# NOCO GEN5X1: on-board charger 5A 1 bank (12V)

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> NOCO GEN5X1: waterproof IP68 on-board charger with one 5 A bank for a single 12V battery up to 120 Ah. Compared with the GEN5X2, GEN5X3 and 10 A GENPRO10X1.

**Category:** [Battery chargers](https://bateriasonline.es/en/battery-chargers) → NOCO

- **Canonical URL**: https://bateriasonline.es/en/noco-gen5x1-on-board-charger-5a-12v
- **Language**: en
- **Brand**: NOCO
- **Reference**: BOL-NOCO-GEN5X1
- **MPN**: GEN5X1
- **Last updated**: 2026-11-10

## Quick description

One 5 A bank in a sealed IP68 case to bolt into the boat: for craft with a single 12V battery of up to 120 Ah.
- 1 bank of 5 A
- 12V up to 120 Ah
- Waterproof IP68
- Lead-acid and lithium (BMS)
- Only 0.84 kg

## Description

## NOCO GEN5X1: on-board charger 5A 1 bank (12V)

The NOCO GEN5X1 is the logical choice for a motorboat, jet ski or small sailing boat with one 12V battery of up to 120 Ah. It screws in place on board in any orientation and stays permanently connected.
If you have separate starting and house batteries, look at the GEN5X2 (2 banks) or GEN5X3 (3 banks). If your battery exceeds 120 Ah or you want to charge in half the time, the GENPRO10X1 delivers 10 A and reaches 230 Ah.
At 5 A, a half-flat 100 Ah battery takes about 15 h.

### Features

- •   One 5 A output at 12V, 72 W max.
- •   Recommended up to 120 Ah.
- •   Sealed IP68 case with anti-vibration backing.
- •   Mounts any way up, even inverted.
- •   12V, AGM, Lithium, Repair and Force modes.
- •   Detects batteries from 1 V.
- •   DC cable approx. 1.83 m.

### Technical data

| Mains input voltage | 100-240 VAC, 50-60 Hz |
|---|---|
| Output power | 72 W max. |
| Charging banks | 1 |
| Charging current | 5 A (12 V) |
| Battery voltage | 12 V |
| Battery chemistries | Lead-acid (wet, gel, MF, calcium, EFB, AGM) and 12V lithium with BMS (incl. LiFePO4) |
| Battery capacity | Up to 120 Ah; maintains all battery sizes |
| Charging modes | 12V, 12V AGM, 12V Lithium, Repair and Force |
| Low-voltage detection | 1 V (Force Mode: 0 V) |
| Back current drain | < 0.5 mA |
| Operating temperature | -20 °C to +40 °C |
| Housing protection | IP68 |
| Cooling | Natural convection |
| DC cable length | approx. 1.83 m |
| Approx. charging time (50% depth of discharge) | 20 Ah: 3 h · 40 Ah: 6 h · 100 Ah: 15 h · 120 Ah: 18 h |
| Dimensions (L x W x H) | 117 x 74 x 48 mm |
| Weight | 0.84 kg |

### In the box

- •   GEN5X1 on-board charger
- •   2 x #8 27 mm self-tapping screws
- •   User guide and warranty

### Common questions

How many batteries does it charge?
One. For two or three independent batteries there are the GEN5X2 and GEN5X3.
Does it accept lithium batteries?
Yes, 12V with BMS including LiFePO4, plus wet, gel, MF, EFB, AGM and calcium lead-acid.
What is supplied?
The charger, 2 x #8 27 mm self-tapping screws and the user guide.

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*bateriasonline.es — Batteries and accessories · 2026-11-11*