Powerwall 3 is literally built for brutal winter conditions Tesla’s Heat Mode intelligently warms the battery so it can keep charging and discharging even when outside temperatures fall to -20°C How it works: • Heat Mode automatically warms the battery cells when needed • At -20°C ambient, it can maintain a minimum internal cell temperature of 0°C • It typically uses only ~200 Wh to prepare the battery for charging from solar • Works automatically…no manual heating setup needed • Powerwall 3 is rated to operate from -20°C to 50°C • Designed for both indoor and outdoor installation So even on the coldest winter days, Powerwall can keep storing solar, powering the home and staying ready for an outage A home battery that basically keeps itself warm so it can keep working