8.4v Charger
Overview
Product sourcing insights & recommendations


The 8.4V charger market is a specialized segment serving two primary battery chemistries: 2S (2-cell) Li-ion and 7-cell NiMH packs. Current trends indicate a significant shift toward Type-C integration and multi-chemistry smart charging to support diverse applications ranging from heated apparel to RC toys and pool cleaners.
Core Market Insights
* Dual-Dominance Segment: The "8.4V" term is shared between Li-ion (nominal 7.4V, peak 8.4V) and NiMH (nominal 8.4V, peak ~10V). Misidentification is a common consumer pain point, leading to fire risks if the wrong charging algorithm (CC/CV vs. Delta-V) is applied. Indexbox
* Application Growth: Growth is driven by Outdoor & Creator gear, including heated gloves/socks, bike lights, and professional graphing calculators (TI-84 series). IndexboxGrandviewresearch
* Technological Shift: Traditional wall-plug "bricks" are being replaced by Type-C to DC step-up modules and dual-port USB chargers, allowing users to charge high-voltage packs via standard power banks. GoogleAlibaba
Product Trends & Consumer Signals
* USB-C Everything: Manufacturers are aggressively adopting Type-C boost modules (e.g., turn1product41) that convert 5V USB inputs to 8.4V output, catering to the minimalist "one-cable" travel trend. GrandviewresearchAlibaba
* Safety as a Premium: Consumer reviews highlight LED status indicators and Over-Voltage Protection (OVP) as non-negotiable features. Products without smart cutoff are seeing increased rejections by mainstream retailers due to liability. IndexboxAlibaba
* Price Dynamics: Wholesale prices for basic charger modules have plummeted to $0.10–$0.72, while finished smart chargers for consumer use maintain a premium at $3.00–$10.00 in bulk.
Comparison of Popular Product Types
| Product Type | Typical Application | Key Feature | B2B Pricing (Est.) |
|---|---|---|---|
| USB Step-up Module | DIY/Embedded | Type-C input, compact PCB | $0.10 - $1.50 |
| Mini-Tamiya Plug | Airsoft / RC Toys | NiMH Smart Cutoff | $3.25 - $4.99 |
| Barrel Jack (5.5mm) | Heated Apparel | Dual-port, 1A output | $2.99 - $8.00 |
Detailed product listings and wholesale data are available in the attached files for your review.
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8.4v Li Ion Battery Charger 2s Wholesale
Products · 2 lists

2S 3S 4S Type-C to 8.4V 12.6V 16.8V Step-Up Boost LiPo Polymer Li-Ion Charger 7.4V 11.1V 14.8V 18650 Lithium Battery Charger
Shenzhen Binyueda Electronics Co., Ltd.🇨🇳CN6 yrs
2S 3S 4S Type-C To 8.4V 12.6V 16.8V Step-Up Boost LiPo Polymer Li-Ion Charger 7.4V 11.1V 14.8V 18650 Lithium Battery
Shenzhen Kwm Electronics Co., Ltd.verified🇨🇳CN6 yrs
2S 3S 4S Type-C To 8.4V 12.6V 16.8V Boost Polymer Li-Ion Charger 7.4V 11.1V 14.8V 18650 Lithium Battery Charging Module 1A 2A 4A
Shenzhen Qinda Electronics Co., Ltd.🇨🇳CN7 yrs
2S 3S 4S DC3-6V to 8.4/12.6/16.8V 1-4A Boost 18650 Li-ion Battery Charger Module Type-C BMS
Shenzhen Ruised Technology Co., Ltd.🇨🇳CN9 yrs
Multi-Cell 2S 3S 4S Type-C to 8.4V 12.6V 16.8V Step-Up Boost LiPo Polymer Li-Ion Charger 7.4V 11.1V 14.8V 18650 Lithium Battery
Jiuli Xingxin Technology (Shenzhen) Co., Ltd.🇨🇳CN1 yr
Desktop Charger 2S Li-on 8.4v Battery Charger 1.2A with 2.1 X 5.5 Dc Jack for 7.4V 7.2V LIPO Li-ion Lithium Batteries
Shenzhen Sritec Technology Co., Ltd.🇨🇳CN9 yrs
Multi Cell 2S 3S 4S Type C 8.4V 12.6V 16.8V Step Up Boost LiPo Polymer Li-Ion Charger 18650 Lithium Battery Charger Module
Shenzhen Beast & Lion Technology Co., Ltd.🇨🇳CN1 yr
Multi-Cell 2S 3S 4S Type-C To 8.4V 12.6V 16.8V Step-Up Boost LiPo Polymer Li-Ion Charger 7.4V 11.1V 14.8V 18650 Lithium Battery
Shenzhen Huixin Tengda Trading Co., Ltd.🇨🇳CN6 yrs
18650 Lithium Battery Multi-cell 2s 3s 4s Type-c To 8.4v 12.6v 16.8v Step-up Boost Lipo Polymer Li-ion Charger 7.4v 11.1v 14.8v
Shenzhen Kaisheng Century Electronics Co., Ltd.verified🇨🇳CN3 yrs
Electric Fast 7.4v 8.4v 1.2a 1.5a AC DC Wall Mount 18650 26650 32650 CE FCC ETL SAA KC PSE Li-ion Lipo Battery Pack Charger
Shenzhen Tengshun Power Supply Co., Ltd.🇨🇳CN17 yrs
Multi-Cell 2S 3S 4S Type-C To 8.4V 12.6V 16.8V Step-Up Boost LiPo Polymer Li-Ion Charger 7.4V 11.1V 14.8V 18650 Lithium Battery
Shenzhen XMS Technology Co., Ltd.🇨🇳CN8 yrs
Multi Cell 2S 3S 4S Type C 8.4V 12.6V 16.8V Step Up Boost LiPo Polymer Li-Ion Charger 18650 Lithium Battery Charger Module

