BLUETTI · Updated August 2026
EP900 + 2×B500: specs & release date
EP900 + 2×B500, released 2023. Every price and spec below is linked to its source and dated — no guesses.
Source: es-media-prod.s3.amazonaws.com verified ✓ corroborated verify in ledger
The EP900 + 2×B500 has no published US price yet. It earns a Bronze Deskmark — 43/100 pay-blind standing, #8 of 12 in class.
Verified Aug 1, 2026 · figures linked to their source in the table below
Is the EP900 + 2×B500 a good buy?
On the spec sheet, its round trip efficiency of 85 is the lowest of the 10, its warranty years of 10 is the lowest of the 12, and its backup transfer time ms of 10 is the lowest of the 4.
Specifications
| Price (US) | Not published Retailer InvertersRUs lists configurable EP900 bundles ranging from $3,999.00 (a single B500 battery module alone, requires an existing EP900) to $17,298.00 (EP900 + 4×B500 + Reliance sub-panel); the specific price for the 2-module base bundle used for these specs could not be isolated from the listing, so priceUsd is left null. |
|---|---|
| Brand | BLUETTI |
| Released | 2023 |
| Usable capacity kwh | 8.9 |
| Continuous power (kW) | 7.6 |
| Peak power (kW) | 9 |
| Battery chemistry | LiFePO4 (LFP) |
| Round trip efficiency | 85 |
| Scalable stackable | Yes |
| Warranty years | 10 |
| Backup transfer time ms | 10 |
| Weight (lb) | 361.4 |
Source: es-media-prod.s3.amazonaws.com (verified 2026-08-01) · corroborated by invertersrus.com. BLUETTI's official EP900 data sheet PDF was downloaded and read directly. The base sold bundle pairs one EP900 inverter/enclosure with 2 B500 battery modules: the datasheet's own system table lists this as '9.9kWh' nominal capacity and '7.6kW' continuous output off-grid (9kW on-grid, used here as peak_power_kw), >85% AC/AC round-trip efficiency, <10ms on/off-grid switching time, and a 10-year limited warranty; net weight sums the EP900 (105.8 lb) plus 2× B500 (127.8 lb each) = 361.4 lb. Usable_capacity_kwh (8.9) instead uses InvertersRUs' retailer-listed 'usable capacity' figure (4.464 kWh x 2 modules = 8.928 kWh), which is lower than the datasheet's rounded nominal 9.9 kWh — both numbers are disclosed here since the datasheet does not itself use the word 'usable'. The system is expandable to 4 modules (19.8 kWh) per EP900, or to 39.6 kWh by combining two EP900 units. No isolated price for the 2-module bundle was found; InvertersRUs' page only exposes the full $3,999-$17,298 range across all its configurable options. Image is a genuine BLUETTI product photo (via Wellbots' listing) showing three stacked, EP900/B500-branded outdoor units, visually confirmed.
Frequently asked questions
How much does the EP900 + 2×B500 cost?
The EP900 + 2×B500 has no published US price as of 2026-08-01.
When was the EP900 + 2×B500 released?
The EP900 + 2×B500 was released 2023.
What are the EP900 + 2×B500's key specs?
EP900 + 2×B500 (BLUETTI): usable capacity kwh 8.9, continuous power kw 7.6, peak power kw 9, battery chemistry LiFePO4 (LFP), round trip efficiency 85. Full sourced spec sheet verified 2026-08-01.
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