Grizzl-E Ultimate 80A EV Charger Review
The Grizzl-E Ultimate 80A EV charger is a rugged, 80A Level 2 EV charger delivering up to 19.2 kW. Built for indoor/outdoor use with Wi-Fi, adjustable amperage, and J1772 or NACS connector.
This is my expert review of the Grizzl-E Ultimate 80A EV Charger, a hardwired Level 2 EV charger engineered for fast 80 amps (19.2 kW) Level 2 EV charging on a 240V circuit in residential, workplace, and commercial installations where fast turnaround is critical.
Grizzl-E, a Canadian EVSE manufacturer, is known for building ultra-rugged, UL-certified chargers with a strong emphasis on weather resistance, safety, and raw charging power. The Grizzl-E Ultimate 80A EV charger is their flagship model. It delivers up to 80 amps (19.2 kW) of charging output in a NEMA 4X-rated metal enclosure built to withstand extreme indoor and outdoor environments.
I’ve tested the Grizzl-E Ultimate 80A EV charger alongside other top-performing 80-amp EV chargers, including top competitors such as the Autel MaxiCharger 80A EV charger. In this review, I break down how the Grizzl-E Ultimate stacks up in terms of installation, build quality, charging performance, and smart EV charging features.
Summary
The Grizzl-E Ultimate 80A EV charger is a powerhouse 240V Level 2 EV charger built for maximum durability and ultra-fast home charging. Delivering up to 80 amps (19.2 kW), it ranks among the fastest residential EV chargers on the market – ideal for large-battery EVs and homes equipped with a 100-amp dedicated circuit and heavy-duty wiring. Its rugged, NEMA 4X-rated aluminum enclosure and 25-foot premium cable make it fully outdoor-ready, while adjustable amperage settings allow compatibility with a variety of lower-capacity circuits.
Smart EV charging functionality is delivered via Wi-Fi and Grizzl-E Connect, but is limited to Open Charge Point Protocol (OCPP)1.6, restricting its integration with modern smart grid and solar EV charging systems. It’s an EV charger that prioritizes brute charging force and reliability over high-end smart EV charging features. If you need maximum charging speed with offline capability and weatherproof toughness, the Grizzl-E Ultimate is hard to beat.
However, when it comes to advanced smart home energy management, the Autel MaxiCharger 80A charger matches the Grizzl-E Ultimate 80A EV charger in power output (80 amps / 19.2 kW) but offers a clear advantage in future-ready technology. It supports OCPP 2.0.1 and ISO 15118, enabling features like vehicle-to-grid (V2G) and bidirectional EV charging, solar energy optimization, and dynamic load balancing; key capabilities for modern, energy-efficient homes and commercial EV charging applications. While the Grizzl-E Ultimate 80A EV charger excels in raw performance and rugged durability, the Autel MaxiCharger 80A charger leads in smart functionality, flexibility, and long-term adaptability.
Grizzl-E Ultimate 80A EV Charger Specifications
- Max Output Power: 80A / 19.2 kW (100A circuit required)
- Charging Connector: J1772 or NACS
- Adjustable Amperage: 80A, 64A, 56A, 48A, 40A, 32A, 24A or 16A
- Length of Cable: 25ft. Cable
- Connectivity: Wi-Fi, Grizzl-E Connect App
- Enclosure Rating: NEMA 4X (cast aluminum)
- Installation: Hardwired only (kit included)
- Certifications: UL Certified
- Dimensions: 10.25″ x 6.25″ x 3.75″
- Weight: 19.84 lbs
- Warranty: 3 Years (2 extra years cost $200)
- Made in: Canada
Grizzl-E Ultimate 80A EV Charger Design & Build Quality
Grizzl-E Ultimate 80A EV charger is purpose-built for durability, just like its predecessors; the legendary tough dumb Grizzl-E Classic EV Charger and the budget-friendly Grizzl-E Smart Level 2 EV Charger. Just like its predecessors, the Grizzl-E Ultimate 80A EV charger features a boxed profile design made of a cast aluminum NEMA 4X enclosure, which is water and weather-resistant, allowing confident outdoor installation in any climate. The 80 Amp EV charger includes a thicker, slightly stiffer 25-foot charging cable than its predecessors with either a J1772 or NACS connector. Every component from the heavy-duty cable holster to the quick-release mounting bracket feels overbuilt for long-term reliability.
