Illustrative equipment photography, not this model.
Power Queen battery
Sold largely through consumer channels rather than solar distribution, which shows in the documentation. Open loop only, and size the charge source to 50 amps.
Published figures
Usable capacity
5.12 kWh
Capacity
100 Ah
Voltage window
40.0 to 58.4 V
Max charge current
50 A
Max discharge current
100 A
Comms
none published
Form factor
Bare case
Units in parallel
4
Source status: Provisional figure Typical street price $650 to $1,000. Charge and discharge limits are per unit. Wiring packs in parallel raises both.
How many you need, by inverter
One pack accepts 50 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.
No document tracked here names a specific inverter for closed-loop operation with this pack. That does not mean it will not work. It means nobody has published the test.
Where the figures come from
Power Queen has no public document library this site has been able to verify. Every figure on this page therefore needs checking against the paperwork that shipped with your unit.
Where to buy the Power Queen 48V 100Ah
Listings for the Power Queen 48V 100Ah 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 Power Queen 48V 100Ah packs do I need?
One pack accepts 50 amps and holds 5.12 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 6 of them to charge at full rate, past the published parallel limit of 4, so that pairing charges at a capped rate.
Does the Power Queen 48V 100Ah do closed loop communication?
No, there is no communication port at all. Every pairing with this pack is open loop, and the inverter estimates state of charge from terminal voltage, which is unreliable through the middle of a LiFePO4 curve.
How many can I wire in parallel?
The published limit is 4 units.
Which inverters pair cleanly with the Power Queen 48V 100Ah?
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.
