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Shenzhen Keyulong Technology Co., Ltd.
Shenzhen power adapter and charger source manufacturer | Fast charger | 5W-120W custom power supply
Home48W Series Power AdapterDetails
Shenzhen Keyulong Technology Co., Ltd.

48W Series Power Adapter

Home48W Series Power AdapterDetails

48W power adapter, certified to CCC/CE/UL/FCC/UKCA/PSE (meeting Chinese, US, European, UK, and Japanese standards). Available output specifications: 12V4A, 24V2A, 18V2.5A, 15V2A, 21V2A, 19V2A, etc.

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48W Series Power Adapter 2026-05-25 18:29:10 2026-06-06 17:58:55 80
Details


Introduction to Conventional Classic Parameters (Contact us for more customizations)
Standard Customizable Parameters (More available upon request)KE048D-12V4AKE048D-24V2AKE048D-18V2.5AKE048D-15V2AKE048D-21V2AKE048D-19V2A
OutputDC Voltage12V24V18V15V21V19V
Rated Current4A2A2.5A2A2A2A
Current Range0-4A0-2A0-2.5A0-2A0-2A0-2A
Rated Power48W48W45W30W42W38W
DC Cable LengthStandard 1.5m, customizable: 1m, 1.2m, 1.8m, 2m, etc.
DC ConnectorStandard 5.5×2.1×10mm tuning fork straight type; customizable: 5.5×2.5mm, 4.0×1.7mm, 3.5×1.35mm straight/right-angle, exposed length, Type‑C, Android plug, aviation plug and other special interfaces.
InputVoltage Range100-240VAC
Frequency Range50-60Hz
Input Current1A
Plug TypeChina / US / EU / UK
ProtectionOvercurrent ProtectionBuilt‑in overcurrent, overvoltage, short‑circuit protection
Overvoltage ProtectionMax 265VAC
Short Circuit ProtectionAuto‑recovery after fault removal
Certifications & CompatibilityProduct CertificationsCCC / CQC / CE / FCC / UKCA / RoHS / BS / CB etc.
CompatibilityFully compatible – one‑stop tuning of various professional parameters according to your product requirements.


48W Power Adapter – Multi‑Output Specifications, Typical Application Overview

Output VoltageOutput Current / PowerTypical Product TypesTypical Application Fields
5V6A~9.6A / 30W~48WMulti‑port USB chargers, Raspberry Pi clusters, large digital photo frames, portable printers, external HDD arrays, smart robots (without motors), LED dot matrix screensConsumer Electronics, Maker Education, Digital Signage
9V5.33A / 48WHigh‑performance routers, set‑top boxes, some IoT gateways, enterprise‑grade wireless APsNetworking, Smart Home
12V4A / 48WLarge monitors (27"), multi‑channel NVR (8‑16ch), core switches, laser printers, 3D printers (medium), industrial panel PCs, medical monitorsSecurity & Surveillance, PC Peripherals, Industrial Control, Medical
15V2A / 30WPortable monitors, some older laptops, certain audio devices, portable scannersPC Peripherals, Audio/Video Equipment
18V2.5A / 45WPower tool chargers (18V battery packs), some portable speakers, LED displays, e‑bike dashboardsPower Tool Charging, LED Displays
19V2A / 38WVarious laptops (e.g. Lenovo, HP, Dell some models), mini PCs, portable monitors, cash registersLaptop Power Supply, Office Equipment
20V2.4A / 48WNew laptops (Type‑C PD), mini PCs, portable monitors, all‑in‑one PCsLaptop Power Supply, Consumer Electronics
21V2A / 42WLi‑ion battery chargers for power tools (21V platform), vacuum cleaner battery charging, electric scooter chargers, some medical rehabilitation equipmentBattery Charging, Power Tools
24V2A / 48WIndustrial PLCs, stepper motor drivers (small power), LED strips (5‑6m), inkjet printers, scanners, audio amplifiers, electric locks, automatic door controllers (small power)Industrial Control, LED Lighting, Office Equipment, Access Control
29V1.65A / 48W (or 1.6A~1.7A)Medical physiotherapy devices, LED display modules, specific industrial equipment, 25.2V Li‑ion battery chargers (6‑cell), professional audio equipmentHealthcare, LED Displays, Battery Charging, Industrial Equipment

※ This table covers common output specifications for 48W adapters (including 12V4A, 24V2A, 18V2.5A, 15V2A, 21V2A, 19V2A and 29V etc.), suitable for power supply or charging of various electronic products.


KE-048D.jpg

Shenzhen KEYULONG Technology Co., Ltd. (KEYULONG Technology) was founded in 2011, an integrated manufacturer covering R&D, design, production, sales and service. ISO 9001 certified. We focus on 5W‑120W mid‑to‑high end power adapters, product lines include “matching chargers (5V1A/5V2A, etc.), QC/PD fast chargers, GaN fast chargers, wall‑plug adapters, desktop adapters”. We provide “high reliability, full compliance, fast customization” solutions, widely used in security & surveillance, smart home, medical equipment, LED lighting, drones and other fields.

Production ScaleISO 9001 certified, 8000㎡ factory in Huizhou, annual capacity 10 million units, 150+ employees
Quality Control8‑step full inspection, pass rate 99.95%, MTBF ≥50,000h
Global CertificationsCCC, CE, UL, FCC, PSE, KC, RoHS, etc., 100+ items
Customization Service1‑working‑day response, 15‑20 days delivery, MOQ 1000 pcs,Regular samples can be shipped within 24 working hours.
In‑Stock ServiceFor in‑stock products, MOQ 100 pcs, shipped within 24 working hours

15+ years of power experience · Serving 3000+ global companies · Make every watt more valuable

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