Stock Status:
Condition: Original
SKU : 1997M89
Input Voltage: 100 ~ 240V
Input Frequency: 50 ~ 60Hz
Output Voltage: 12V
Output Current: 2.5A-3.33A
Power:30W-40W
Plug Size: 5.5*2.1mm
Color: Black
Cord Cable: US UK EU AU plug
Condition: Brand New,100% Original
The Dell S2740L/S2740Lb slim 40W AC adapter is a genuine replacement charger designed for Dell’s S-series monitors. It ensures reliable power delivery, efficient energy usage, and consistent performance for workloads such as office applications, browsing, and multimedia.
This adapter provides a 19.5V output with 2.05A current, optimized for Dell S-series systems requiring 40W power.
Compatible with Dell S2740L and S2740Lb monitors
Provides 40W power output
Stable 19.5V voltage and 2.05A current
Genuine Dell replacement adapter for reliable performance
Integrated protection against overvoltage, overheating, and short-circuit
Slim and durable design
| Item | Price in Kenya (KES) |
|---|---|
| Dell S2740L/S2740Lb Slim 40W charger | 3,238 KES |
| Specification | Details |
|---|---|
| Product Name | Dell S2740L/S2740Lb Slim charger |
| Power Output | 40W |
| Voltage | 19.5V |
| Current | 2.05A |
| Connector Type | Barrel/AC adapter |
| Compatibility | Dell S2740L/S2740Lb monitors |
| Safety Features | Overvoltage, overheating, short-circuit protection |
Slim and compact design for monitors
Durable casing for long-term use
Precision-fit connector for Dell systems
Built for professionals and students needing reliable performance
Provides stable low-power delivery for monitor workloads
Supports productivity, multimedia, and multitasking applications
Delivers consistent performance for professional use
Reduces risk of unexpected shutdowns during heavy tasks
Optimized for Dell S-series efficiency
Overvoltage protection
Short-circuit protection
Overheat protection
Stable current regulation
Genuine Dell certification for safety
Dell S2740L
Dell S2740Lb
Other Dell monitors requiring 40W AC adapters
| Pros | Cons |
|---|---|
| Reliable 40W power output | Limited to Dell monitors |
| Stable 19.5V voltage | Not suitable for laptops |
| Genuine Dell replacement | Higher price than generic adapters |
| Slim and durable design | Lower wattage compared to 65W–130W adapters |
| Integrated safety features | Requires correct wattage match |
What is the power output? 40W
What voltage does it use? 19.5V
What current does it provide? 2.05A
Which devices is it compatible with? Dell S2740L/S2740Lb monitors and other Dell devices requiring 40W adapters
Does it have safety features? Yes, including overvoltage, overheating, and short-circuit protection
Is it portable? Yes, slim and lightweight for easy travel
Can it replace generic chargers? It is recommended to use genuine Dell adapters for safety and performance
Is it suitable for laptops? No, designed specifically for monitors
The Dell S2740L/S2740Lb slim 40W charger is a reliable replacement option for Dell’s S-series monitors. With its stable 19.5V output, 2.05A current, and 40W power capacity, it delivers efficient and consistent performance for productivity, entertainment, and office workloads. Its integrated safety features and slim design make it ideal for professionals and students who need dependable power delivery.
Copyright © 2026 Ups & Battery City - All Rights Reserved.