Quick Summary
The NOCO GENIUS2D is a direct mount onboard battery charger for 12 volt lead acid batteries. It is designed for year round battery maintenance, with automatic charging, maintainer and desulfator functions, plus temperature compensation and overcharge protection.
Who It Is Best For
This charger suits drivers and owners who want a fitted charging solution near the battery rather than a portable unit. It is aimed at people maintaining sealed lead acid batteries in vehicles and equipment such as cars, marine craft, leisure vehicles, caravans, campervans, motorhomes, vans, boats, tractors, ATVs, quads, lawnmowers and trucks.
What To Know Before You Buy
It is designed for 12 volt sealed lead acid batteries, including flooded, gel, AGM, EFB, SLA, VRLA, start stop and maintenance free types. The charger is described as a direct mount unit with a snap fit mounting bracket and self tapping screws for installation into most materials.
It can charge batteries as low as 1 volt, and Force Mode allows manual charging of batteries down to zero volts. The integrated thermal sensor adjusts charging in hot or cold conditions.
Pros: Automatic maintenance charging with temperature compensation and desulfation functions.
Cons: It is intended for lead acid battery types, so buyers should check battery compatibility before ordering.
Common Buyer Questions
What type of battery is it for?
It is designed for 12 volt sealed lead acid batteries, including flooded, gel, AGM, EFB, SLA, VRLA, start stop and maintenance free batteries.
Can it be mounted near the battery?
Yes. It is described as a direct mount onboard charger with a snap fit mounting bracket.
Will it charge a flat battery?
It can charge batteries as low as 1 volt, and Force Mode can be used to begin charging batteries down to zero volts.
Does it help with battery maintenance?
Yes. It is designed as a charger, maintainer, trickle charger and battery conditioner for regular use.
Is it suitable for cold or hot conditions?
Yes. The integrated thermal sensor adjusts charging to help avoid over charging in hot climates and under charging in cold climates.
Key Details
| Product type | Direct mount onboard battery charger |
| Brand | NOCO |
| Model | GENIUS2D |
| Charge rate | 2A |
| Voltage | 12V |
| Battery type | Sealed lead acid, including flooded, gel, AGM, EFB, SLA, VRLA, start stop and maintenance free |
| Special functions | Automatic charging, maintainer, trickle charger, desulfator, temperature compensation and overcharge protection |
| Low voltage recovery | Charges batteries as low as 1 volt, with Force Mode for down to zero volts |
Final Buying View
The NOCO GENIUS2D is a practical choice if you want a fitted 12 volt battery charger and maintainer for lead acid batteries. Its direct mount design, automatic charging and temperature aware operation make it well suited to regular upkeep, while the low voltage recovery modes add useful flexibility. If you need an onboard charger for a compatible battery type, it is worth a closer look.
