Battery LV
AI-W5.1-B Stackable Battery · 5.12 kWh
AI-W5.1-B
5.12–30.72 kWh
The stackable 5.12 kWh LFP battery module used in the AI-W5.1 all-in-one system — also pairs with Deye 48 V hybrids. Tool-free stacking of 1–6 modules (5.12–30.72 kWh per cluster), IP65, ≥6000 cycles.
ResidentialCommercial
- Module energy
- 5.12 kWh (4.6 kWh usable)
- Nominal voltage
- 51.2 V
- Module capacity
- 100 Ah
- Configuration
- 1–6 modules (5.12–30.72 kWh)
- Chemistry
- LiFePO4 (cobalt-free)
- Cycle life
- ≥6000 (70% EOL)
- IP rating
- IP65 (after stacking)
- Warranty
- 10 years
✓ Specs verified against the official Deye datasheet.
Specifications
Module
- Cell chemistry
- LiFePO4
- Module energy
- 5.12 kWh
- Usable energy
- 4.6 kWh (90% DoD)
- Nominal voltage
- 51.2 V
- Operating voltage
- 43.2–57.6 V
- Module capacity
- 100 Ah
- Module dimensions (W×D×H)
- 720 × 255 × 300 mm
- Module weight
- 53 kg
- Built-in breaker
- 125 A 2P, 60 Vdc
System
- Modules in parallel
- 1–6 (max 184 kWh across clusters)
- Nominal energy
- 5.12–30.72 kWh (1–6 modules)
- Rated DC power
- 2.5–12 kW (by configuration)
- Max. charge / discharge current
- 100–250 A (by configuration)
- Peak current
- 150–360 A (10 s, 25 °C)
- Recommended DoD
- 90%
- PDU built-in breaker
- 250 A 2P, 1000 Vdc
General
- Operating temperature
- Charge 0–55 °C (−20–55 °C with heating) · Discharge −20–55 °C
- Communication
- CAN 2.0 / RS485
- Installation
- Wall-mounted or floor-mounted
- Cycle life
- ≥6000 (25 °C, 0.5C, 90% DoD, 70% EOL)
- Certification
- UN38.3, IEC62619, CE, UK, VDE2510-50, CEI 0-21, CE-LVD, CEC
- Warranty
- 10 years
Highlights
- The battery in the AI-W5.1 all-in-one system — and a standalone 48 V LFP battery for Deye hybrids.
- Tool-free stacking — 1–6 modules per cluster (5.12–30.72 kWh); flat, stackable, wall- or floor-mounted.
- IP65 after stacking, natural cooling, wide −20 to 55 °C operating range.
- Intelligent BMS with auto-networking, remote monitoring and firmware upgrade.
- ≥6000 cycles at 90% DoD; 10-year warranty; CEC listed.
Figures are from the official Deye AI-W5.1-B (AU) datasheet. For the complete packaged system (inverter + battery), see the AI-W5.1 All-in-One BESS.