Grizzl-E Ultimate 80A EV Charger Performance
The Grizzl-E Ultimate 80A EV charger delivers blistering-fast Level 2 charging – up to 19.2 kW. That’s twice the power of standard 40A units and up to 14x faster than a Level 1 charger. It’s a top-tier choice for EVs with large battery packs that can take full advantage of the 80A output, like the Lucid Air, Rivian R1T, or Ford F-150 Lightning. Its reliability is a standout feature; charging continues even during Wi-Fi interruptions, and built-in protections guard against overvoltage, overcurrent, ground faults, and more.
Depending on your EV’s efficiency, you can expect the following estimated miles of range added per hour of charging based on the selected amperage configuration of the Grizzl-E Ultimate 80A EV charger.
- 80A (19.2 kW): Adds up to 75 miles of range per hour
- 64A (15.4 kW): Adds up to 60 miles of range per hour
- 56A (13.4 kW): Adds up to 50 miles of range per hour
- 48A (11.56 kW): Adds up to 45 miles of range per hour
- 40A (9.6 kW): Adds up to 38 miles of range per hour
- 32A (7.68 kW): Adds up to 30 miles of range per hour
- 24A (5.76 kW): Adds up to 22 miles of range per hour
- 16A (3.84 kW): Adds up to 15 miles of range per hour
Grizzl-E Ultimate 80A EV Charger Smart Features
Grizzl-E Ultimate 80A EV charger offers basic smart functionality via Wi-Fi and the Grizzl-E Connect App (iOS or Android) or any other OCPP third-party applications such as the Epic Charging App. You can schedule charging, monitor sessions in real-time, view energy statistics, and receive firmware updates. However, it uses OCPP 1.6, an older smart charging standard, which limits its remote management capabilities and compatibility with modern energy systems. An external Wi-Fi antenna boosts connectivity range.
Grizzl-E Ultimate 80A EV Charger Safety & Certification
The Grizzl-E Ultimate 80A EV charger is UL-tested and certified, with integrated safety features including GFCI, over/under voltage protection, self-recovery, and power outage recovery. It’s built to meet the rigorous demands of home and light commercial use.
Grizzl-E Ultimate 80A EV Charger vs Autel MaxiCharger 80A EV Charger
While the Grizzl-E Ultimate 80A EV charger matches the Autel MaxiCharger 80A in raw power- both delivering a full 80 amps (19.2 kW) – it lags in smart EV charging capabilities. The Grizzl-E Ultimate 80A EV charger runs on OCPP 1.6, offering basic connectivity for scheduling and monitoring but lacking deeper integration with energy systems, solar setups, or grid optimization tools. By contrast, the Autel MaxiCharger supports OCPP 2.0.1 and ISO 15118, which enable advanced features like vehicle-to-grid (V2G) readiness, dynamic load balancing, secure communication, and photovoltaic green charging modes.
Autel’s charger is designed for future-proof smart homes, fleet management, and solar EV charging, making it ideal for tech-forward environments. Grizzl-E Ultimate 80A EV charger is better suited for users who want maximum power, extreme durability, and simple, reliable operation – even offline or in remote conditions. In essence, the Grizzl-E Ultimate 80A EV charger is a beast of a charger built for raw performance and rugged reliability, while the Autel MaxiCharger 80A charger leads in intelligent energy management and next-generation smart EV charging.
Grizzl-E Ultimate 80A EV Charger Installation
The Grizzl-E Ultimate 80A EV charger is a hardwired-only Level 2 charger designed for high-capacity 100A dedicated EV charging circuits, delivering up to 80 amps of continuous power (19.2 kW). It’s ideal for homeowners with the electrical panel space and wiring capacity to support full-speed EV charging.
