EndurEnergy 20.48 kWh - 4 * ESP-5100 Battery Packs & Inverter Case ESP-IBU20
EndurEnergy 20.48 kWh - 4 * ESP-5100 Battery Packs & Inverter Case ESP-IBU20
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- SKU
- PES-ESS-BTS-0352
- MPN
- ESP-IBU20
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EndurEnergy ESP-IBU20 — 20.48 kWh (4× ESP-5100) Integrated Battery + Inverter Enclosure
What’s included: Inverter-ready outdoor enclosure with integrated BMS and 4× ESP-5100 LFP battery packs (51.2 V nominal). Ships as an inverter case/enclosure; compatible with Sol-Ark 5K/8K/12K (EMP variants). When bundled with a Sol-Ark 12K, system AC output is up to 12 kW.
Why ESP-IBU20
- 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).
Key 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 |
| 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) |
Documents & Product Pages
Note: Some distributor listings show the inverter case with batteries but without the inverter; verify bundle contents at purchase.
Specifications & Documents: Full specifications & datasheet for EndurEnergy 20.48 kWh - 4 * ESP-5100 Battery Packs & Inverter Case ESP-IBU20
| SKU | PES-ESS-BTS-0352 |
|---|---|
| MPN | ESP-IBU20 |
| Manufacturer | EndurEnergy |
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