48V · renewable
Grid-Tied Solar lithium banks — duty cycle before brochure cycle life
People land on a Grid-Tied Solar page because the last bank died early or would not charge. Grid-tied solar backup. We start from load, charger, and temperature — then cells.
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 We do not publish a star rating we cannot source.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
- A bank that cannot hold three cloudy days is not a solar system. It is a generator with extra steps.
- Inverter protocol mismatches shut systems down at 2 a.m. Compatibility is a checklist, not a vibe.
How we quote it
- 48V is the default house voltage once you are past a couple of kilowatts.
- Cite the inverter brand you already own before anyone quotes cells.
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 Grid-Tied Solar constraints above should still make sense. That is the point.
What to spec for Grid-Tied Solar
Grid-tied solar backup Ask for the charge-voltage table in writing (bulk/absorb/float). “Works with lithium” on a retail box is not a protocol. 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.
48V catalog SKUs
48V 200AH Deep Cycle Battery
200AH
$4,299 listed
48V 30A Fast Charger
30A
$899 listed
48V 100AH Lithium Ion Battery | Commercial, Solar, RV and OEM Applications
100AH
$2,800 listed
Prices are catalog list from our product file. Custom packs are quoted.
Spec note
Ask for the charge-voltage table in writing (bulk/absorb/float). “Works with lithium” on a retail box is not a protocol.
Questions we actually get
How do I size a Grid-Tied Solar lithium bank?
Start from the load you cannot lose. Everything else is optional capacity. We will convert that into Ah at the voltage you already have.
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.
Customer marks shown as published by ChargeX. Ask sales for program context; this page does not invent a contract number.