3.5-amp Smart Battery Charger

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Smart Battery Charger 3.5A 12V 6V Automatic SLA AGM Car Truck Boat Motorcycle Caravan

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40 in stock (can be backordered)


Car cannot start? Pump not working? Engine conked out? And you realise that they all have a common problem. Flat battery. Now you can prepare for such unforeseen circumstances with our high-performance CT-3800, a powerful 3.5A Battery Charger that is compatible with all 6V and 12V lead-acid batteries and 12V lithium-ion batteries, including WET/MF/EFB/GEL/LIB/AGM batteries. Fully automatic and easy to connect and use, the charger is your godsend in bringing life to dead batteries. The internal intelligent microprocessor makes charging faster, easier and safer. It provides continuous charge to batteries with an automatic floating charge mode and there is an inbuilt 6-way protection for sparks, reverse polarity, short circuits, overcurrent, overcharging and overheating to protect both use and battery. This means safe charging with total peace of mind. The charger comes with eight charging modes to suit your requirements. On REPAIR mode, the charger can even repair old, idle, stratified or sulphated lead-acid batteries to bring them back to life. Portable and lightweight, the charger is equally useful to you on the road as it is in your workshop, garage or shed. If setting up in your workshop, you can easily mount the charger to your desired location using the mounting holes and included self-drilling screws. Never let your power down again as you power up with our battery charger.


  • Independent selection mode for 6V/12V battery
  • Built-in intelligent microprocessor
  • 6-way protection: spark proof, reverse polarity, short circuit, overcurrent, overcharge, overheat
  • 8 charging modes: Standby, 12V NORM, 12V COLD/AGM, 12V SMALL NORM, 12V SMALL COLD/AGM, 6V NORM, 6V LITHIUM-ION, REPAIR
  • REPAIR mode: repairing old, idle, stratified or sulphated batteries (LEAD-ACID batteries only)
  • 8 fully automatic charging steps
  • Detailed error lights
  • Battery level indicator
  • Clamps and ring connectors
  • Four external holes for mounting (screws included)
  • Auto-memory: returns to last selected mode when restarted (except Standby Mode)
  • Automatic switching to maintenance status once fully charged without overcharging or damaging battery
  • Temperature controlled
  • Lightweight and highly portable
  • Tough and robust
  • SAA & CE approved


  • Model: CT-3800
  • AC input:220V-240V, 50Hz-60Hz, 0.8A, 60W max
  • DC output: 6V, 3.5A; 12V, 3.5A/1A
  • Ambient temperature: 0℃-40℃
  • Charger type: 8 steps, fully automatic charging cycle
  • Battery compatibility: All types of 6V and 12V lead-acid batteries and 12V lithium-ion batteries
  • Battery capacity: 2Ah-120Ah (6V), 2Ah-120Ah (12V), Maintains All Battery Sizes
  • Cold/AGM mode: YES
  • Housing protection: IP54

Package Contents

  • 1 x 3.5A Battery Charger
  • 1 x User Manual
SKU: dsz-SBC-CT-3800 Category:

Additional information

Weight0.8500 kg
Dimensions9.2000 × 12.2000 cm


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