Deye Complete Off-Grid Solar & Battery System

Deye AI-W5.1B Stackable Battery (5.12kWh) – Modular LiFePO₄ Energy Storage Premium low-voltage (51.2V) LiFePO₄ battery modules designed to scale from a small home system to large storage banks. Now also available with solar panel configurations in 2.38kWh, 4.75kWh, 5.70kWh, 7.6kWh, 8.55kWh, 9.50kWh & 11.4kWh options. Built tough for Australian conditions, with clean installs and future expandability. ✅ CEC Approved ☀️ Solar Panels Included 🔋 5.12kWh per module 🧱 1–6 modules per stack (30.72kWh) ➕ Up to 6 stacks in parallel 🌧️ IP65 indoor/outdoor 🛡️ 10-Year warranty Overview The Deye AI-W5.1B is a modular (LFP) LiFePO₄ battery solution that lets you start with one module and grow capacity over time. LFP chemistry is known for safety and long service life, while the stackable format keeps the system neat and installer-friendly. This package also includes solar panel configuration options in 2.38kWh, 4.75kWh, 5.70kWh, 7.6kWh, 8.55kWh, 9.50kWh & 11.4kWh to match your energy requirements. Per-module energy 5.12kWh (Nominal) Chemistry LiFePO₄ (LFP) Stack Capacity Up to 30.72kWh Ingress Rating IP65 Key Benefits Modular scalability: add modules now or later as your loads grow Solar panel options included: available in multiple kWh configurations Clean installs: stackable system reduces clutter and complexity Built tough: IP65 rating for indoor/outdoor installs Long life: ≥ 6000 cycles to 70% end-of-life capacity Rebate-ready: CEC approved battery model (program rules apply) Need Help Sizing It? Tell us what you want to run overnight (fridge, lights, air-con, pumps, etc.) or send a power bill and we’ll recommend the right battery and solar panel configuration. Call 1300 375 257 Message Us What we’re known for: practical advice and real after-sales support (so you’re not left guessing after purchase). Available Solar Panel Configurations 2.38kWh Solar Panel Configuration 4.75kWh Solar Panel Configuration 5.70kWh Solar Panel Configuration 7.6kWh Solar Panel Configuration 8.55kWh Solar Panel Configuration 9.50kWh Solar Panel Configuration 11.4kWh Solar Panel Configuration Solar panel quantity and configuration vary depending on the selected kWh option. Modular Expansion (Verified) The AI-W5.1B system scales in two ways: Stacking (per stack): 1–6 modules per stack (5.12kWh → 30.72kWh) Parallel (multiple stacks): up to 6 stacks (clusters) in parallel Maximum parallel capacity depends on inverter compatibility, site design, protection, cable sizing and manufacturer requirements. What’s Included Deye AI-W5.1B battery modules (quantity based on selected option) Solar Panels Included (configuration varies depending on selected option) Base + BMS included for each stack Required interconnects/communication components Deye Combiner Box included when ordering more than 1 stack Technical Specifications (Per Module) Model AI-W5.1-B Battery Chemistry LiFePO₄ (LFP) Nominal Energy 5.12kWh Capacity 100Ah Nominal Voltage 51.2V Operating Voltage 44.8V – 57.6V Ingress Protection IP65 Operating Temperature -20°C to 55°C Cycle Life ≥ 6000 cycles Weight (Approx.) 74.5 kg Warranty 10 years FAQs Are solar panels included? Yes — solar panel configurations are included and available in 2.38kWh, 4.75kWh, 5.70kWh, 7.6kWh, 8.55kWh, 9.50kWh and 11.4kWh options. Can I expand the battery capacity later? Yes — the modular design allows additional battery modules to be added later, subject to inverter compatibility. Is it suitable for outdoor installation? Yes — this battery system is IP65 rated and suitable for indoor or outdoor installation. Does each stack require a base and BMS? Yes — each stack uses a base and BMS included with the stack configuration.