NOCO GENPRO10X3 Genius 30 Amp 12V 3-Bank Waterproof Onboard Marine Battery Charger (30A total, 10A per bank) is a fully sealed IP68-rated smart charger designed for boats, marine starter batteries, trolling motor batteries, AGM, flooded, gel, EFB, and LiFePO4 lithium batteries with BMS.
This onboard charger supports 120V–240V AC input, features selectable 12V, AGM, Lithium, and Repair modes per bank, and delivers precision charging for multi-bank marine battery systems up to approximately 230Ah per bank (maintenance).
30A 3-Bank Waterproof Marine Charger
Upgrade your onboard power system with the NOCO GENPRO10X3 — engineered for serious boaters who demand reliable, intelligent, and fully waterproof charging.
Built 10% smaller than the previous GEN3 model , this next-generation Genius charger delivers maximum performance in a compact, rugged housing designed for harsh marine environments.
30 Amps Total Output – 3 Independent Banks
30A total output (10A per bank)
Three individually controlled 12V DC banks
Charge starter, house, and trolling batteries simultaneously
Ideal for multi-battery marine systems
Each bank operates independently, allowing different battery chemistries or charge states without interference.
Multi-Chemistry Smart Charging
Selectable modes per bank: 12V, 12V AGM, 12V Lithium, 12V Repair Mode
Compatible with Wet/Flooded, Gel, Maintenance-Free, EFB, AGM, and LiFePO4 (with BMS)
Safe for mixed battery setups on the same vessel
The integrated thermal sensor automatically adjusts charging based on ambient temperature, preventing overcharging in heat and undercharging in cold climates.
Operating temperature range: -4°F to 104°F (-20°C to +40°C)
IP68 Waterproof & Fully Sealed Design
IP68 ingress protection rating
Fully sealed, waterproof housing
Tested in extreme marine conditions
Corrosion-resistant and vibration-resistant
Designed for bilge compartments and harsh marine installations, this charger withstands water, shock, vibration, and salt exposure.
Advanced Battery Recovery & Force Mode
Charges batteries as low as 1V
Force Mode allows charging from 0 volts
Automatically detects and reverses sulfation
Helps restore performance in deeply discharged batteries
Ideal for reviving neglected or heavily discharged marine batteries.
Universal AC Input & Installation Flexibility
120V–240V AC input
50/60 Hz frequency compatibility
Mount in any orientation, including upside down
Integrated anti-vibration backing
Designed for professional-grade installations with simplified mounting and long-term durability.
Specifications
Amperage: 30 Amps total (10 Amps per bank)
Output Voltage: 12V DC per bank
Banks: 3 independently controlled
Battery Capacity: Up to ~230Ah per bank (maintenance use)
Battery Types: Flooded, Gel, AGM, EFB, Maintenance-Free, Lithium (LiFePO4 with BMS)
Ingress Protection: IP68
AC Input: 120–240V AC, 50/60 Hz
Operating Temperature: -20°C to +40°C (-4°F to 104°F)
Dimensions: Approx. 10.51" W x 8.11" H x 2.83" D
Weight: Approx. 13.43 lb
Ideal Applications & Best Uses
Multi-bank marine battery systems
Trolling motor and cranking battery setups
Offshore fishing boats and center consoles
RV and off-grid 12V battery banks
Mixed lead-acid and lithium battery installations
What’s Included in the Box
GENPRO10X3 onboard battery charger
(2) Self-tapping mounting screws
DC cables (72" with eyelets)
AC cable (72")
User guide
Warranty information
Warranty & Shipping Information
3-Year Limited Warranty (with product registration)
Ships directly from the manufacturer
Estimated delivery: 5–7 business days
Why Choose The NOCO GENPRO10X3
The NOCO GENPRO10X3 stands out with true IP68 waterproof construction, independent smart charging per bank, lithium compatibility, deep-discharge recovery, and universal AC input — all in a compact marine-ready footprint.
Whether you're powering a tournament fishing boat or maintaining a multi-battery offshore system , this charger delivers maximum battery life, optimized charging performance, and dependable onboard reliability.
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WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov .
