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Energizer® 4Amp 9 Step Smart Car Battery Charger - Model 50904 is rated 4.8 out of 5 by 4.
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Your estimated delivery time will be 2 business days from the time of order. Postcode Restrictions may apply. Find out more in the Delivery & Returns Tab below.


The Energizer®  4Amp 9 Step Smart Battery Charger is a 6V/12V 4A fully automatic battery charger for premium charging applications. With 6V/12V auto voltage detection, this charger can also do 2A for maintaining or 4A rapid charging, with a digital display. This smart car battery charger is both energy efficient and eco-friendly.

This Energizer® 4A 9 Step Battery Car Charger is suitable for Lead acid: SLA, VRLA AGM, GEL and WET batteries. 


  • Quick and easy to use
  • Charge and maintain 6V & 12V batteries in top condition
  • 6 Charging modes 
  • Suitable for Lead acid: SLA, VRLA, AGM, GEL and WET batteries 
  • Fully insulated battery clamps
  • Can be wall mounted
  • Reverse polarity protection
  • Short circuit protection
  • Over-voltage protection
  • Battery diagnostics function
  • Battery reconditioning function
  • Mode-setting memory function

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