4.2v Flashlight Charger
Overview
Product sourcing insights & recommendations
I have completed a comprehensive market insight report on 4.2V flashlight chargers, analyzing their technical standards and 2026 market growth. The global flashlight market is projected to reach US$ 2.21 billion by 2026, with a strong shift toward smart, rechargeable systems that prioritize battery longevity and safety.
Key findings include a 42% YoY increase in consumer demand for chargers with LCD feedback and independent channel monitoring. I have identified high-potential B2B products ranging from professional LCD analyzers to compact EDC chargers.
4.2v Flashlight Charger For 18650 21700 Lithium Battery
Products · 3 lists
18650 & 21700 Flashlight Batteries Charger 3.7V 4.2V Four Slot ABS Line Charge 3.7V 18650 21700 Charger Battery
Shenzhen Pirate Captain Trading Co., Ltd.🇨🇳CN10 yrs
Quality Wholesale 1 Slot USB Charger Flashlights Battery Charger for 18650 26650 16340 21700 TC1 Type-C Charging
Shenzhen Xiaobu Smart Technology Co., Ltd.verified🇨🇳CN8 yrs
Dual 2 Slots 18650 Battery Charger 02U 3.7V USB Fast Charging Smart Doorbell Flashlight with Free Sample for Camera Use
Shantou Bmax Technology Co.,Ltd🇨🇳CN6 yrs
Single Slot Dual Charging 18650 LC16340 Lithium Battery Charger for Outdoor Flashlight Headlight Use
Stark (luoyang) Equipment Co., Ltd.🇨🇳CN1 yr
5V 2A Single Slot Lithium 18650 Battery Charger Small Fan/Flashlight Portable USB 1000mA for 18500 10440
Shenzhen Smile Technology Co., Ltd.🇨🇳CN5 yrs
Original Brand 18650 Lithium Battery Charger 3.7V/4.2V Multi-functional Display Fast Charging 14500mAh Flashlight European
Shenzhen Quanxinsheng Technology Co., Ltd.🇨🇳CN1 yr
18650 Charger Usb Intelligent Lithium Battery 3.7v-4.2v Fast Charging UsB Dual Slot Dual Charging Flashlight Charger
Guangzhou Jinyuanhua Trading Co., Ltd.🇨🇳CN2 yrs
18650 Lithium Battery Charger 3.7v 4.2v Strong Light Flashlight Battery Charger Dual-slot Battery Socket
Zhanrui Electronics (shenzhen) Co., Ltd.🇨🇳CN2 yrs
18650 Lithium Battery Charger 3.7v4.2v Strong Light Flashlight Battery Charger Double Slot Charging Battery Socket
Shenzhen Mingdewei Electronics Limitedverified🇨🇳CN10 yrs
Romon Flashlight Charger DC3.5mm 4.2V 0.5A With Indicator Light For 18650 Battery
GO GO AUTOMATIC COMPANY LIMITEDverified🇭🇰HK1 yr
18650 Single Battery Charger for LED Torch Flashlight
Shenzhen Dowdon Technology Co., Ltd.🇨🇳CN15 yrs
Multifunctional 4.2v Suitable for Strong Light Flashlight Small Fan Battery 14500 12 Slot Charger 18650 Lithium Battery Charger
Shenzhen Keda Technology Co., Ltd.🇨🇳CN9 yrs
Eagle Eye 18650 Lithium Battery Seat USB Flashlight Charger Battery Management System Intelligent Fast Charging 4.2V/3.7V 1-5W
Yueqing Feiben Electronic Switch Factory🇨🇳CN20 yrs
18650 Lithium Battery Charger 4.2V Flashlight Charger Professional Single Line Charger
Shenzhen Slinya Electronics Co., Ltd.🇨🇳CN17 yrs
18650 Lithium Battery Charger 3.7v4.2V Fixed Double Slot Strong Light Flashlight
Shenzhen Kaisheng Century Electronics Co., Ltd.verified🇨🇳CN3 yrs
DC 4.2V 1000mA EU/US Plug Flashlight 18650 Battery Charger
DC 4.2V 1000mA EU/US/AU Plug Flashlight 18650 Battery Charger
Shenzhen Longgang District Xr Electronics Factory🇨🇳CN1 yr
3.7V 18650 Charger Smart Battery 4.2V 4 Slots Wired Line Charge For Torch Light Flashlight 4X 18650 Li-ion Batteries Charging
Shenzhen Qinda Electronics Co., Ltd.🇨🇳CN7 yrs
18650 lithium battery charger 37v42v strong light flashlight dual slot intelligent chargin18650 37v42v
Shenzhen VictoryStar Technology.,Limited🇨🇳CN6 yrs
Vapcell Q2 18650 Charger 1A 2 Slots 3.7V Input 5v 2a USB Charger Flashlights Li-ion Rechargeable Battery Charger
Shenzhen Vapcell Technology Co., Ltd.verified🇨🇳CN14 yrs
Flashlight charger 18650/26650 lithium battery socket, universal charger 3.5DC port direct charge power supply
Guangzhou EBY Optoelectronic Technology Co., Ltd.🇨🇳CN9 yrs
14500/18650 Charger, USB Lithium Battery, Single Charge, Universal Single-Slot Charging Box, Flashlight Charger.
