Portable Level 3 EV Charger 20kW 10kWh – Roadside Rescue

True Off-Grid Emergency EV Charging with Built-in Battery

Unlike fixed DC fast chargers, our compact portable mobile EV fast DC charger integrates a 10kWh built-in battery, allowing you to deliver Level 3 charging anywhere – no grid connection required. Perfect for road rescue, roadside assistance, and emergency EV recovery.

Key Features – Why Choose This Mobile DC Fast Charger

  • Level 3 DC Fast Charging – 20kW output adds up to 80–120 km of range per hour of charging.
  • 10kWh Built-in Battery – True off-grid operation. No need to connect to a power source during rescue.
  • Compact & Portable – Lightweight design (under 130kg) with wheels and handles for one-person transport.
  • Emergency Road Rescue Ready – Works with all EVs (CCS1, CCS2, CHAdeMO ,GBT, and Tesla with adapter).
  • Rugged & Weather-Resistant – IP54 rated for roadside conditions.
SKU: EG-Nova20M Category:
Description

Not a Normal DC Fast Charger – Built Specifically for Road Rescue

Compact portable level 3 mobile EV fast dc charger 20kw 10kwh for road rescue

 Most DC fast chargers require a permanent grid connection (480V three-phase). This is a mobile Level 3 EV charger with a battery inside. It’s designed for roadside rescue operators, tow truck companies, and emergency response teams who need to charge EVs anywhere, anytime.

Use Cases – Where This Portable EV Fast Charger Excels

Roadside Rescue & Towing – Get a stranded EV back on the road in 15–30 minutes.
Fleet Emergency Support – Mobile charging for delivery vans, taxis, and service vehicles.
Remote Locations – No grid? No problem. The built-in battery delivers instant Level 3 power.
Events & Temporary Charging – Concerts, marathons, or disaster relief zones.

bess event charging for ev
20kw portable ev charger

Technical Specifications

ParameterValue
Output Power20kW DC
Battery Capacity10kWh (LFP, 5000+ cycles)
Charging StandardLevel 3 (CCS Combo 1/2)
InputGrid  AC or built-in battery (off-grid mode)
Recharge Time (unit itself)2.5 hours @ 7kW AC sigle phase 120vac, 230vac,240v split phase
Dimensions1010mm*630mm*650mm
Weight130 kg
Operating Temp-20°C to 50°C
ApplicationRoadside rescue, tow trucks, fleet emergency, event charging

How It Works – Simple Road Rescue Workflow

  1. Arrive – Drive your rescue vehicle with the charger onboard.
  2. Deploy – Roll out the compact unit to the stranded EV.
  3. Connect – Plug into the EV’s CCS port.
  4. Charge – Deliver 20kW DC fast charge from the internal 10kWh battery.
  5. Return – Recharge the unit back at your depot via standard AC outlet.

The EGbatt Portable 11kW DC Fast Charger (Built‑in Battery, Off‑Grid Ready). When an EV runs out of charge on a highway or remote road, tow trucks equipped with this 11kW off‑grid charger can deliver a life‑saving 10–15 minute boost. The built‑in 11.264kWh battery provides 5–8 kWh of usable energy – enough to add 30–50 km of range, allowing the driver to reach the nearest public charger. No grid access, no generator noise, and no waiting for a flatbed tow.

Charging at park

Technical Comparison – Battery-Integrated vs Grid-Dependent

FeatureStandard DC Fast ChargerOur Portable Level 3 Charger
Grid requiredYes (480V 3-phase)No (built-in 10kWh battery)
MobilityFixed installationCompact, portable, wheels
Road rescue useImpossibleDesigned for roadside rescue
Weight500+ kg130 kg
Start timeWeeks (permits)Immediate

Charging Characteristics

ParameterSpecification
Input Characteristics 
DC Input – Voltage Range500V – 750V
DC Input – Current0 – 22A
DC Input – Power Factor≥0.99
AC Input – Voltage Range260V – 485V
AC Input – Current0 – 30A
AC Input – Power Factor≥0.99
Operating Frequency45 – 65 Hz
Output Characteristics (Battery Input Mode) 
Max Power11kW
Voltage Range150V – 750V
Output Current0 – 50A
Output Characteristics (AC Input Mode) 
Max Power11kW (customizable)
Battery Recharging Characteristics 
Max Recharge Power11kW

Battery Pack Electrical Performance

 
 
ParameterSpecification
Basic Performance 
Battery Capacity10 kWh
Charging Performance 
Operating Voltage Range500V – 750V
Max Continuous Charge Rate1C
Max Allowable Charge Temperature Range-10°C to 55°C (power derating 45–55°C)
Optimal Charge Temperature Range15°C – 30°C
Discharging Performance 
Max Continuous Discharge Rate2C
Operating Voltage Range500V – 750V
Max Allowable Discharge Temperature Range-20°C to 65°C (power derating 55–65°C)
Optimal Discharge Temperature Range15°C – 30°C
Standard Cycle LifeAmbient temperature 20–30°C, relative humidity 60% ±25% RH
1C standard charge to 3.65V, 1.0C standard discharge to 2.5V
5,000 cycles – capacity retention ≥80% after 4,000 cycles

Frequently Asked Questions

Q: Can this charger fully empty my EV battery?

