GM PowerUp vs Grizzl-E Ultimate
The Grizzl-E Ultimate outputs 80 A (19.2 kW) versus 48 A (11.52 kW) for the GM PowerUp — about 67% faster charging on vehicles that can accept it. The Grizzl-E Ultimate draws less standby power (1.78 W vs 3.51 W).
| GM PowerUp | Grizzl-E Ultimate | |
|---|---|---|
| Connector type | J1772 | J1772 |
| Max output current | 48 A | 80 A |
| Max output power | 11.52 kW | 19.2 kW |
| Wi-Fi / app connected | Yes | Yes |
| Cable length | 25 ft | 25 ft |
| ENERGY STAR certified | Yes | Yes |
| Input voltage | 240 V | 240 V |
| Standby power draw | 3.51 W | 1.78 W |
Frequently asked questions
Which is faster, the GM PowerUp or the Grizzl-E Ultimate?
The Grizzl-E Ultimate: 80 A (19.2 kW) against 48 A (11.52 kW), provided your EV's onboard charger can use the extra power.
Are the GM PowerUp and Grizzl-E Ultimate both ENERGY STAR certified?
Yes — every charger in this database is drawn from the U.S. EPA ENERGY STAR certified EVSE list.