Fortress Power PES-ESS-BTS-0275: Specs & Datasheet
MPN: PES-ESS-BTS-0275The Fortress Power PES-ESS-BTS-0275 is listed under lithium solar batteries in the Fortress Power catalog at Portlandia Electric Supply. Contractors and buyers searching “PES-ESS-BTS-0275” for specifications or the datasheet land here: below are the published specifications we have on file for this exact part number, plus compatibility and sourcing notes.
Specifications
| Manufacturer | Fortress Power |
|---|---|
| MPN | PES-ESS-BTS-0275 |
| Nominal Voltage | 51.2 V DC |
| Nominal Capacity | 360 Ah / 18.43 kWh |
| Round-Trip Efficiency | 98% |
| Recommended Continuous Discharge | 180 A (9.2 kW) |
| Surge Discharge | 250 A (12.8 kW, 5 s) |
| Cycle Life | 8,000 Cycles @ 80% DoD |
| Depth of Discharge | Up to 100% |
| Dimensions (L × W × H) | 20.3 × 20.3 × 42.2 in (515 × 515 × 1,073 mm) |
| Weight | 520 lb (236 kg) |
| Operating Temperature (Discharge) | −4 °F to +140 °F (−20 °C to +60 °C) |
| Ingress Protection | IP55 |
| Communications | CAN & RS-485 |
| Certifications | UL 1642, UL 1973, UL 9540, UL 9540A, UN 38.3 |
| Warranty | 10 Years |
| Massive Single-Unit Capacity | At 18.5 kWh, one eVault Max 18.5 battery can carry a meaningful portion of a home or small business backup load on its own, reducing the need for multiple small modules or an external battery cabinet. |
| Installer-Friendly Top Access | The serviceable top cover and built-in wheels make the unit easier to place, inspect, and service while keeping the enclosure compact and floor-standing. |
Compatible With / Used In
- Batteries & Energy Storage applications — manufacturer-listed product category for this part number
- Exact part-number replacements — this page covers MPN PES-ESS-BTS-0275 only — confirm the full part number on your unit, quote, or datasheet before ordering
- Contractor and installer sourcing — quantity pricing and nationwide shipping from Portlandia Electric Supply — call (502) 790-0600
Datasheet Availability
Fortress Power publishes datasheets and installation documents through its official website. For the PES-ESS-BTS-0275 datasheet PDF specifically, call (502) 790-0600 and we will include it with your quote.
View the PES-ESS-BTS-0275 product page →Get a quote →
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Frequently Asked Questions
What are the specs of the Fortress Power PES-ESS-BTS-0275?
Key published specs — Nominal Voltage: 51.2 V DC; Nominal Capacity: 360 Ah / 18.43 kWh; Round-Trip Efficiency: 98%; Recommended Continuous Discharge: 180 A (9.2 kW). The full specification table above lists every value we have on file; values marked “vendor listing” are from our supplier feed and pending manufacturer verification.
Where can I get the PES-ESS-BTS-0275 datasheet?
Fortress Power publishes datasheets and installation documents through its official website. For the PES-ESS-BTS-0275 datasheet PDF specifically, call (502) 790-0600 and we will include it with your quote.
Is the Fortress Power PES-ESS-BTS-0275 in stock?
Yes — in stock at Portlandia Electric Supply with nationwide shipping. Call (502) 790-0600 for pricing and lead time.
How do I make sure the PES-ESS-BTS-0275 is the right part?
Match the full part number PES-ESS-BTS-0275 exactly against your unit, quote, or existing datasheet — part-number families differ in ratings. Call (502) 790-0600 and our team will verify it before you order.
Specifications sourced from the manufacturer listing data maintained by Portlandia Electric Supply. Where a value is not published, it is marked as such — we do not estimate specifications. Questions: call (502) 790-0600. Portlandia Electric Supply, Louisville, KY — 12+ US distribution hubs.