Telwin Nevaboost 140

12V, 20 A
Ratings
BrandMore from Telwin
Delivered between 7.1.2026 and 13.1.2026
Only 1 piece in stock at supplier
free shipping

Product details

Single-phase portable battery charger for charging lead-acid batteries with 12 V voltage. Equipped with protection against overloading and polarity reversal. Selector switch for normal, fast (BOOST) charging, and starting aid. Equipped with ammeter.

Key specifications

Safety function
Overloading, Reverse polarity
Suitable battery technology
AGM
Vehicle
Auto, Motorbike
Loading programs
Conservation mode
Item number
230414

General information

Manufacturer
Telwin
Category
Car battery chargers
Manufacturer no.
807541
Release date
6.7.2000

Battery charger properties

Vehicle
Auto, Motorbike
Suitable battery technology
AGM
Loading programs
Conservation mode
Voltage
12V
Charging current (max)
20 A
Charging current at 12V
20 A
Battery capacity at 12V
10 - 200 Ah

Power supply

Power supply
Electrical connection
input voltage
220 V

Safety

Safety function
Overloading, Reverse polarity
Protection class
Protection class II

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Length
17 cm
Width
25 cm
Height
16.50 cm
Weight
5200 g

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

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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
  • Telwin
    Not enough data
  • 1.Ctek
    0.3 %
  • 1.Dino
    0.3 %
  • 1.Tecmate
    0.3 %
  • 4.Einhell
    0.4 %

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
  • Telwin
    Not enough data
  • 1.AEG
    0 days
  • 1.Einhell
    0 days
  • 3.Ctek
    1 day
  • 4.Noco
    2 days

Return rate

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

Source: Digitec Galaxus
  • Telwin
    Not enough data
  • 1.Qoltec
    1.1 %
  • 2.Ctek
    1.2 %
  • 3.Osram
    1.3 %
  • 4.AEG
    1.4 %
Source: Digitec Galaxus