A 48 A smart charger at a 40 A price, for owners of big-battery EVs who can hardwire on a 60 A circuit.
Amazon $349.99The Grizzl-E Ultimate 48A is the better level 2 EV charger overall, rated 4.8 to 4.1. The Grizzl-E Ultimate 48A leads on ENERGY STAR and smart features. The Grizzl-E Ultimate 48A costs $80 less ($349.99 vs $429.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
A low-priced smart hardwired charger with a little more than 48 A, for buyers with a 70 A circuit who want app scheduling without paying for a big brand.
Amazon $429.99Which should you buy?
- Choose the Grizzl-E Ultimate 48A for ENERGY STAR (ENERGY STAR certified vs not ENERGY STAR certified) and smart features (app control, off-peak scheduling, load sharing vs app control, off-peak scheduling).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 48 A and up level 2 EV charger; a clear win is highlighted. How we rank explains each one.
| Factor weight | Grizzl-E Ultimate 48A | WOLFBOX WE50 50A |
|---|---|---|
| Overall rating | 4.8/5 | 4.1/5 |
| Value 30% | 100 $349.99 | 94 $429.99 |
| Safety listing 15% | 100 listed: UL certified (UL file E510712) | 100 listed: UL 2594 (CSA) |
| Smart features 15% | 100 app control, off-peak scheduling, load sharing | 70 app control, off-peak scheduling |
| ENERGY STAR 10% | 100 ENERGY STAR certified | 0 not ENERGY STAR certified |
| Weather rating 10% | 100 NEMA 4: rain, hose spray and dust | 100 NEMA 4X: rain, hose spray and dust |
| Cable 10% | 100 25 ft cable | 100 25 ft cable |
| Warranty 10% | 50 3-year warranty | 0 warranty not published, scored as none |
Specifications
| Grizzl-E Ultimate 48A | WOLFBOX WE50 50A | |
|---|---|---|
| Charging | ||
| Maximum power | 48 A (11.5 kW) | 50 A (12 kW) |
| Adjustable current | Yes | Yes |
| Vehicle plug | J1772 or Tesla (NACS) | J1772 |
| Cable length | 25 ft | 25 ft |
| Installation | Hardwired | Hardwired |
| Smart features | ||
| Wi-Fi | Yes | Yes |
| App | Yes | Yes |
| Off-peak scheduling | Yes | Yes |
| Load sharing | Yes | - |
| OCPP (third-party networks) | Yes | - |
| Safety and build | ||
| Safety listing | UL certified (UL file E510712) | UL 2594 (CSA) |
| ENERGY STAR | Yes | No |
| Weather rating | NEMA 4 | NEMA 4X, IP66 |
| Lowest operating temperature | -22 °F | - |
| Dimensions | 10.25 x 6.25 x 3.75 in | - |
| Weight | 21 lb | - |
| Warranty | 3 years | - |
| Released | 2024-04 | - |
