![]() The clamp jaws are wide, springs firm, and handles appear to be well insulated. The DC cabling appears to be more weather-proof than the AC power cord. Model: GENIUS5īoth units have an IP65 rating, which means dust and the occasional splash of water should pose no issues you could leave the unit tucked underneath the hood in the rain and have few concerns. Model, input and output voltage, and polarity are prominently indicated. There are a few anti-skid pads on the bottom of each unit. The AC cord is about 4 1/2 feet long and the weather-resistant DC cord is about 5 1/2 feet long, which is good for most of my usage but ten foot DC extension cables ($11) are available. The Mode button is firm but has an audible and tactile click when depressed. Not pictured, but there's also a mounting bracket, velcro strap, and a well-written model-specific owners manual.īuild quality is excellent: the units aren't large, but feel solid and hefty. The NOCO GENUIUS5 charger unboxed, with clamp jaws. The charging unit sits atop and the cabling disappears beneath. The two side pieces of foam lift out, revealing a cardboard platform. The unit was well supported between three pieces of foam, one atop to protect the face and two to the sides protecting the unit from shifting in transit. The cover slides to the side, revealing the charging unit. The serial number on the device matches that on the packing labels. The interior display-ready box arrived sealed in plastic wrap, also labeled with the serial number. The exterior shipping box was prominently labeled with the model number and had a sticker (not pictured) indicating serial number. No blister pack to slice your hands open on. The GENIUS line is ETL-listed conforming to UL STANDARD 1236 (Standard for Battery Chargers for Charging Engine-Starter Batteries). The battery should be disconnected from the vehicle before using this mode, otherwise the higher voltage might damage connected electronics. The GENIUS5 also has a Repair mode to repair and recover old, idle, or sulfated batteries. Force - charges batteries below 1 volt this mode only runs for five minutes before switching into the standard charging mode.6V - 6-volt wet cell, gel cell, enhanced flooded, maintenance-free and calcium batteries.12V LITHIUM - 12-volt lithium-ion and lithium iron phosphate batteries only for use on batteries with a Battery Management System (BMS).12V - 12-volt wet cell, gel cell, enhanced flooded, maintenance-free and calcium batteries.That's not to say you can't use a GENIUS2 to charge a larger capacity battery, it'll just take longer at lower current.īoth of these units have numerous modes to support different battery voltages and chemistry: The NOCO GENIUS5 ($70) provides 5 A output and is designed for batteries up to 120 Ah, suitable for most car and light truck batteries. The NOCO GENIUS2 ($42) provides 2 A output and is designed for batteries up to 40 Ah, suitable for smaller car batteries. Overnight charging and continual tending are fine for me, but if you need faster charging you might want to consider one of the larger models. My intended usage isn't rapid charging or jump-starting, so I went with two of the smaller and less expensive models that aligned with the battery capacities. I've seen phantom loads draw down the batteries and have had a few times where a vehicle just barely turned over, so after reading some positive reviews I decided to give a few NOCO chargers a try. I haven't been driving as much during the COVID-19 pandemic. I don't have to worry about the bike starting or having to deal with the hassle or expense of replacing the battery had I left it untended. For less than $1/month in electricity, the tender monitors the battery voltage and tops it off when needed. It provides 750 mA and is only compatible with 12V batteries. I've used a Battery Tender Junior ($25) the past couple years to keep my motorcycle battery charged while winterized. NOCO markets their GENIUS line as an "automatic charger, battery maintainer, and battery delsulfator."Ī few words about my experience with the NOCO GENIUS line of chargers. ℹ️ As an Amazon Associate I earn from qualifying purchases.
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