Fortress Power PES-ESS-BTS-0243: Specs & Datasheet

Fortress Power PES-ESS-BTS-0243: Specs & Datasheet

MPN: PES-ESS-BTS-0243

The Fortress Power PES-ESS-BTS-0243 is listed under battery storage in the Fortress Power catalog at Portlandia Electric Supply. Contractors and buyers searching “PES-ESS-BTS-0243” 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-0243
Energy (per module) 4.9 kWh
Chemistry Lithium Iron Phosphate (LFP)
Nominal voltage 48 V (module); HV stacks: 144 V (3×), 192 V (4×), 240 V (5×), 288 V (6×)
Max charge/discharge current 50 A (module / stack rating)
Ingress protection IP65 (outdoor-rated)
Cycle life / warranty 8,000+ cycles @ ~70% EoL (stack) / 15-year limited (battery)
Operating temp. (stack) Charge 0–50 °C · Discharge −20–55 °C
Dimensions / weight Module-only figures not published. Stack dims (L×H×D): 43.0×28.15/34.72/41.30/47.87″ × 10.96″; weights 302/392.4/482.8/573.2 lb (3–6 modules).
Works with Avalon HV Pro ESS (Hybrid Inverter + 200 A Smart Energy Panel)
Fortress Power Avalon 4.9 kWh battery module uses LFP chemistry, IP65 enclosure, and modular stacking (3–6 modules) to build 14.7–29.4 kWh packs—for fast installs and outdoor-ready performance. [datasheet]
4.9 kWh LiFePO 4 (LFP) module; 48 V nominal
50 A max charge/discharge; CAN/RS485 via Avalon BMS
IP65 outdoor-rated enclosure with active heating & passive cooling (stack)
Amperage 50 (vendor listing)

Compatible With / Used In

  • Battery Storage applications — manufacturer-listed product category for this part number
  • Exact part-number replacements — this page covers MPN PES-ESS-BTS-0243 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-0243 datasheet PDF specifically, call (502) 790-0600 and we will include it with your quote.

● In stock at PES Supply → In stock at Portlandia Electric Supply — ships nationwide with quantity pricing for installers.
View the PES-ESS-BTS-0243 product page →Get a quote →
Browse more: Fortress Power collection →

Frequently Asked Questions

What are the specs of the Fortress Power PES-ESS-BTS-0243?

Key published specs — Energy (per module): 4.9 kWh; Chemistry: Lithium Iron Phosphate (LFP); Nominal voltage: 48 V (module); HV stacks: 144 V (3×), 192 V (4×), 240 V (5×), 288 V (6×); Max charge/discharge current: 50 A (module / stack rating). 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-0243 datasheet?

Fortress Power publishes datasheets and installation documents through its official website. For the PES-ESS-BTS-0243 datasheet PDF specifically, call (502) 790-0600 and we will include it with your quote.

Is the Fortress Power PES-ESS-BTS-0243 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-0243 is the right part?

Match the full part number PES-ESS-BTS-0243 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.