Chargex Battery

48V · residential

Specifying a Remote Cabin pack without the usual template paragraph

Remote Cabin is a duty cycle, not a keyword. Remote cabin power. If that sentence is still true after you delete the words “military-grade,” we can quote it.

CAGE 93CZ2

UN38.3 transport docs on request. DUNS 109774429. We do not publish a star rating we cannot source.

This rail: Residential solar, telecom, warehouse trucks

Typical size: Typical 100–600Ah; parallel for autonomy

What actually fails

  • Garage heat in July is a charge-current problem. Packs need airflow, not a sealed closet.
  • Whole-home backup fails when the bank is sized for lights and someone starts the well pump.

How we quote it

  • List critical loads first. Everything else is a generator or a bigger bank.
  • 48V keeps cable and inverter losses in a range electricians will sign off on.

48V on this URL

Default house and telecom rail once you are past a few kilowatts. Inverter protocol has to match.

If you delete the voltage, the Remote Cabin constraints above should still make sense. That is the point.

How we quote Remote Cabin work

Remote cabin power If the house has a hybrid inverter already, we match that protocol. Swapping inverters to chase a cell brand is usually the expensive path. Voltage overlay on this URL is only there because the equipment rail is real — delete the voltage and the duty-cycle advice should still read as a sentence. Default house and telecom rail once you are past a few kilowatts. Inverter protocol has to match.

Spec note

If the house has a hybrid inverter already, we match that protocol. Swapping inverters to chase a cell brand is usually the expensive path.

Questions we actually get

How do I size a Remote Cabin lithium bank?

Watts × hours, then divide by voltage and by 0.8 if you want 80% depth of discharge. Add the worst ambient. That beats any calculator widget.

Can I keep my existing charger?

If it can hold a lithium charge curve (higher absorb, little or no float), maybe. Send the charger model. A lead-acid-only charger is how people cook packs.

What paperwork can you send?

UN38.3 is the usual transport packet. CAGE 93CZ2 and DUNS 109774429 for government bids. Other marks depend on the SKU — we send PDFs we actually have.

NASASpaceXU.S. NavyJPL

Customer marks shown as published by ChargeX. Ask sales for program context; this page does not invent a contract number.