JuiceBox 40
The JuiceBox 40 ranks #12 out of 12 home ev chargers with a calculated score of 7.8 / 10. A legacy pioneer in connected charging with a strong 40-amp hardware platform, though software stability has lagged newer competitors.
Good For
- Alexa smart home enthusiasts
- Broad utility rebate eligibility
- Generous 25-foot charging cord
Not For
- Software purists seeking bug-free apps
- Harsh subzero cold flexibility
Specifications
| Max output | 40 A |
|---|---|
| Power | 9.6 kW |
| Connector | J1772 |
| Cable | 25 ft |
| Install | Either |
| Smart | Wi-Fi + scheduling |
| Outdoor | NEMA 4 |
| Price | $500–800 |
Editor's Analysis & Field Notes
The JuiceBox 40 from Enel X was among the very first smart residential EVSEs to gain widespread utility adoption and rebate eligibility across North American power providers. Delivering 40 amps of power (9.6 kW) on a 50-amp circuit, it provides an estimated 30 miles of range per hour of charging. It includes a sturdy 25-foot cable, a built-in cable rack, and a security lock for outdoor mounting. The unit pairs with Amazon Alexa for voice commands and features an illuminated LED display indicating charging status. However, a major cloud migration in recent years caused app stability issues for some users, pulling down its reliability score relative to newer rivals from ChargePoint and Emporia.
Score Breakdown
Calculated from home ev chargers category weights on a 10-point scale:
| Sub-Score | Weight | Score |
|---|---|---|
| Performance | 30% | 8.5 / 10 |
| Value | 25% | 7.2 / 10 |
| Reliability | 20% | 7.4 / 10 |
| External | 15% | 7.8 / 10 |
| Popularity | 10% | 7.9 / 10 |