While it lacks dynamic load management like the Autel MaxiCharger 80A charger, the Grizzl-E Ultimate 80A EV charger offers flexible amperage control via internal DIP switches. With firmware version UUGRWOOOA-03.10.0 update through the Grizzl-E Connect App, we got two additional amperage option settings (56A and 64A), expanding support for a broader range of circuit capacities.
- 80A (19.2 kW) for 100A circuit breakers
- 64A (15.4 kW) for 80A circuit breakers
- 56A (13.4 kW) for 70A circuit breakers
- 48A (11.56 kW) for 60A circuit breakers
- 40A (9.6 kW) for 50A circuit breakers
- 32A (7.68 kW) for 40A circuit breakers
- 24A (5.76 kW) for 30A circuit breakers
- 16A (3.84 kW) for 20A circuit breakers
The amperage flexibility allows the Grizzl-E Ultimate 80A EV charger to fit both full-capacity and constrained electrical setups, making it highly versatile for different home installations.
In the box, you’ll find everything needed for a clean hardwired installation: a hardwire kit with terminal lugs and heat-shrink tubing, an RN key for accessing the front cover, a two-piece wall mounting bracket with hardware, and a remote plug holster with a standard lock pin. Grizzl-E also includes a quick start manual, app pairing guide, and a full cable management kit. The charger is available with either a J1772 or NACS connector and comes pre-attached with a rugged 25-foot cable for extended reach.
Unlike the Autel MaxiCharger 80A charger that offers multiple conduit options (top entry, bottom entry, rear entry, top parallel entry, bottom parallel entry), the Grizzl-E Ultimate 80A EV charger only offers a bottom entry conduit option, which may limit installation flexibility, especially in surface-mounted or low-clearance wall setups. We recommend planning conduit routing accordingly, whether you are installing the EV charger in a wall surface, EV charger lock box, or EV charger pedestal, to maintain a clean, code-compliant finish.
For outdoor or publicly accessible installations, we strongly recommend replacing the standard cotter-pin lock included with the Grizzl-E Ultimate 80A EV charger with the Grizzl-E Outdoor Security Lock. Engineered from corrosion-resistant stainless steel, this robust locking mechanism enhances security against tampering and theft. It’s purpose-built to secure the charger body or plug holster and includes two precision-cut keys for reliable access in all weather conditions. Ideal for exposed or shared environments where added physical protection is essential.
Grizzl-E Ultimate 80A EV Charger Circuit Wiring Diagrams
Proper circuit wiring is critical when installing the Grizzl-E Ultimate 80A EV charger to ensure safe, code-compliant performance across all supported amperage levels.
This guide outlines every Grizzl-E Ultimate 80A EV charger circuit wiring based on amperage configuration (80A, 64A, 56A, 48A, 40A, 32A, 24A, or 16A), including the required dedicated EV charger circuit breaker size, recommended EV charger solid copper wire gauges, and DIP switch settings for manual output adjustment. Whether you’re aiming for full 19.2 kW output on a 100A circuit, aligning with your EV’s onboard charger limits, or working within the constraints of your electrical panel, these diagrams offer the installation clarity needed for a professional hardwired setup.
Grizzl-E Ultimate 80A EV Charger Circuit Wiring Diagram for 80A (100A Breaker) Installation
The 80A configuration requires two 3-4 AWG copper conductors for L1 and L2, plus a 3-6 AWG copper ground wire. It must be connected to a dedicated 100A double-pole breaker, with wiring routed through conduit either directly to the charger or via a junction box, as shown in the diagram below. This setup delivers the full 80 amps (19.2 kW) of charging power and uses DIP switch settings: OFF, ON, ON, ON.
Grizzl-E Ultimate 80A EV Charger Circuit Wiring Diagram for 64A (80A Breaker) Installation
The 64A wiring configuration requires two 3-4 AWG copper conductors for L1 and L2 and a 3-6 AWG copper ground wire. The charger must be connected to a dedicated 80A double-pole circuit breaker, with conductors routed in conduit either directly to the charger or through a junction box, as shown in the circuit wiring diagram below. This setup supports a 64-amp (15.4 kW) output and uses DIP switch settings: OFF, OFF, ON, ON.
Grizzl-E Ultimate 80A EV Charger Circuit Wiring Diagram for 56A (70A Breaker) Installation
The 56A wiring configuration requires two 4-6 AWG copper conductors for L1 and L2 and a 3-6 AWG copper ground wire. The charger must be connected to a dedicated 70A double-pole circuit breaker, with conductors routed in conduit either directly to the charger or through a junction box, as shown in the wiring diagram below. This setup supports a 56-amp (13.4 kW) output and uses DIP switch settings: OFF, ON, OFF, ON.
Grizzl-E Ultimate 80A EV Charger Circuit Wiring Diagram for 48A (60A Breaker) Installation
The 48A configuration requires two 4-6 AWG solid copper conductors for L1 and L2 and a 4–8 AWG copper ground wire. It must be installed on a dedicated 60A double-pole circuit breaker, with wiring routed in conduit either directly to the charger or through a junction box, as shown in the wiring diagram below. This setup delivers up to 48-amp (11.5 kW) of charging power and uses DIP switch settings: OFF, OFF, OFF, ON.
Grizzl-E Ultimate 80A EV Charger Circuit Wiring Diagram for 40A (50A Breaker) Installation
For the 40A configuration, the Grizzl-E Ultimate should be connected to a dedicated 50A double-pole circuit breaker using two 6-8 AWG copper conductors for L1 and L2 and a 6-8 AWG copper ground wire. Conductors should be routed in conduit either directly to the charger or through a junction box, as illustrated in the wiring diagram below. This setup delivers up to 40-amp (9.6 kW) of charging power and is well-suited for installations where a full 80A circuit is not available. DIP switch settings: OFF, ON, ON, OFF.
Grizzl-E Ultimate 80A EV Charger Circuit Wiring Diagram for 32A (40A Breaker) Installation
For the 32A configuration, the charger should be connected to a dedicated 40A double-pole circuit breaker using two 6-8 AWG copper conductors for L1 and L2 and an 8 AWG copper ground wire. Conductors must be routed in conduit either directly to the charger or through a junction box, as shown in the wiring diagram below. This setup supports up to 32-amp (7.68 kW) of charging power – ideal for daily residential charging on mid-capacity circuits. DIP switch settings: OFF, OFF, ON, OFF.
Grizzl-E Ultimate 80A EV Charger Circuit Wiring Diagram for 24A (30A Breaker) Installation
For the 24A configuration, the charger should be wired with 8 AWG solid copper conductors for L1, L2, and an 8 AWG ground. Conductors must be routed in conduit, either directly to the charger or through a junction box, and connected to a dedicated 30A double-pole circuit breaker, as shown in the wiring diagram below. Delivering up to 24-amp (5.76 kW) of charging power, this setup is suitable for smaller EVs, plug-in hybrids, or homes with limited panel capacity. DIP switch settings: OFF, ON, OFF, OFF.
Grizzl-E Ultimate 80A EV Charger Circuit Wiring Diagram for 16A (20A Breaker) Installation
For the 16A configuration, the Grizzl-E Ultimate should be wired with 8 AWG solid copper conductors for L1, L2, and 8 AWG ground. Conductors must be routed in conduit, either directly to the charger or via a junction box, and connected to a dedicated 20A double-pole circuit breaker, as illustrated in the wiring diagram below. This lowest-amperage setup delivers up to 16 amps (3.84 kW) – ideal for slow overnight charging, plug-in hybrids, or homes with limited electrical capacity. DIP switch settings: OFF, OFF, OFF, OFF.
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