NOCO Genius G3500 6V/12V 3.5 Amp Battery Charger and Maintainer

August 13, 2019 - Comment
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(as of 07:39 GMT+0100 - Details)

NOCO Genius smart battery chargers are some of the safest and most advanced on the market. One of our best, the G3500 3.5 Amp is designed to charge 6-volt and 12-volt lead-acid and lithium-ion batteries up to 120Ah. It can also effectively maintain automotive, marine, RV, powersport, lawn & garden and deep-cycle batteries. It charges 2x faster than ordinary battery chargers, can repair damaged batteries and is designed for use with micro-hybrid start-stop vehicles and CANBUS electrical systems. Guided by an onboard microcomputer, the G3500 monitors battery activity for safe and efficient charging, automatically minimizes energy consumption and provides redundant levels of safety protection, including spark-proof technology, as well as reverse polarity and overcharge protection. It can remain safely connected 24/7, while its streamlined design makes it ultra-compact, portable, and incredibly lightweight. The G3500 features external mounting holes and a rubberized base that avoids surface slipping and scratches, while remaining impact, UV and water-resistant (IP65). Intuitive LED indicators provide visual state-of-charge feedback and diagnostic information, even when in maintenance mode. Designed for use on 120-volt 50-60Hz electrical systems, the G3500 includes both X-Connect battery clamps with integrated eyelet terminals, as well as a 5-year limited warranty.

Product Features

  • The most versatile all-in-one battery charger any vehicle owner would need to quickly recharge its battery in hours, including cars, boats, trucks, RVs, tractors and much more up to 120 amp-hours.
  • Perfect for keeping your vehicles fully-charged and maintained during year-round battery maintenance or long-term storage for improved performance and longevity.
  • Works with all types of 6-volt and 12-volt lead-acid batteries, including Wet, Gel, and AGM, or any common automotive, deep-cycle, marine, or maintenance-free battery.
  • Keep your battery fully charged without worry or overcharge. Simply plug-in and let our advanced charging technology automatically monitor and maintain your battery.
  • Use our advanced Repair Mode to reverse the damaging effects when batteries are left uncharged for extended periods to improve battery performance and longevity.
  • An optimized charge mode for safely charging and maintaining 12-volt lithium-ion batteries, and recommended with use on lithium batteries with an internal BMS.
  • One of the most advanced and safest battery chargers, including spark-proof technology, and reverse polarity protection, plus backed by our 5-year warranty and endless accessories.


Anonymous says:

All was fine, when I looked out to see smoke coming … If I had written his review yesterday I would have given it 5 stars. It has worked spectacularly. This said, today I was charing my truck battery. All was fine, when I looked out to see smoke coming out of my hood. The thing was fully on fire! I am so lucky I saw it in time. I could have started a serious fine. I am hoping I can get my money back, but I don’t even know what the warranty is.This thing is dangerous!

Anonymous says:

Resurrection – it IS able to awake a VERY VERY dead battery I attached my cheepo float charger to maintain my 74 Honda CB360 battery. OOPS, dummy me forgot to plug in the charger! Three months later not only is the battery dead, also 2 of the cells are BONE dry. I put in distilled water to raise the 12Amp “flooded wet cell” liquid level to midpoint between the lines at the top. I attached a Fluke voltmeter and saw 3 volts, ouch – 50 or so for a new battery. I thought of my G3500 V2 (with “repair”) and thought “why not”. To my…

Anonymous says:

Stay away — terrible and lengthy warranty process I had to post this because If I could rate this 0 stars I would. The unit worked great until it died. Yes there is a 5-year warranty but you have to write a check (yes a physical check) to the company to cover the cost of any upgrades made to the product line since your unit was made. Additionally, the warranty process is ridiculous so good luck getting your unit back. It has now been two months and still not had my unit sent back…..

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