Comms | CAN, RS485 | CAN, RS485 |
Manufacturer documents
Manufacturer documents: Sol-Ark resources and manuals. Figures here should be read against the revision that covers your serial number, because manufacturers revise specifications without changing the model name.
Manufacturer documents: HomeGrid downloads. Figures here should be read against the revision that covers your serial number, because manufacturers revise specifications without changing the model name.
Both units, current pricing
Prices on these move week to week, and the battery is usually the line item worth watching.
Sol-Ark 30K-3P on AmazonHomeGrid Stack’d 48V 19.2kWh on AmazonComms cableAffiliate links. As an Amazon Associate this site earns from qualifying purchases, at no extra cost to you. Prices and stock change often, and a listing appearing here is not a statement that the pairing above is approved.
Other pairings for the HomeGrid Stack’d 48V 19.2kWh
EG4 6000XP with HomeGrid Stack’d 48V 19.2kWh
Partial match, some fields unverified.
EG4 18KPV with HomeGrid Stack’d 48V 19.2kWh
Partial match, some fields unverified.
EG4 FlexBoss21 with HomeGrid Stack’d 48V 19.2kWh
Partial match, some fields unverified.
Sol-Ark 12K with HomeGrid Stack’d 48V 19.2kWh
Partial match, some fields unverified.
Questions people actually ask
Will the Sol-Ark 30K-3P work with the HomeGrid Stack’d 48V 19.2kWh?
Specs conflict on at least one field. Checked as a single pack, which covers this inverter’s charge current on its own. The four checks below show which field produced that result.
What does this pairing cost to wire up?
Beyond the two units, a 500 amp Class T fuse and holder, two parallel runs of 4/0 battery cable cut to matched lengths, and a busbar if you are running 1 packs. A comms cable if you intend to attempt closed loop, and the pinout is rarely the same between brands.
Where does this pairing go wrong in practice?
The inverter and the battery both support CAN, RS485. Neither manufacturer publishes a document naming the other unit, and a shared bus standard is not a shared message format. It may well work on the bench. Confirm the protocol setting with both manufacturers before relying on BMS control.
What charge current should I set?
The inverter tops out at 100 amps and the battery accepts 300 amps, so a default install cannot overrun the pack. Adding batteries in parallel raises the accepted current further.