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NOCO GENIUS5EU - Battery Charger, Maintainer and Desulfator

NOCO GENIUS5EU - Battery Charger, Maintainer and Desulfator

NOCO GENIUS5EU is an ultra-compact and high-efficiency 5-Amp 6-volt and 12-volt battery charger, battery maintainer, and battery desulfator for lead-acid and lithium-ion batteries.  

Thanks to an integrated thermal sensor NOCO detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates. 

NOCO GENIUS5EU can charge safely 24/7 without any risk of overcharging your batteries.
Additional safety is provided by spark-proof connections, and reverse polarity protection.




The GENIUS5EU charges dead batteries as low as 1-volt. The all-new FORCE - MODE allows you to take control and manually begin charging dead batteries down to zero volts.


The charger is really simple to set up and use. Plug-in, connect to the battery, select a charge mode, and start charging your battery. A fully-automatic, worry-free battery charger for year-round use.

With the NOCO GENIUS5EU you can restore your battery. It detects sulfation and acid stratification and restores lost performance for stronger engine starts and extended battery life. Automatically repairs and reverses battery damage. 


The GENIUS5EU is compatible with all types of vehicles - charge and maintain cars, motorcycles, lawnmowers, ATVs, tractors, trucks, SUVs, boats, classic cars, hot rods and more.


Battery Size Approx. Charge Time in Hour
6V  12V
20Ah 3 3
40Ah 6 6
80Ah 12 12
100Ah 15 15
120Ah 18 18





Input voltage AC from 120 V to 240 V AC, 50-60 Hz
Operating temperature from -4° to 100°F (from -20° to +40°C)  
Storage temperature from -22° to 140°F (from -30° to +60°C)  
Humidity  0-95% – non-condensing
Current 5 A DC
Tension 6V, 12V
Chemistry lead-acid and lithium
Battery Chemistries Wet, Gel, MF, CA, EFB, AGM
Capacity range up to 120 Ah 
Maintenance  All battery sizes
Output power 75 W (max) 
Efficiency 85% (120 VAC / 230 VAC)
Protection IP65
Safety Short-Circuit: yes
Open-Circuit: yes
Overheating: yes
Overcharge: yes
Spark-Proof: yes
Reverse Polarity: yes
Dimensions and weight Height: 117 mm
Width: 74 mm
Depth: 48 mm
Weight: 0.68 kg
Cord management

DC Cable Lenght: 197 cm
DC Cable Size: 18 AWG
DC Fuse Size: 10 AMP Micro Blade Fuse
AC Cable Lenght: 182 cm
AC Cable Size: 18 AWG
Oil, gas, grease, water, chemical, UV, abrasion resistant


Kit contents:

  • GENIUS5EU Battery Charger w/ Interchangeable Connector
  • Clamps w/ Integrated Eyelets
  • Mounting Bracket w/ Strap
  • Self-Tapping Screws
  • User Guide & Warranty Information






See also


DiagProg4 diagnostic tester for cars, diagnostic tester tool, car diagnostic, diagnostic tool, programming car modules, eeprom programming, autel diagnostic tool, noco, obd programmer, odometer repair, diagnostic obd
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