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The NOCO GENIUS2D is a smart 2 A on-board battery charger and maintainer, designed for fixed installation near the battery in vehicles, boats, RVs — anywhere that demands dependable, worry-free charging of 12 V lead-acid batteries.
Its sleek mounting bracket and adjustable strap allow secure under-the-hood placement, while pre-attached eyelet terminals ensure a clean, permanent connection to battery posts. The GENIUS2D automatically begins and ends charging cycles, incorporating pulse desulfation to restore neglected batteries.
The built-in thermal compensation adapts charging voltage based on ambient temperature — ramping output in cold weather and throttling back in heat to maintain healthy battery condition.
2 A automatic onboard charger and maintainer for 12 V lead-acid batteries
Direct-mount design with snap-fit bracket and mounting strap
Integrated thermal sensor for temperature-compensated charging
Multi-stage smart charging with sulfation repair and overcharge protection
Spark-proof, reverse-polarity, short-circuit, overheat, and open-circuit protection
IP65-rated rugged housing resists water, dust, oil, and UV exposure
Crafted from IP65-rated materials, the GENIUS2D withstands dust, water spray, oil, vibration, and UV exposure — ideal for harsh automotive or marine environments. A compact size (~3″ H × 3.5″ W × 1.6″ D) and 0.5 lb weight make installation easy. 87% efficient at up to 28 W load, it charges batteries up to 40 Ah while maintaining them indefinitely with zero risk of overcharge.
2 A DC output for 12 V lead-acid batteries
Direct-mount bracket with strap for secure fixed placement
Multi-stage charging with automatic desulfation
Thermal compensation optimizes charging across climates
Safety features: spark-proof, reverse polarity, short-circuit, overheat protection
IP65 rugged housing for outdoor durability
Specification | Details |
---|---|
Model Number | GENIUS2D |
Product Type | 2 A Direct-Mount Charger & Maintainer |
Voltage | 12 V DC |
Charge Current | 2 A DC |
Battery Types | Flooded, AGM, Gel, Calcium, EFB, MF, Wet lead-acid |
Capacity Range | Up to 40 Ah; maintains all sizes |
Line Input | 100–240 VAC, 50–60 Hz |
Power Consumption | 28 W max |
Efficiency | 87% |
Thermal Range | -4 °F to 104 °F (-20 °C to 40 °C) |
Protection Features | Short‑circuit, open‑circuit, over‑heat, over‑charge, spark, reverse polarity |
Housing | IP65 – water and dust-resistant, oil/chemical/UV-proof |
Dimensions (H×W×D) | 3″ × 3.5″ × 1.6″ (76 × 89 × 41 mm) |
Weight | 0.5 lb (0.23 kg) |
AC Cable | 24″, 18 AWG |
DC Cable | 24″ with eyelets, 18 AWG, includes 4 A blade fuse |
Mounting Hardware | Snap-fit bracket, velcro strap, self-tapping screws |
All packages are shipped same day if the order is placed before 3PM CST
We use UPS/FedEx to ship the packages with different service levels offered by UPS/FedEx
Overnight Shipping take 1 business day
Expedited Shipping take about 2-3 business days
Ground shipping take about 3-5 business days
You can select the desired service level at Checkout and we will make sure the package is shipped as per
the selected service level.
We Accept
i) PayPal
ii) All Credit & Debit Cards
iii) Purchase Orders
iv) Check
v) Bank Transfer/ACH/Wire Transfer
To process the order through Paypal/CC, you can simply checkout and process the payment.
If you want to issue us Purchase Order/Check/Bank Transfer, Please contact us at the following
details
Call: 469.458.9636
Email: sales@dcsupplies.net
If you have any queries, please contact us at the following details and we will be happy to help
Call
469.458.9636
469.458.9638
Email
sales@dcsupplies.net