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GYSFLASH 4.12 - Battery charger for Twizy


The GYSFLASH 4.12 is an automatic charger designed to charge or maintain 12V batteries (liquid or gel). It is powerful, compact, light and resistant to dust and water ingress (IP65).


  • Ensures an automatic charge up to 100% without supervision.
  • Ideal for small cars
  • Charges from as low as 1 volt.
  • Designed for 12 V batteries from 1.2 to 70 Ah, or for maintenance charging up to a 130 Ah.
  • Winter mode / start stop AGM batteries :

- Charge mode for cold weather (less than 5°C).

- Optimal mode for Start & Stop batteries (AGM).

  • Optimised maitenance charge, the charger can remain plugged in indefinitely during winter to maintain the health of the battery. «Auto Restart» feature so the charger can restart automatically with the right settings after a power cut.


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GYSFLASH is designed for charging a variety of SLA (Sealed Lead Acid) batteries, widely used in cars and other vehicles.

  • 220/240 V
  • 70 W
  • Charge 4A
  • Power cable 2M
  • IP65 protection
  • Weight 0.69 Kg

Supplied with:

  • Clamps (45cm)
  • Eyelets M6 (45 cm)
  • Male connector (145 cm)


  • Protection of the vehicle’s on-board electronics: protection against short circuits, polarity reversal and overcharging. Anti-spark technology.
  • Automatic stand-by mode if the battery is disconnected.
  • Integrated temperature probe to prevent internal electronics’ overheating.
  • Simplified interface to prevent user error.
  • Ultra-compact design, light and portable.
  • Quick / easy to connect waterproof connectors.
  • Resistant to dust and water ingress (IP65 - not waterproof).


The manufacturer certifies that the product described here is manufactured in compliance with the requirements of the following European directives:

- Low Voltage Directive: 2006/95/EC - 12/12/2006 (amended by 93/68/EEC)
- EMC Directive: 2004/108/EC, 15/12/2004 (amended by 92/31/EEC, 93/68/EEC, 91/263/EEC, 93/97/EEC)

It therefore complies with the following harmonized standards: EN60335-1 - EN60335-2-29 – EN55014-1 - EN55014-2 – EN61000-3-2– EN61000-3-3 – EN62233.

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1 year Warranty

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Tested and approved for TWIZY

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