Deye AI-W5.1-8P3-EU-B
The Deye AI-W5.1-8P3-EU-B is a home battery with usable capacity 5.12 kWh, round-trip efficiency 95.5 % and cell chemistry LFP.1
Key figures
Technical specifications
| General | |
|---|---|
| Cell chemistry | LFP1 |
| Performance | |
| Usable capacity | 5.12 kWh1 |
| Nominal capacity | 5.12 kWh1 |
| Smallest configuration | 10 kWh1 |
| Efficiency | |
| Round-trip efficiency | 95.5 %1 |
| Dimensions & weight | |
| IP rating | IP651 |
| Min. operating temperature | -20 °C1 |
| Width | 720 mm1 |
| Height | 300 mm1 |
| Depth | 255 mm1 |
| Weight | 53 kg1 |
| Warranty & lifespan | |
| Warranted cycles | 6,0001 |
| Warranty | 10 years1 |
Manufacturer documentation
- Datasheet / specifications — AI-W5.1-5/6/8/10/12P3-EU-B-ESS All-in-one Energy Storage System – V3.0
External links to Deye's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.
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Frequently asked questions
What is the usable capacity of the Deye AI-W5.1-8P3-EU-B?
The usable capacity of the Deye AI-W5.1-8P3-EU-B is 5.12 kWh.1
What is the round-trip efficiency of the Deye AI-W5.1-8P3-EU-B?
The round-trip efficiency of the Deye AI-W5.1-8P3-EU-B is 95.5 %.1
Which cell chemistry does the Deye AI-W5.1-8P3-EU-B use?
The cell chemistry of the Deye AI-W5.1-8P3-EU-B is LFP.1
How long is the warranty on the Deye AI-W5.1-8P3-EU-B?
The warranty on the Deye AI-W5.1-8P3-EU-B is 10 years.1
Sources
- AI-W5.1-5/6/8/10/12P3-EU-B-ESS All-in-one Energy Storage System, V3.0 — NINGBO DEYE ESS TECHNOLOGY CO., LTD · accessed 16 Oct 2026