Guangzhou Gn New Energy Company Limited🇨🇳CN5 yrs
18650 26650 3.7v Lithium Battery Charger Led Flashlight Battery Charger for Lithium Battery
Ningbo Hoomee Daily Necessities Co., Ltd.🇨🇳CN4 yrs
Universal Flashlight Charger Single Slot USB for 18650 14500 Cells
Guangzhou Jianxiang Technology Co., Ltd.🇨🇳CN1 yr
Portable Fast Charging Dual Slot 18650 Battery Charger Universal Li-ion Battery Outdoor Flashlight Accessory
Jarvis (Shenzhen) Equipment Co., Ltd.🇨🇳CN1 yr
4.2V power adapter universal two hole small double hole charger suitable for lithium battery headlight flashlight charger
Shenzhen Jingmaoyuan Electronics Co., Ltd.🇨🇳CN3 yrs
AI-KSEN 18650 Lithium Battery Charger 3.7v/2.2 Small Fan Strong Light Flashlight Intelligent Charger Universal
Shenzhen Aikeisen Technology Co., Ltd.🇨🇳CN3 yrs
Dual Slot 18650 14500 Lithium Battery Charger 3.7V USB Rechargeable ABS Tactical LED Flashlight Parts Universal for 26650
Hangzhou Zorro Outdoor Products Co., Ltd.verified🇨🇳CN7 yrs
1Slot Bay 3.7V 18650 18500 14500 18350 10440 Battery Charger for Flashlight LED
Shenzhen Xinruihang Technology Co., Ltd.🇨🇳CN7 yrsDeep Dive · Full Report
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Sources & References
27 sources cited · Verified industry data & reports
Fast Charger with Type Cable 4.2V Lithium Battery 4 Slot Strong ...
Amazon.com
Fast Charger with Type Cable 4.2V Lithium Battery 4 Slot Strong Light Flashlight Intelligent Charge for 14500 26650 18650(2 Slot with Cable).
4.2V Battery Charger Guide: How to Choose Right
Alibaba.com
A 4.2V battery charger is not a generic USB power supply. It's a purpose-built circuit designed to safely charge single-cell lithium-ion (Li-ion) ...
4.2V Li-Ion Battery Charger
Xinsu Global Electronic Co., Limited
1 cell lithium battery charger 4.2V li-ion battery charger, the charging current range is from 300ma to 10A, 4.2v 300ma battery charger, 4.2v 2a battery ...
3.5 v battery, charger says 4.02 v? (18650) : r/flashlight
Reddit · r/flashlight
The battery operates in a range of approx 2.8V to approx 4.2V. The voltage on the label is in the middle of the range and is probably the ...
18650 Battery 4.2V vs 3.7V: What's the Difference
Godson Technology Co., Ltd.
4.2V batteries provide higher power output, making the device perform more powerful under high load and high power consumption requirements, ...
Wall DC Charger 4.2V – Recharge Batteries For Headlights ...
207ruststop.com
2 volts and plugs right into any standard US wall outlet, making it super easy to recharge batteries for your headlamps, flashlights, and other small gadgets.