Illustrative equipment photography, not this model.
HomeGrid battery
Four Stack’d modules in one tower, with a 300 amp charge acceptance that finally matches the largest hybrids. One BMS for the stack, which is the real advantage over a pile of rack packs.
Published figures
Usable capacity
19.2 kWh
Capacity
375 Ah
Voltage window
44.8 to 58.4 V
Max charge current
300 A
Max discharge current
300 A
Comms
CAN, RS485
Form factor
Stackable modules
Units in parallel
8
Source status: Provisional figure Typical street price $8,000 to $11,000. Charge and discharge limits are per unit. Wiring packs in parallel raises both.
How many you need, by inverter
One pack accepts 300 amps. An inverter that can deliver more than that needs more than one, or the charge rate capped in settings. Both are valid, and the second one costs you charging speed on the short days when you need it most.
Manufacturer documentation names Sol-Ark 12K, Sol-Ark 15K for closed-loop operation with this pack.
Where the figures come from
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.
Where to buy the HomeGrid Stack’d 48V 19.2kWh
Listings for the HomeGrid Stack’d 48V 19.2kWh plus the rack hardware and cabling a clean install needs.
Affiliate 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.
Questions people actually ask
How many HomeGrid Stack’d 48V 19.2kWh packs do I need?
One pack accepts 300 amps and holds 19.2 kWh. Match the pack count to your inverter’s charge current first, then check the energy. A Sol-Ark 15K at 275 amps would take 1 of them to charge at full rate.
Does the HomeGrid Stack’d 48V 19.2kWh do closed loop communication?
Which inverters pair cleanly with the HomeGrid Stack’d 48V 19.2kWh?
None of the inverters tracked here clear all four checks with this pack. Most land on unverified because nobody has published the comms or surge figure, which is a gap rather than a fault.