Multi Cell 2S 3S 4S Type C 8.4V 12.6V 16.8V Step Up Boost LiPo Polymer Li-Ion Charger 18650 Lithium Battery Charger Module
Shenzhen Nordson Electronics Co., Ltd.🇨🇳CN1 yr
Multi-Cell 2S-4S Step-Up Boost LiPo Polymer Li-Ion Charger 18650 Lithium Batteries (7.4V-16.8V) ROHS3 Compliant MSL 1
Shenzhen Yingsitai Electronics Co., Ltd.🇨🇳CN3 yrs
Multi-Cell 2S 3S 4S Type-C To 8.4V 12.6V 16.8V Step-Up Boost LiPo Polymer Li-Ion Charger 7.4V 11.1V 14.8V 18650 Lithium Battery
Beijing Mengxing Electronic Technology Co., Ltd.verified🇨🇳CN7 yrs
2A 1S/2S/3S Synchronous Buck Li-Ion Charger DC 5-23V to 4.2V 8.4V 12.6V Power Supply Module for 3.7V 7.4V 11.1V 18650 Lithium
Shenzhen Maoxing Weiye Technology Co., Ltd.verified🇨🇳CN5 yrs
Multi-Cell 2S 3S 4S Type-C to 8.4V 12.6V 16.8V Step-Up Boost LiPo Polymer Li-Ion Charger 7.4V 11.1V 14.8V 18650 Lithium Battery
Shenzhen Hanheng Technology Trading Co., Ltd.verified🇨🇳CN7 yrs
Multi Cell 2S 3S 4S Type C 8.4V 12.6V 16.8V Step Up Boost LiPo Polymer Li-Ion Charger 18650 Lithium Battery Charger Module
Shenzhen Goldeleway Electronics Technology Co., Ltd.verified🇨🇳CN17 yrs
2A 1S/2S/3S Synchronous Buck Li-Ion Charger DC 5-23V to 4.2V 8.4V 12.6V Power Supply Module for 3.7V 7.4V 11.1V 18650 Lithium
Shenzhen Wilsom Electronic Co., Ltd🇨🇳CN1 yr
Multi-Cell 2S 3S 4S Type-C to 8.4V 12.6V 16.8V Step-Up Boost LiPo Polymer Li-Ion Charger 7.4V 11.1V 14.8V 18650 Lithium Battery

Multi-Cell 2S 3S 4S Type-C Step-Up Boost LiPo Polymer Li-Ion Charger for 18650 Lithium Batteries 7.4V-16.8V Module-B13 Model
Shenzhen Pinkuo Trading Co., Ltd.🇨🇳CN2 yrs
Multi-Cell 2S 3S 4S Type-C To 8.4V 12.6V 16.8V Step-Up Boost LiPo Polymer Li-Ion Charger 18650 Lithium Battery 7.4V 11.1V 14.8V
Shenzhen Junhao Yunxin Technology Co., Ltd.🇨🇳CN1 yr
Multi-Cell 2S 3S 4S Type-C To 8.4V 12.6V 16.8V Step-Up Boost LiPo Polymer Li-Ion Charger 7.4V 11.1V 14.8V 18650 Lithium Battery
Shenzhen Jiaqisheng Electronics Co., Ltd.🇨🇳CN5 yrs
Multi-Cell 2S 3S 4S Type-C To 8.4V 12.6V 16.8V Step-Up Boost LiPo Polymer Li-Ion Charger 7.4V 11.1V 14.8V 18650 Lithium Battery
Shenzhen Tuozhanteng Electronic Components Co., Ltd.🇨🇳CN5 yrs
2A Multi-Cell Synchronous Buck Li-Ion Charger DC 5-23V to 4.2V 8.4V 12.6V for 3.7V 7.4V 11.1V 18650 Lithium Battery
Shenzhen Chuangyida Electronics Co., Limited🇨🇳CN6 yrs
Multi-Cell 2S 3S 4S Type-C To 8.4V 12.6V 16.8V Step-Up Boost LiPo Polymer Li-Ion Charger 7.4V 11.1V 14.8V 18650 Lithium Battery
Shenzhen Qihuawei Tech Co., Ltd.🇨🇳CN5 yrs
Cheap 15W 1S/2S/3S/4S Lithium Ion Battery Charger 4.2V 8.4V 12.6V 16.8V 500mA 1000mA 1500mA 2000mA Power Supply Adapter for
ShenZhen Haifyer Technology Co., Limited.verified🇨🇳CN12 yrs
XVE Li-ion Battery Charger 8.4v 0.5a 1a Charger CE FCC 8.4v for 2S 7.4V 2200mah RC Air Plane Lipo Battery Laptop Charging DC
Shenzhen Xinguanyuda Power Of Science And Technology Co., Ltd.🇨🇳CN12 yrs
18650 Lithium Battery 2S 3S 4S Type C Charger 8.4V 12.6V 16.8V Step Up Boost LiPo Li Ion
Shenzhen Million Sunshine Technology Co., Limited🇨🇳CN12 yrs
Multi-cell 2S 3S 4S Type-C to To 8.4V 12.6V 16.8V Boost Li-ion Battery Charger DC3-6V 18650 Lithium Battery Plate module
Shenzhen Hongtai Shengye Technology Co., Ltd.🇨🇳CN2 yrsRelated Searches
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Sources & References
37 sources cited · Verified industry data & reports

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