Product Specifications for NOCO GEN5X3 3-Bank 15A On-Board Marine Battery Charger
| BM Part #: | GEN5X3 |
|---|---|
| Voltage: | 12 Volt |
| Charging Rate: | 15 Amp (5 Amp Per Bank) |
| Length: | 6.5" |
| Width: | 7.93" |
| Height: | 2.17" |
| Shipping Weight: | 8.50Lbs |
| Warranty: | 3 Year Limited |
| Product Manual: | Download |
| Datasheet: | Download |
What's in the box:
- GEN5X3 On-Board Battery Charger
- (2) Self-Tapping Screws
- User Guide & Warranty Information
- 3-Bank Charging: Charges and maintains three separate 12-volt batteries at the same time.
- IP68 Waterproof Rating: Fully sealed housing withstands spray, rain, and underwater submersion.
- Multi-Chemistry Compatible: Works with AGM, gel, flooded, lead-acid, and lithium batteries up to 120Ah.
- Auto Repair Mode: Detects and reverses sulfation and acid stratification to extend battery life.
- Flexible Mounting: Installs in any direction, even upside-down, with anti-vibration backing included.
- Dead Battery Recovery: Charges batteries as low as 1 volt, with manual force mode down to 0 volts.
Product Description
One Charger, Three Batteries, Zero Guesswork
Tired of running separate chargers to keep every battery on your boat topped off? The NOCO GEN5X3 charges and maintains up to three 12-volt batteries at once — starter, deep-cycle, or marine — so your whole electrical system stays ready from the first trip of the season to the last.
This isn't a basic trickle charger. The GEN5X3 automatically detects each battery's chemistry and condition, then adjusts its charge to match. Whether you're running AGM, gel, flooded, or lithium batteries, it delivers the right charge without you needing to flip a single switch.
Built for Life on the Water
Boats are hard on electronics, and NOCO built the GEN5X3 to handle it. With an IP68 waterproof rating, it's designed to survive spray, rain, and even full submersion. An anti-vibration backing keeps it steady through rough water and engine vibration, so it keeps working long after a standard charger would fail.
- Mounts in any orientation, including upside-down, for tight helm and battery compartments
- Sealed housing resists oil, gas, and UV exposure common in marine environments
- Backed by a 3-year limited warranty for long-term peace of mind
Revives Batteries Other Chargers Give Up On
Left a battery sitting too long? The GEN5X3's repair mode detects sulfation and acid stratification — two of the biggest causes of early battery failure — and works to reverse the damage. It can even detect and safely charge batteries as low as 1 volt, with a manual force mode for batteries that have dropped all the way to zero.
Set It and Forget It
Once it's installed, the GEN5X3 runs itself. It monitors each battery bank independently, adjusts for outdoor temperature swings, and shuts off automatically to prevent overcharging. There's no schedule to manage and no risk of coming back to a fried battery — just a fully charged boat every time you're ready to head out.
Ready to stop worrying about dead batteries before every trip? Add the NOCO GEN5X3 to your cart and keep your boat charge-ready all season long.
Frequently Asked Questions
Will the GEN5X3 work with my lithium batteries?
A: Yes. The GEN5X3 has a dedicated 12V Lithium mode, along with modes for standard and AGM lead-acid batteries.
How many batteries can this charger handle at once?
A: The GEN5X3 charges up to three 12-volt batteries independently, at 5 amps per bank, for a combined 15 amps.
Is it safe to leave connected all season without overcharging my batteries?
A: Yes. Once each battery reaches a full charge, the GEN5X3 automatically switches to maintenance mode to prevent overcharging.
What size battery bank does this support?
A: The GEN5X3 is rated to maintain batteries up to 120 amp-hours per bank, covering most starter, deep-cycle, and marine batteries.
Can I mount this charger in a tight or awkward space on my boat?
A: Yes. It can be mounted in any orientation, including upside-down, and includes an anti-vibration backing plus 6-foot DC and AC cables for flexible placement.
