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NuWatt designs, installs, and manages solar, battery, heat pump, and EV charger systems across 9 states. One company, one warranty, one point of contact.
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Product image: Wallbox. Used for identification only; NuWatt is not affiliated with Wallbox.
Compact 40A L2 with genuine open OCPP, Power Boost load balancing, and a NEMA 4 enclosure. A favorite for workplace retrofits and multifamily submetering.
| Charger type | Level 2 (AC) |
| Max amperage | 40 A |
| Max power output | 9.6 kW @ 240 V |
| Range per hour | ~28 miles/hour at 40 A |
| Connector | SAE J1772 |
| Networked | Yes — myWallbox + OCPP 1.6J |
| OCPP version | OCPP 1.6J (open) |
| Wi-Fi / cellular | Wi-Fi + Bluetooth |
| NEMA rating | NEMA 4 (indoor/outdoor) |
| Cable length | 25 feet |
| Warranty | 3 years |
| Made in | Spain |
Open OCPP 1.6 makes integration with ChargePoint, Blink, or SWTCH back ends clean. Compact footprint fits parking-structure columns.
OCPP session data feeds tenant billing systems directly. Power Boost dynamic load balancing works well on shared multifamily feeders.
Smallest enclosure in its class — easily fits inside a crowded garage. Bluetooth-first pairing avoids Wi-Fi setup friction.
| Line item | Typical range |
|---|---|
| Hardware (MSRP) | $649 – $749 |
| Permits & inspection | $120 – $350 |
| Labor (licensed electrician) | $650 – $1,150 |
| Make-ready (wire, breaker) | $300 – $700 |
| Multifamily load-share config | $150 – $400 |
| All-in single-port install | $1,600 – $2,400 |
Multifamily installs with back-end billing integration typically add $150–$300 per port for SWTCH or Xeal commissioning.
Residential Section 30C covers up to 30% of cost, capped at $1,000 per household, when the Pulsar Plus is installed at a property in an eligible census tract. Multifamily and workplace sites follow the business investment credit rules — see the full guide.
Full Section 30C commercial guide
50 A, larger app ecosystem, not open OCPP. Better pick for residential on the ChargePoint network.
View spec
Same 40 A power, slightly cheaper — weaker OCPP support and mixed 2024 cloud reliability.
View spec
40 A, no app, cheapest at ~$399. Pick when reliability trumps features.
View specNuWatt handles Power Boost load-share design, OCPP back-end wiring, and MassEVIP/PSE&G rebate applications as part of the scope.
Last verified by NuWatt Engineering Team on 2026-04-14. Specs reflect the 2026 Wallbox datasheet. Installed cost ranges reflect NuWatt project data.