Bosch C3 4 Stage 6v and 12v Smart Battery Charger

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Excludes DG or bulk items (flooded or large lead acid batteries, large panels and generators).

Bosch C3 is an intelligent 4 stage charger suitable for traditional passenger vehicles, motorbikes as well as 6v classic cars. The charger features sophisticated 4 stage battery charging algorithm that will monitor your battery and provide the best charge possible. Switching to trickle charge when the battery reaches fully charged voltage for the ultimate set and forget battery charging solution.

The Bosch C3 is suitable for VLRA, AGM, GEL and conventional flooded lead acid batteries. The battery charger provides different charging current in its 6v and 12v mode for ultimate flexibility as well as ability to charge smaller sealed lead acid batteries.

Why would you chose this product?

The Bosch C3 is a fully automatic 4 stage (including pulse and trickle) charger and is ideal for the user with recreational vehicles or classic cars that may not be driven every day. The charger will automatically switch to trickle charge, which means there is no need to worry about over charging or damaging batteries. The Bosch C3 is the perfect set and forget charging solution and will ensure your batteries are ready to go whenever you are ready to use them!

Produced by one of the worlds most respected brand, the Bosch C3 is reliable, well made, all in one everyday charger that would be a great addition to any garage.


Mounting hook
Suitable for Lead acid wet, AGM and gel batteries
No risk of overcharge
Protection against sparks
Full protection against short-circuit & reverse polarity
One button for ease of use
Fully automatic charging
Protection against overheating
Memory function
The C3 battery charger meets the IP65 dust and splash proof standard and are certified to Australian and New Zealand electrical standards


Input Voltage: 230-240v AC 50Hz
Starting Current: <50a
Rated Input Current: max 0.6a (rms value)
Power Input: 60w
Rated Output Voltage: 6v / 12v
Charging Voltage: 14.7v +/-0.25v, 7.2v +/- 0.25v
Charging Current: 3.8a +/- 10%, 0.8a +/- 10%
Ripple: Max 150 mV
Backflow Current: <5mA
Battery Type: 6v and 12v AGM, GEL, Flooded and VLRA
Battery Capacity: 6v 1.2ahr-14ahr, 12v 1.2ahr-120ahr
Fuse Internal: 1.6a
Noise Level: <50 dBA
Dimensions: 185mm x 81mm x 55mm

Product brochure / datasheet can be downloaded by clicking the PDF icon just below the main image.


Product Videos

Model # C3


12 Month Manufacturer Warranty