EndurEnergy ESP-IBU20: Specs & Datasheet
MPN: ESP-IBU20The EndurEnergy ESP-IBU20 is listed under battery storage in the EndurEnergy catalog at Portlandia Electric Supply. Contractors and buyers searching “ESP-IBU20” 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 | EndurEnergy |
|---|---|
| MPN | ESP-IBU20 |
| Energy | 20.48 kWh (4 × 5.12 kWh ESP-5100) |
| Chemistry | Lithium Iron Phosphate (LFP) |
| Nominal / Working Voltage | 51.2 V / 48–56 V |
| Battery Capacity | 400 Ah |
| Round-trip Efficiency | 97% |
| Recommended DoD | 90% |
| Cycle Life | ≈ 6,000 cycles |
| Enclosure (H × W × D) | 83.7″ × 28.4″ × 14.1″ |
| Weight | Enclosure 253.53 lb; Assembly with SA-12K + 4× ESP-5100: 701.95 lb |
| Protection | NEMA 3R |
| Compliance | UL 9540, UL 1973 (ESP-5100) |
| Inverter Compatibility | Sol-Ark 5K / 8K / 12K (incl. EMP models) |
| 20.48 kWh usable class | from four 5.12 kWh ESP-5100 LFP modules. |
| NEMA 3R | outdoor-rated steel cabinet; compact 83.7″ × 28.4″ × 14.1″ footprint. |
| Sol-Ark-ready | inverter bay (5K/8K/12K; EMP versions supported). |
| 10-year warranty | and UL 9540/UL 1973 listings (ESP-5100). |
Compatible With / Used In
- Battery Storage applications — manufacturer-listed product category for this part number
- Exact part-number replacements — this page covers MPN ESP-IBU20 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
EndurEnergy publishes datasheets and installation documents through its official website. For the ESP-IBU20 datasheet PDF specifically, call (502) 790-0600 and we will include it with your quote.
View the ESP-IBU20 product page →Get a quote →
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Frequently Asked Questions
What are the specs of the EndurEnergy ESP-IBU20?
Key published specs — Energy: 20.48 kWh (4 × 5.12 kWh ESP-5100); Chemistry: Lithium Iron Phosphate (LFP); Nominal / Working Voltage: 51.2 V / 48–56 V; Battery Capacity: 400 Ah. 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 ESP-IBU20 datasheet?
EndurEnergy publishes datasheets and installation documents through its official website. For the ESP-IBU20 datasheet PDF specifically, call (502) 790-0600 and we will include it with your quote.
Is the EndurEnergy ESP-IBU20 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 ESP-IBU20 is the right part?
Match the full part number ESP-IBU20 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.