The Victron Energy Blue Smart IP22 Battery Charger 12V/4A (1 output) UK is the new professional battery charger with built-in Bluetooth to communicate with the Victron app.. 

The Blue Smart IP65 Charger can be used on devices in your workshop and on motor vehicles, such as (classic) cars; motorbikes; boats and camper-vans. 

Recommended for batteries with a capacity ranging from 20-50Ah

Key Features:

• 5 YEAR WARRANTY
• Output Current: 4A
  
• Bluetooth Smart enabled
  
• High efficiency 
• Adaptive 7 stage charge algorithm 
  
• Also charges Li-on (LiFePO4) batteries
  
• Storage mode: less maintenance and ageing when battery is not in use
• Protected against overheating