# NOCO GENPRO10X2: on-board charger 2 banks 20A (12V)

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> NOCO GENPRO10X2: two isolated 10 A banks, up to 230 Ah each, in an IP68 case. For boats with two big batteries; how it compares with the 2 x 5 A GEN5X2.

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

- **Canonical URL**: https://bateriasonline.es/en/noco-genpro10x2-marine-charger-two-banks
- **Language**: en
- **Brand**: NOCO
- **Reference**: BOL-NOCO-GENPRO10X2
- **MPN**: GENPRO10X2
- **Last updated**: 2026-11-10

## Quick description

Two large 12V batteries on board, two isolated 10 A banks: the GENPRO10X2 reaches 230 Ah per battery.
- 2 banks of 10 A
- Up to 230 Ah per bank
- 300 W max.
- Waterproof IP68 case
- 3.27 kg

## Description

## NOCO GENPRO10X2: on-board charger 2 banks 20A (12V)

Choose the NOCO GENPRO10X2 if you have two sizeable 12V batteries on board, for instance starting and house batteries above 120 Ah, or if the boat goes out often and you need quick recovery. Each isolated bank supplies 10 A.
With batteries up to 120 Ah, the GEN5X2 offers 2 x 5 A in a lighter body (1.89 kg against 3.27 kg). For three or four batteries, see the GENPRO10X3 and GENPRO10X4.
Every output handles 12V lead-acid and lithium with BMS, with Repair and Force modes.

### Features

- •   Two isolated 10 A banks, 20 A total.
- •   Batteries up to 230 Ah on each bank.
- •   12V, AGM, Lithium, Repair and Force modes.
- •   Detects from 1 V.
- •   IP68 protection with anti-vibration backing.
- •   Diagnoses reverse polarity and faulty batteries.
- •   Measures 206 x 147 x 74 mm.

### Technical data

| Mains input voltage | 100-240 VAC, 50-60 Hz |
|---|---|
| Output power | 300 W max. |
| Charging banks | 2 |
| Current per bank | 10 A (12 V) |
| Total charging current | 20 A |
| 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 230 Ah per bank; 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: 1.5 h · 40 Ah: 3 h · 100 Ah: 7 h · 230 Ah: 17.3 h |
| Dimensions (L x W x H) | 206 x 147 x 74 mm |
| Weight | 3.27 kg |

### In the box

- •   GENPRO10X2 on-board charger
- •   2 x #8 27 mm self-tapping screws
- •   User guide and warranty

### Common questions

Does each bank charge on its own?
Yes, both banks are isolated and work independently.
How long for 40 Ah?
About 3 h from half charge, per bank.
Would the GEN5X2 be enough?
If no battery exceeds 120 Ah and speed is not key, yes; the GEN5X2 gives 5 A per bank.

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