Ctek NXT 15

12V, 15 A
Ratings
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Product details

Charging at the highest level with NXT 15. This is a powerful 15 A charger with Swedish technology - and with the genuine CTEK DNA. The NXT 15 ensures flawless charging and maintenance of 12 V lead-acid and lithium batteries. Functions include desulphation modes, reconditioning for deeply discharged batteries, constant 13.6 V supply mode and a built-in temperature sensor for optimum charging in all weather conditions. The device is fully automatic, meaning simply "plug and forget"; it is also safe, non-sparking and perfect for powerful vehicles, boats, caravans, lorries and more.

Functions: 15 A output for fast charging and constant power. Supports 12V lead-acid and lithium batteries (30-350Ah). Supply mode provides constant power (13.6V/15A) to support the battery. Automatic temperature equalisation in extreme weather conditions. Fully automatic, non-sparking and reverse polarity protected. Compact design with robust rubber cables. Patented desulphation and reconditioning modes restore battery life. Convenient ease of use: "Connect and forget".

Key specifications

Vehicle
Auto, Boat, Caravan, Lorry, Tractor
Suitable battery technology
AGM, EFB, Lead Acid Gel, Lead-Acid WET, Lithium
Loading programs
Conservation mode, Loading capacity test, Reconditioning
Safety function
Reverse polarity, Short circuit

General information

Item number
65490406
Manufacturer
Ctek
Category
Car battery chargers
Manufacturer no.
CT40-754
Release date
3.12.2025
Sales rank in Category Car battery chargers
23 of 914
External links
Manufacturer's site (de)
May include power adapter
No

Battery charger properties

Vehicle
Auto, Boat, Caravan, Lorry, Tractor
Suitable battery technology
AGM, EFB, Lead Acid Gel, Lead-Acid WET, Lithium
Loading programs
Conservation mode, Loading capacity test, Reconditioning
Voltage
12V
Charging current (max)
15 A
Charging current at 12V
15 A

Power supply

Power supply
Electrical connection
Input voltage
220 V

Safety

Protection type (IP code)
IP44
Safety function
Reverse polarity, Short circuit
Protection class
Protection class I

Origin

Country of origin
China

Voluntary climate contribution

CO₂ emissions
269.67 kg
Climate contribution
CHF 6.41

Scope of delivery

Scope of delivery
Battery charger, Battery terminal, Instruction manual, Power cord

Product dimensions

Length
30 cm
Width
19 cm
Height
12 cm
Weight
2500 g

Package dimensions

Length
31.20 cm
Width
18.90 cm
Height
12.70 cm
Weight
2.35 kg

30-day right of return
24 Months Warranty (Bring-in)
2 additional offers

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Car battery chargers» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.Ctek
    0.3 %
  • 1.Tecmate
    0.3 %
  • 3.Dino
    0.4 %
  • 4.Bosch Automotive
    0.5 %
  • 4.Einhell
    0.5 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.AEG
    0 days
  • 1.Einhell
    0 days
  • 3.Ctek
    1 day
  • 4.Noco
    2 days
  • 5.Victron Energy
    6 days

Return rate

How often is a product of this brand in the «Car battery chargers» category returned?

Source: Digitec Galaxus
  • 1.GYS
    0.8 %
  • 2.Osram
    1.1 %
  • 3.Ctek
    1.3 %
  • 3.Tecmate
    1.3 %
  • 5.Qoltec
    1.6 %
Source: Digitec Galaxus