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| Model | AKRS-20KWH |
| Battery Type | LiFePo4(LFP) |
| Battery Capacity | 400Ah |
| DC Norminal Voltage | 51.2V |
| Power Capacity | 20.48kWh |
| BMS | Over Charge、Over Discharge、Over Current、 Short Circuit |
| Cell cycle Life | 6000 times |
| Discharge Voltage | 43.2V-45.2V |
| Charge Voltage | 56V-58. 4V |
| Charging Current | 100A (Default) |
| Solar lnput | |
| MPPT Voltage | 120-500V |
| MPPT Input Power | 5500W |
| PV lnput Current | ≤100A |
| AC Input | |
| AC Charging Current | ≤60A |
| AC Input Voltage | 220/230/240VAC |
| Input Voltage Range | 185-264VAC士3V(UPSMode)154-264VAC士3V(Normal Mode) |
| Frequency | 50/60Hz士0.1% |
| AC Charging Efficiency | >95% |
| Switch Time(Bypass and Inverter) | 10ms (Typical Value) |
| Max Bypass Over load Current | 40A |
| AC Output | |
| Output Voltage Waveform | Pure Sine Wave |
| Rated Voltage | 208/220/230/240VAC土5% |
| Rated Power | 5000VA |
| Peak Power | 11000VA |
| Output Frequency | 50/60Hz士0.1% |
| Peak Effciency | 94% |
| Physical Parameters | |
| Dimension (mm) | 580*430*830 |
| Package Size(mm) | 5*633*514*287 |
| Net Weight (kg) | 196 |
| Gross Weight(kg) | 197.5 |
| Comunicat ion | RS485;RS232;WiFi Optional |
| Noise | < 45db |
| Working Temperature | -15℃~55℃ |
| Storage Temperature | -20℃~45℃ |
AKAIYAI AKRS-20KWH 51.2V 400AH Lithium Battery ,Looking for a reliable Powerwall alternative to meet your home energy needs? Our advanced energy storage system offers unmatched performance, affordability, and scalability. Designed to integrate seamlessly with solar panels, it ensures uninterrupted power during outages while reducing reliance on the grid. With a sleek, compact design, it fits perfectly in any home, making it the ideal Powerwall alternative for modern households.
Unlike traditional solutions, our Powerwall alternative features intelligent energy management, optimizing power usage based on your consumption patterns. Its high-capacity lithium-ion battery stores excess solar energy, allowing you to maximize self-sufficiency. Whether you’re looking to cut electricity bills or achieve energy independence, this system delivers superior efficiency and long-term savings.
Akaiyai Classic Cone High Voltage 20KW ESS Battery. Safety and durability are at the core of our Powerwall alternative. Built with fire-resistant materials and advanced thermal management, it ensures reliable operation in all conditions. The modular design allows for easy expansion, adapting to your growing energy demands. Plus, with remote monitoring via a user-friendly app, you’re always in control of your energy usage.
Upgrade to a smarter, more sustainable energy solution today. Our Powerwall alternative combines cutting-edge technology with eco-friendly performance, making it the perfect choice for forward-thinking homeowners. Join the renewable energy revolution and take the first step toward a greener future!
Akaiyai Classic Cone High Voltage 20KW ESS Battery Capacity – Perfect for homes, shops, offices & industrial backup.
51.2V, 400Ah LiFePO₄ Technology – Ensures long lifespan and high efficiency.
6000+ Charge Cycles – Designed for 10–12 years of reliable operation.
Smart BMS Protection – Over-voltage, over-current, temperature & short-circuit protection.
Fast Charging Capability – Supports high-input solar hybrid inverters.
High Discharge Rate – Suitable for heavy load appliances and 24/7 energy storage.
Modular & Expandable – Can be connected in parallel for larger solar systems.
Maintenance-Free Operation – No acid, no fumes, no hassle.
Model: AKAIYAI AKRS-20KWH
Nominal Voltage: 51.2V
Capacity: 400Ah
Energy: 20kWh
Battery Type: LiFePO₄ Lithium Iron Phosphate
Cycle Life: 6000+ cycles @ 80% DOD
Working Temperature: –10°C to 55°C
Communication: CAN / RS485 (optional)
Design Life: 10–12 years

| Weight | 300 kg |
|---|
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