CTEK vs Fronius: EV Charger Comparison

Head-to-head comparison of CTEK and Fronius home EV chargers for New Zealand homes in 2026. Prices are indicative NZD installed ranges.

FeatureCTEKFronius
Price range$2,600-$3,600$2,900-$4,000
Power options7.4kW, 22kW7.4kW, 22kW
Phases1-phase, 3-phase1-phase, 3-phase
Cable length5m5m
Smart featuresYesYes
Solar integrationNoYes
Warranty3 years3 years
CountrySwedenAustria
Best forHomeowners in harsh climates wanting proven Scandinavian reliability and build qualityHomeowners with Fronius solar wanting seamless solar-to-EV charging

CTEK

Pros

  • 25+ years of battery charging expertise
  • Built for extreme weather (Nordic-engineered)
  • Type 2 socket option for cable flexibility
  • Strong dynamic load balancing
  • OCPP 1.6 compliant

Cons

  • No built-in solar diversion
  • Mid-range pricing for the features offered
  • Less well-known in the consumer EV space
  • App experience behind Wallbox and Ohme

Fronius

Pros

  • Best solar integration for Fronius inverter owners (direct communication)
  • Three charging modes: Next Trip, Eco, and Solar-only
  • Austrian engineering quality
  • PV surplus charging maximises free solar energy
  • Well known to solar installers

Cons

  • Premium pricing
  • Best value only if you have a Fronius inverter
  • Newer to EV charging than to solar
  • Fewer installer options than mainstream charger brands

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Frequently Asked Questions

Is CTEK or Fronius better for New Zealand homes?
CTEK is best for: homeowners in harsh climates wanting proven scandinavian reliability and build quality. Fronius is best for: homeowners with fronius solar wanting seamless solar-to-ev charging. Ask local installers to quote both so you can compare installed prices for your home.
Which is cheaper, CTEK or Fronius?
CTEK starts from $2,600 installed, while Fronius starts from $2,900. CTEK has the lower entry price.
Which has better solar integration, CTEK or Fronius?
CTEK does not have built-in solar integration. Fronius offers solar integration.