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Home  /  Zappi vs Ohme

Zappi vs Ohme: the specs, side by side

Both are 7 kW-class smart chargers on sale in Ireland with SEAI-grant versions. The main differences are in the makers' own data sheets: the zappi connects over Wi-Fi or Ethernet and has a 22 kW three-phase version, while Ohme's chargers connect over a 4G SIM and are single-phase only (Ohme). Installed, an Ohme ePod starts at €1,199 and a zappi at €1,395 before the grant.

Key points

The specs, from the manufacturers

myenergi zappiOhme Home ProOhme ePod
Rated power7 kW single-phase or 22 kW three-phase7.4 kW single-phase7.4 kW single-phase
Current32 A max, 6 A to 32 A variable32 A max32 A max
CableTethered (6.5 m, Type 2) or untethered Type 2 socketTethered, Type 2 plugUntethered, Type 2 socket
ConnectivityBuilt-in Wi-Fi and Ethernet3G/4G SIM, cost covered by Ohme for 3 years3G/4G SIM, cost covered by Ohme for 3 years
DisplayBacklit LCD and LEDLCD screen and LED stripLED status strip, no screen
Size (H × W × D)439 × 282 × 122 mm170 × 200 × 100 mm230 × 140 × 100 mm
WeightNot stated4 kg1.5 kg
WeatherproofingIP65IP55IP54
Impact ratingIK10IK08IK08
Operating temperature−25 °C to +40 °C−25 °C to 45 °C−25 °C to 50 °C
Built-in RCD30 mA Type A with 6 mA DC30 mA Type A with 6 mA DC30 mA Type A with 6 mA DC
PEN fault detectionNot stated on the data sheetBuilt inBuilt in
Solar chargingECO and ECO+ modes follow surplus generationWith a working CT clampWith a working CT clamp
Warranty3 yearsNot stated on the data sheets; ask the installer

Solar panels

Both can use surplus solar power. The zappi data sheet describes three modes: FAST, which charges at the fastest rate, and ECO and ECO+, which adjust the charge rate to surplus generation from solar PV or wind. Clip-on grid sensors come in the box. Ohme's data sheets say solar charging and dynamic load balancing are enabled with a working CT clamp, so drivers can charge from excess solar generation (Ohme).

If you want the car to charge only from what the panels are exporting, ask the installer to show you how that's set up on the model you're buying, and where the CT clamp or sensor goes in your fuse board.

Connectivity at the driveway

This is the practical difference people notice. The zappi talks to its app over your home Wi-Fi or an Ethernet cable, so a weak Wi-Fi signal at the gable wall matters. Ohme's chargers use a built-in 3G/4G SIM, with the cost covered by Ohme for the first 3 years (Ohme), so they don't rely on your router but do rely on mobile coverage where the charger is mounted.

Three-phase

The zappi comes in a 22 kW three-phase version. The Ohme Home Pro and ePod data sheets are for single-phase supplies. Most homes are single-phase, and three-phase needs an ESB Networks upgrade: see 3-phase chargers before you pay for a 22 kW unit.

Installed prices in Ireland

ChargerTypical installed, before grantAfter €300
Ohme ePod€1,199€899
Ohme Home Pro€1,249€949
zappi 7 kW€1,395–€1,495€1,095–€1,195

Which suits which house

Check the exact model against SEAI's Smart Charger Register before you buy, so the €300 grant applies.

Fixed written price

Zappi or Ohme on your wall?

Tell us where you are and whether you have solar. We come back with a fixed written price for the charger that suits the house.

No cost, no obligation. We price the job and introduce you to a Safe Electric registered electrical contractor. We are not an electrical contractor ourselves.

Zappi or Ohme: questions

Is Zappi or Ohme better for solar panels?

Both can charge from surplus solar. The zappi has ECO and ECO+ modes that follow surplus generation; Ohme's chargers do it with a working CT clamp, according to their data sheets.

Does Ohme need Wi-Fi?

No. Ohme's data sheets list a 3G/4G SIM, with the cost covered by Ohme for the first 3 years. The zappi uses Wi-Fi or Ethernet.

Which is cheaper to install in Ireland?

Installed, an Ohme ePod typically costs €1,199 and a zappi €1,395 to €1,495, before the €300 grant.

Can I get a 22 kW Ohme?

The Ohme Home Pro and ePod data sheets are for 7.4 kW single-phase. The zappi has a 22 kW three-phase version. A home needs a three-phase supply to use 22 kW.

Do both qualify for the SEAI grant?

The grant needs the exact model to be on SEAI's Smart Charger Register. Ohme's ePod data sheet says it's SEAI grant approved. Check any model on the register before you pay a deposit.

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