Electric-fence energisers: specs compared

The unit that powers an electric fence and raises the alarm. The numbers come from each maker's datasheet or product page; tap a column to sort.

ModelOutput energyMax fence lengthZonesBattery backupShopsLowest price seen
JVA Z284 J–2built-in charger and space for a 12V 7.2aH backup battery4R 3 274
Nemtek Druid 13LCD3.0 J–112V 7Ah built-in; 24hrs standby11R 2 652
Nemtek Druid 15LCD4.6 J–112V 7Ah built-in; 24hrs standby14R 2 860
Nemtek Druid 18LCD7.6 J–112V 7Ah built-in; 24hrs standby10R 3 294
Nemtek Druid 28LCD3.7 J–212V 7Ah built-in; 24hrs standby8R 5 108
Nemtek Merlin Stealth M18S7.6 J–112V 7Ah built-in; 6hrs standby11R 4 130
Nemtek Wizord 2i2.0 J–112V 7Ah built-in; 24hrs standby9R 2 285
Nemtek Wizord 4i3.7 J–112V 7Ah built-in; 24hrs standby13R 2 726