Battery Comparison
Explore our battery line-up
We put countless batteries to the test and hand-picked two stand-out solutions from Sigenergy and Anker Solix.
This page breaks down the differences so you can explore the right choice for your home and energy needs.
Anker SOLIX X1 Battery
People looking for a battery solution with faster payback
Tight install spaces that need an ultra-slim battery
Homes in coastal or harsh environments
Those seeking a sleek and minimal battery design
Reliable battery storage with backup capability
Max capacity: 5-50 kWh (30 kWh per stack)
IP rating: 1P66
Corrosion class: C5-M
Backup type: Partial home
Changeover: Under 10ms
Warranty: 10 years
Sigenergy SigenStor Battery
An all-in-one solution with inverter, battery and energy management in one stack
Homes that want more capacity and modular storage in a single stack
Those seeking advanced safety features with built-in fire suppression
EV owners looking for a battery with DC charging and V2G potential
Those looking for full home backup with instant switchover
Max capacity: 8-48 kWh (48 kWh per stack)
IP rating: 1P66
Corrosion class: C4-M
Backup type: Full home
Changeover: Instant
Warranty: 10 years
Anker SOLIX X1
Sigenergy SigenStor
Battery module capacity (usable)
5 kWh
7.8 kWh
Battery module capacity (nominal)
5 kWh
8 kWh
Capacity range
5-50 kWh
8-48 kWh
Max capacity per stack
30 kWh
48 kWh
Max inverter size
6 kW or 5 kW + 5 kW (single phase)
12 kW (three phase)
10 kW (single phase)
30 kW (three phase)
IP rating
IP66
High water and dust resistance; outdoor suitable
IP66
High water and dust resistance; outdoor suitable
Operating temperature range
-20 to 55 °C
-20 to 55 °C
Corrosion class
C5-M
Can be installed 300+m from coast
C4-M
Can be installed 500+m from coast
Backup capability
Partial home backup
Full home backup
Backup changeover
Under ~10 milliseconds
Instant
EV integration
Available with AC Coupled X1
Optional integrated DC EV charging
Safety features
Automatic fault isolation
Individual module shutdown
Thermal runaway protection
Automatic fault isolation
Individual module shutdown
Thermal runaway protection
Inbuilt fire extinguisher
Temperature sensors & insulated pads
Cost Profile
Faster payback
Longer payback
Product warranty
10 years
10 years
Product Specifications
Data sheet downloads
Backup capability
Partial home backup with fast changeover (under 10 milliseconds).
‘Storm Guard’ mode allows pre-charging before potential outages.
Full home backup with instant changeover via Energy Gateway.
Capacity & scalability
5 kWh modules.
Up to 30 kWh per battery stack (or 50 kWh via two battery stacks.)
8 kWh modules.
Up to 48 kWh per battery stack.
Weather & corrosion
IP66 rating to suit outdoor install.
C5-M corrosion class enables install 300m + from coastline.
IP66 rating to suit outdoor install.
C4-M corrosion class enables install 500m + from coastline.
Safety systems
Can detect faults, isolate and shut down single modules.
Thermal runaway protection.
Can detect faults, isolate and shut down single modules.
Thermal runaway protection.
Built-in fire extinguisher in every module.
Temperature sensors & insulated pads.
EV charging & integration
Can support separate EV charging units like the Anker SOLIX V1.
DC EV charging module can be integrated as part of the SigenStor system stack.
Vehicle-to-Grid (V2G) ready.
Warranties
10 year product warranty.
5 year workmanship warranty.
10 year product warranty.
5 year workmanship warranty.