4.7v Charger
Overview
Product sourcing insights & recommendations
I have analyzed the "4.7V charger" market, which primarily serves niche legacy mobile devices, industrial memory backup systems, and specialized Li-ion battery profiles. While standard 5.0V USB chargers have become the norm, the 4.7V specification remains critical for maintaining memory in industrial machinery like Charmilles WEDM and providing specific charging profiles for Ryobi 4V power tools. The market is currently shifting toward adjustable smart chargers and DC-DC boost modules (like the TP4056) that allow for precise voltage tuning to avoid overheating issues common in legacy 4.7V devices.
The detailed report below includes technical specifications, device compatibility charts, and sourcing recommendations for both industrial and consumer replacement scenarios.
I have completed the market analysis for 4.7V chargers. You can continue with:
4.7v Charger Adapter
Products · 3 lists
Ac Dc Adapter Charger Power Supply with 3.2v 3.7v 4.2v 4.3v 4.5v 4.7v 5.2v and 5.4v Dc Output
Shenzhen Xushi Technology Co., Ltd.🇨🇳CN12 yrs
Replacement Charger 4.5V 4.7V 160mA 4 RYOBI 4V Lithium-Ion Cordless Screwdriver CSD4130GN CSD41 5V 2A Power Supply Adapter
Shenzhen Speed Sources Technology Co., Ltd.🇨🇳CN15 yrs
Ac/dc Adapter Charger/power Supply with 3.2v 3.7v 4.2v 4.3v 4.5v 4.7v 5.2v 5.4v Dc Output
Shenzhen Merryking Electronics Co., Ltd.verified🇨🇳CN11 yrs
90w 19V 4.7A Universal Laptop Charger AC Power Adaptor/Adapter With LCD Fit for Almost All Brands Laptop
Shenzhen Tengdaxing Electronic Co., Ltd.🇨🇳CN12 yrs
New Simer 19V 4.74A 90W Power Supply Adapter 4.8*1.7mm AC for G70/GT/G71 Laptop
Dongguan Simer Electronics Co., Ltd.🇨🇳CN8 yrs
10.5V 4.3A 45W 4.8*1.7mm PC Charger for hp 530 G7000 Compaq 6720S 6820S Laptop AC Adapter Wholesale
Shenzhen Apollo International Electronics Co., Ltd.🇨🇳CN8 yrs
Wholesale 90W DC Laptop Charger Replacement for HP Pavilion DV6 DV7 G72 19V 4.74A 4.8*1.7mm Laptop Charger Adapter for HP
Guangzhou Zhanming Electronic Co., Ltd.verified🇨🇳CN11 yrs
Laptop Charger 90W 18.5V 4.9A 4.8*1.7mm OEM AC Adapter for HP Power Supply
Guangzhou Zhaohong Electronics Co., Ltd.🇨🇳CN2 yrs
Portable 90W Power Adapter 6.5*4.4mm Interface Charger for SONY Laptops 19.5V 4.7A
Guangzhou Sanshi Electronics Co., Ltd.🇨🇳CN3 yrs
OEM 22W 9.5V 2.315A 4.8*1.7mm Laptop AC DC Power Adapter QC2.0/PD Fast Charger for ASUS Eee PC 700/701SD/701SDX 2G/4G/8G
Shenzhen Anthy Electronics Co., Ltd.verified🇨🇳CN9 yrs
AC/DC Power Adapter Charger Supply 3.7V-21V 0.5A-3A for Various Devices 4.2V 4.8V 7.4V 8.4V 12.6V 14.6V 14.8V Adapter Adapters
45W 20V 2.25A 4.0x1.7mm Laptop Notebook Power Adapter Universal Charger with Power Cable
Shenzhen LGYD Electronics Co., Ltd.verified🇨🇳CN7 yrs
DC Connector 7.4*5.0mm Female to 4.5*3.0mm Male DC Plug Power Charger Adapter Straight Connector 7.4*5.0 to 4.5*3.0
Changzhou Feixun E-Commerce Co., Ltd.🇨🇳CN1 yr
AC 100-240V DC Smart Charger 4.2V 1A 2A for 3.6V 3.7V 1S Li-ion Li-po 18650 Battery HeadLight Charger Power Adapter
Shenzhen Huaxunneng Technology Co., Ltd.🇨🇳CN12 yrs
Notebook Power Adapter 90W 19V-4.74A Computer Charger 5.5*1.7mm for ACER
