Ctek 40-725
12V, 15 AMore than 10 pieces in stock at supplier
Product details
The CTEK NXT 15 40-725 is a state-of-the-art car battery charger designed with a maximum charging power of 15 amps for a variety of applications. It is ideal for cars, boats, motorhomes, and vans, providing a reliable and efficient charging and maintenance solution for all common 12V lead-acid and lithium batteries (LiFePO₄). With its robust construction and Swedish technology, the NXT 15 ensures a long lifespan and high performance. The patented desulfation and reconditioning modes allow for the revival of even deeply discharged batteries, extending their lifespan. Additionally, the charger offers versatile features such as a supply mode for diagnostic work and automatic temperature compensation, ensuring optimal charging conditions in extreme temperatures. The CTEK NXT 15 is fully automatic, spark-free, and equipped with reverse polarity protection, guaranteeing maximum safety during the charging process.
- Maximum charging power of 15 amps for fast charging times
- Patented desulfation and reconditioning modes for lifespan extension
- Automatic temperature compensation for optimal performance in extreme temperatures
- Fully automatic operation with reverse polarity protection for maximum safety.
Vehicle | Auto |
Suitable battery technology | AGM, Lead-Acid WET, Lithium |
Safety function | Reverse polarity, Short circuit |
Item number | 65900281 |
Manufacturer | Ctek |
Category | Car battery chargers |
Manufacturer no. | 40725 |
Release date | 22.12.2025 |
Sales rank in Category Car battery chargers | 98 of 972 |
External links |
Vehicle | Auto |
Suitable battery technology | AGM, Lead-Acid WET, Lithium |
Voltage | 12V |
Charging current (max) | 15 A |
Charging current at 12V | 15 A |
Min. ambient temperature | -20 °C |
Max. Ambient temperature | 50 °C |
Protection type (IP code) | IP44 |
Safety function | Reverse polarity, Short circuit |
CO₂ emissions | 37.3 kg |
Climate contribution | CHF 0.90 |
Length | 23.50 cm |
Width | 13 cm |
Height | 6.50 cm |
Weight | 1800 g |
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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.Ctek0.3 %
- 2.Dino0.4 %
- 2.Tecmate0.4 %
- 4.Bosch Automotive0.5 %
- 4.Einhell0.5 %
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.AEG0 days
- 1.Einhell0 days
- 3.Ctek1 day
- 4.Noco2 days
- 5.Victron Energy3 days
Return rate
How often is a product of this brand in the «Car battery chargers» category returned?
Source: Digitec Galaxus- 1.GYS1.1 %
- 1.Osram1.1 %
- 3.Ctek1.3 %
- 3.Tecmate1.3 %
- 5.Qoltec1.4 %