NOCO GEN5X3 - 12V 3-Bank 15A On-Board Battery Charger

NOCO GEN5X3 — 3-Bank 15A On-Board Marine Battery Charger

The NOCO GEN5X3 is a fully-automatic 15-amp (5A per bank) three-bank on-board marine battery charger, maintainer, and desulfator for 12V lead-acid and lithium-ion batteries. 37% smaller and 43% more powerful than its predecessor, it's one of the best-performing compact onboard marine chargers NOCO has ever made — built for permanent installation aboard smaller to mid-size boats and multi-battery marine vessels across Canada.

Key Features

• 15A total on-board charging output (5A x 3 banks) — independently charges three 12V lead-acid (wet, gel, AGM, maintenance-free, EFB, CA) or lithium-ion battery banks up to 120Ah each
• Selectable charging modes per bank — independently charge and control each bank with 12V, 12V AGM, 12V Lithium, and 12V Repair Mode for all types of lead-acid and lithium-ion batteries
• Thermal sensor — detects ambient temperature and adjusts charge rate to prevent overcharging in heat and undercharging in cold
• Force Mode — manually initiate charging on dead batteries down to 0V; automatically detects batteries as low as 1V
• Battery repair mode — detects and repairs sulfation and acid stratification to restore lost battery capacity and extend battery life
• Fully automatic — safe to leave connected 24/7 as a long-term maintainer with zero overcharge
• IP68 waterproof — fully sealed and waterproof; survived thousands of hours of underwater life cycle testing
• Simplified mounting — installs in any direction, including upside-down, with integrated anti-vibration backing
• Spark-proof and reverse polarity protected — safe for use in marine environments by beginners and professionals alike

Specifications

• Input: 120–240V AC, 50–60Hz
• Output: 12V / 5A DC x 3 Banks (72W max per bank, 216W total)
• Compatible Chemistries: Wet, Gel, MF, CA, EFB, AGM, Lithium-ion
• Max Battery Size: 120Ah per bank
• IP Rating: IP68
• Warranty: 3-Year Limited

Ideal For

• Smaller to mid-size boats and marine vessels with three battery banks
• Multi-battery setups (e.g., starter, house, and trolling motor banks)
• Marine starter and deep-cycle batteries up to 120Ah per bank
• Permanent on-board installation in any orientation
• Seasonal marine storage and long-term battery maintenance

Ships from Thunder Battery — Canada's trusted marine battery charger dealer.