Shenzhen Silver Deer Industrial Co., Ltd.🇨🇳CN6 yrs
For HP 7.4*5.0 Laptop Charger 65W 18.5V 3.5A Power Adapter 90W 19V 4.74A Charger for HP
Dongguan Hanpu Electronic Technology Co., Ltd.🇨🇳CN5 yrs
Laptop Power Supply Adapter AC DC 20V 3.25A 65W SCP Function ABS Material Replacement Le 65W 40135
Japter Manufacturer Wholesale Laptop Charger Adapter 90W 19V 4.74A 5.5*1.7mm AC DC Laptop Power Supply Adapter
Foshan Jingteda Electric Co., Ltd.verified🇨🇳CN4 yrs
3.7V 4.2V 800mA Charger Adapter Re-charger Battery Charger for Miner Lamp Rechargeable Mining Light Hunting Light Miner Headlamp
Zhuji Xierdeng Electric Appliance Co., Ltd.🇨🇳CN17 yrs
7.4*5.0mm 90W Replace Ac Adapter Charger 19.5V 4.74A for HP PAVILION Laptop Genuine
Shenzhen Weilaikesi Technology Co., Ltd.🇨🇳CN7 yrs
4 Port USB Charger Cheap for 3.7V Li-Po Battery Black Universal DC to DC Battery Charger Adapter
Shantou Bmax Technology Co.,Ltd🇨🇳CN6 yrs
OEM Laptop Adapter 20V 2.25A 45w 4.0*1.7mm Power Supply Charger Laptop for Le Novo
OEM 19.5V 4.74A 90W AC Adapter Charger for Hp 7.4*5.0mm
Srich Electronic Co., Limited🇭🇰HK1 yr
90W AC DC Desktop Power Adapter 7.4*5.0mm Big Round DC Plug Replacement Laptop Charger
Shenzhen Jy Industrial Co., Ltd.verified🇨🇳CN4 yrs
Universal AC DC Adapter Converter 6 Plug DC1.5V 3V 4.5V 6V 7.5V 9V 12 V 30W Power Charger EU Standard
Focan Electronic Factory (wujin)🇨🇳CN13 yrs
Hot 3V 4.5V 5V 6V 7.5V 9V 12V 1.2A 12W AC/DC Adapter Adjustable Power Supply With Multi Plug 6 Universal Adaptor Charger US/EU
Shenzhen Huixin Tengda Trading Co., Ltd.🇨🇳CN6 yrsHot 3V 4.5V 5V 6V 7.5V 9V 12V 1.2A 12W AC/DC Adapter Adjustable Power Supply With Multi Plug 6 Universal Adaptor Charger US/EU
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Sources & References
24 sources cited · Verified industry data & reports
4.7v charger-AliExpress
AliExpress
A 4.7V charger is a low-voltage power supply for small electronics and lithium batteries. This guide explains when to use it, how to choose the right one, ...
What does it mean when a charger has 5V 0.7A?
Electrical Engineering Stack Exchange
For my phone (Samsung Galaxy Note 2) I have several chargers. I noticed that with some of them it takes much longer to charge the phone, to the point ...
How to Choose a 4.7V Lithium Battery Charger: A Practical ...
alibaba.com
... 4.7V charger ICs manufactured? TI, Maxim Integrated (now part of Analog Devices), and STMicroelectronics produce them in ISO 9001-certified ...
A3036IL Implantable Light-Emitting Diode Design
Open Source Instruments
Connect to 4.7 V charger at 9:18 am, charge current 0.01 A. At 9:37 am charge current is 5.6 mA. Disconnect and obtain battery report 3.7 V. Reconnect to ...
7.2v charger-AliExpress
AliExpress
... devices ... 4.7V charger or 7v charger could be more appropriate. It's important to always match the charger's output to the device's input requirements.
DLYPOW Rechargeable AA Batteries Lithium with Charger ...
Amazon.ae
Good pack of 8x AA lithium batteries and versatile 1.2V-4.7V charger. The charger is compatible with NiMH and Li-ion batteries, so it's a suitable universal ...