A: It adds 8–12 kWh of energy (10kWh usable), enough for 60–100 km of driving – ideal for reaching the next fixed charger.

Q: How many rescues per charge?

A: One full internal battery gives 1–2 standard roadside rescues (10–20 minutes each). For heavy use, keep a spare unit or recharge after each rescue.

Q: Is it truly “Level 3”?

A: Yes. 20kW DC is classified as Level 3 (DC fast charging). It’s not a Level 2 AC charger.

Q: What’s included in the box?

A: Charger unit, CCS charging cable, AC recharge cable, user manual, wheel kit.

compact design for roadside rescue

Use Cases for the Portable 11kW DC Fast Charger (Built‑in Battery, Off‑Grid Ready)

Last‑Mile Delivery & Logistics Fleets

Courier companies (Amazon DSP, FedEx, DHL) operating electric vans often face depot power capacity limits. Our portable unit can be charged overnight via any 11kW AC outlet (260–485V wide range), then rolled to any van in the lot for a quick 11kW DC top‑up. One unit serves 3–5 vans per day, deferring expensive grid upgrades.

Outdoor Events & Festivals

Concerts, marathons, and county fairs often have zero EV charging infrastructure. Our IP54‑rated charger works in dust, rain, and heat (0–55°C). Place it near VIP parking, media zones, or shuttle EV pick‑up points. The 11kW output matches typical event dwell time (30–60 min), giving attendees a meaningful range boost while they enjoy the event.

Car Dealerships & Auto Repair Shops

Most dealerships have only Level 2 AC chargers (slow). To demonstrate a DC fast charging feature or quickly recharge test‑drive vehicles, our portable unit is ideal. No electrician, no permit, no 480V three‑phase connection. Just plug into an existing 240V outlet overnight, then fast‑charge EVs on the lot the next day.

Airport Ground Support Equipment (GSE)

Airports use hundreds of electric baggage tractors, belt loaders, and passenger shuttles. Fixed chargers consume valuable gate space. Our compact unit (1075×630×697mm) can be wheeled to any GSE parked on the apron. The built‑in battery eliminates cable tripping hazards and works in ‑20°C to 65°C (with derating above 55°C). Support for CAN and OCPP allows integration with airport telematics.

Film & TV Production Sets

Film sets are often miles from the nearest grid connection. Generators are loud and produce fumes. Our silent, emission‑free charger can recharge electric picture cars, honeywagons, or crew shuttles without interrupting audio recording. Use AC input from a portable generator (if needed) or solar‑charged battery packs.

Rural & Island EV Charging Deserts

Many rural communities, islands, and mountain lodges lack DC fast chargers. Our unit can be shared among neighbors or rented out by a local store. Charge the unit via any available AC source (including diesel gen‑set or solar inverter), then fast‑charge EVs on demand. The 4000‑cycle LFP battery ensures years of daily use.

Disaster Relief & Humanitarian Missions

After hurricanes, earthquakes, or floods, grid power can be out for weeks. NGOs and military units use our charger to keep electric ambulances, communications vehicles, and supply trucks running. The unit withstands humidity (60%±25% RH non‑condensing) and can be recharged from any available source – solar trailers, portable generators, or undamaged building outlets.

Rental Car & Used Car Lots

Rental car companies and used EV dealers need to keep 10–50 EVs charged without installing dozens of expensive chargers. One staff member can roll this portable unit between cars, providing a full 11kW DC charge in 1–2 hours per vehicle. The LCD touchscreen and RFID card reader make it easy for multiple employees to operate.

Electric School & Transit Buses (Depot or Route)

School bus depots often have limited power. Our 11kW unit can be used for opportunity charging – recharge a bus during its midday layover. Or keep one unit as a backup if a fixed charger fails. The wide voltage range (150–750V) covers most electric bus battery architectures.

Personal Use for Condo & Apartment Dwellers

Millions of EV owners park on the street or in condo garages without dedicated chargers. They can charge the portable unit at work or a public AC outlet (11kW AC input), wheel it to their parking spot, then fast‑charge their EV. The 130kg weight requires a ramp or two people, but for motivated owners, it solves the “no home charging” problem.

Order Your Roadside Rescue EV Charger Today

Equip your fleet with the 20kW portable Level 3 EV fast charger that works off-grid. Perfect for tow trucks, roadside assistance providers, and emergency services. Contact us for bulk pricing and custom branding.

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    Additional information
    Weight 130 kg
    Dimensions 1010 × 630 × 650 cm
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