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Comparison Chart

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 3 cabinets (28.8kWh) 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 (Pylontech) Lithium NMC Lithium NMC (Panasonic) LiFePO4 (Pylontech)
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
Recommended Retail Price per kWh (including inverters) ex gst  $860 (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)