Recommended Retail Price per kWh including inverter
Dyness $766
Tesla $1090
Dyness batteries consistently out perform the competition.
| Manufacturer | Dyness | LG Chem | Tesla | Sonnen |
|---|---|---|---|---|
| Model | Powerbox | RESU Series | Powerwall 2 | Sonnenbattterie hybrid |
| Type | Lithium Battery System 48V | Lithium Battery System 48V | AC Lithium Battery System | Lithium Battery System 48V |
| Dimensions | 928 (H) 555 (W) 210 (D) | 483 (H) 452 (W) 227 (D) (9.8 kWh) | 1150 (H) 755 (W) 155 (D) | 1370 (H) 670 (W) 230 (D) (10 kWh) |
| Solar Storage | YES (requires inverter) |
YES (requires inverter) |
YES (built-in AC coupled inverter) |
YES (built-in hybrid inverter) |
| Backup During Outage | YES (requires inverter) |
YES (requires inverter) |
YES (requires Tesla Gateway) |
YES |
| Off-Grid Capability | YES | YES | NO | YES |
| CEC Accredited | YES | YES | YES | YES |
| Solar Battery Rebate Approved | YES | YES | YES | YES |
| Modular System – can be expanded | YES | NO | NO | YES |
| Modular Expansion Increments | 2.4kWh increments | N/A | N/A | 2.5kWh increments |
| Minimum Battery Size | 2.4kWh | 3.3kWh | 13.5kWh | 5kWh |
| Battery Size Options | Max capacity of Powerbox – 9.6kWh Max capacity with Powercube – 21.6kWh |
Fixed sizes of 3.3kWh, 6.5kWh, 9.8kWh, 12.4kWh | Fixed 13.5kWh | 5 kWh |
| Capacity Expansion Limitations | Powerbox – max of 4 cabinets (38.4kWh) Powercube – no limits |
Max of 2 units (19.6kWh) | Max of 3 units (40.5kWh) | Max of 3 cabinets (45kWh) |
| Outdoor Rated | YES | YES | YES | YES |
| Usable Capacity | 90% | 90% | 90% | 90% |
| Battery Chemistry | LiFePO4 | Lithium NMC | Lithium NMC (Panasonic) | LiFePO4 |
| Warranty | 10 years 6000 cycles (70% EOL capacity) |
10 years 60% EOL capacity |
10 years 70% EOL capacity |
10 years 10,000 cycles |
| Compatible Inverters | Goodwe, Sofar, Solis, Luxpower Victron, Imeon, Deye SMA, Infini/Voltronic/Axpert GMDE, Sungrow, Delios, Imeon. |
SMA, Solax, Selectronic Victron, Redback Goodwe |
N/A AC Coupled | Built-in hybrid inverter |
| RRP per kWh including inverters | $766 (based on 9.6kWh unit) | $1,000 (based on 9.8kWh unit) | $1,090 (based on 13.5kWh unit) | $1,400 (based on 10kWh unit) |