8.4v Charger

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Overview

Product sourcing insights & recommendations

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37 来源

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 TypeTypical ApplicationKey FeatureB2B Pricing (Est.)
USB Step-up ModuleDIY/EmbeddedType-C input, compact PCB$0.10 - $1.50
Mini-Tamiya PlugAirsoft / RC ToysNiMH Smart Cutoff$3.25 - $4.99
Barrel Jack (5.5mm)Heated ApparelDual-port, 1A output$2.99 - $8.00

Detailed product listings and wholesale data are available in the attached files for your review.

I have summarized the 8.4V charger trends for you. You can continue with:

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

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

$1-1.504.9(242)
MOQ: 1 piece
400+ store reviews19% reorder rate≤12h response time
Shenzhen Binyueda Electronics Co., Ltd.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

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

$0.36-0.724.8(917)
MOQ: 5 pieces
Shenzhen Kwm Electronics Co., Ltd.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

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

$1.20-1.504.7(762)
MOQ: 20 pieces
1900+ store reviews12% reorder rate≤3h response time
Shenzhen Qinda Electronics Co., Ltd.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

2S 3S 4S DC3-6V to 8.4/12.6/16.8V 1-4A Boost 18650 Li-ion Battery Charger Module Type-C BMS

$1.50-44.7(929)
MOQ: 1 piece
900+ store reviews9% reorder rate≤5h response time
Shenzhen Ruised Technology Co., Ltd.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

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

$1.16-1.544.9(789)
MOQ: 5 pieces
12% reorder rate≤2h response time
Jiuli Xingxin Technology (Shenzhen) Co., Ltd.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

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

$3.90-54.9(141)
MOQ: 1 piece
400+ store reviews12% reorder rate≤3h response time
Shenzhen Sritec Technology Co., Ltd.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

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

$0.10-0.604.8(111)
MOQ: 2 pieces
13% reorder rate≤2h response time
Shenzhen Beast & Lion Technology Co., Ltd.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

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

$0.10-24.9(286)
MOQ: 1 piece
≤5h response time
Shenzhen Huixin Tengda Trading Co., Ltd.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

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

$0.97-1.094.9(860)
MOQ: 10 pieces
200+ store reviews21% reorder rate≤2h response time
Shenzhen Kaisheng Century Electronics Co., Ltd.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

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

$2.505.0(441)
MOQ: 300 pieces
50+ store reviews22% reorder rate≤3h response time
Shenzhen Tengshun Power Supply Co., Ltd.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

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

$0.30-0.504.8(617)
MOQ: 50 pieces
100+ store reviews24% reorder rate≤2h response time
Shenzhen XMS Technology Co., Ltd.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

$0.10-0.603.4(576)
MOQ: 2 pieces
50+ store reviews25% reorder rate≤11h response time
Shenzhen Xingfeng Electronics Co., Ltd.Shenzhen Xingfeng Electronics Co., Ltd.verified🇨🇳CN4 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

$0.099-0.5944.7(622)
MOQ: 1 piece
14% reorder rate≤1h response time
Shenzhen Nordson Electronics Co., Ltd.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

Multi-Cell 2S-4S Step-Up Boost LiPo Polymer Li-Ion Charger 18650 Lithium Batteries (7.4V-16.8V) ROHS3 Compliant MSL 1

$2.21-2.944.9(54)
MOQ: 1 piece
21% reorder rate≤8h response time
Shenzhen Yingsitai Electronics Co., Ltd.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

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

$1.16-1.544.8(733)
MOQ: 5 pieces
300+ store reviews13% reorder rate≤3h response time
Beijing Mengxing Electronic Technology Co., Ltd.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

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

$0.474.8(721)
MOQ: 1 piece
800+ store reviews16% reorder rate≤1h response time
Shenzhen Maoxing Weiye Technology Co., Ltd.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

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

$0.33-0.354.7(538)
MOQ: 10 pieces
1600+ store reviews7% reorder rate≤3h response time
Shenzhen Hanheng Technology Trading Co., Ltd.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

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

$0.10-0.604.6(126)
MOQ: 2 pieces
800+ store reviews14% reorder rate≤5h response time
Shenzhen Goldeleway Electronics Technology Co., Ltd.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

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

$0.42-0.475.0(986)
MOQ: 1 piece
25% reorder rate≤2h response time
Shenzhen Wilsom Electronic Co., LtdShenzhen 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 to 8.4V 12.6V 16.8V Step-Up Boost LiPo Polymer Li-Ion Charger 7.4V 11.1V 14.8V 18650 Lithium Battery

$0.455.0(463)
MOQ: 50 pieces
21% reorder rate≤1h response time
Shenzhen Mondo Smart Co., Ltd.Shenzhen Mondo Smart Co., Ltd.🇨🇳CN1 yr
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

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

$0.32-0.404.7(105)
MOQ: 100 pieces
50+ store reviews12% reorder rate≤3h response time
Shenzhen Pinkuo Trading Co., Ltd.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

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

$0.35-0.445.0(410)
MOQ: 5 pieces
≤1h response time
Shenzhen Junhao Yunxin Technology Co., Ltd.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

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

$0.304.8(130)
MOQ: 10 pieces
100+ store reviews5% reorder rate
Shenzhen Jiaqisheng Electronics Co., Ltd.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

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

$0.40-0.604.5(51)
MOQ: 100 pieces
300+ store reviews5% reorder rate≤9h response time
Shenzhen Tuozhanteng  Electronic Components Co., Ltd.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

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

$1.94-2.874.7(307)
MOQ: 10 pieces
500+ store reviews22% reorder rate≤9h response time
Shenzhen Chuangyida Electronics Co., LimitedShenzhen 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

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

$0.28-1.284.9(491)
MOQ: 10 pieces
50+ store reviews≤7h response time
Shenzhen Qihuawei Tech Co., Ltd.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

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

$1.884.7(597)
MOQ: 500 pieces
ShenZhen Haifyer Technology Co., Limited.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

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

$2-2.505.0(84)
MOQ: 200 pieces
50+ store reviews8% reorder rate≤5h response time
Shenzhen Xinguanyuda Power Of Science And Technology Co., Ltd.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

18650 Lithium Battery 2S 3S 4S Type C Charger 8.4V 12.6V 16.8V Step Up Boost LiPo Li Ion

$0.10-14.7(525)
MOQ: 2 pieces
400+ store reviews11% reorder rate≤12h response time
Shenzhen Million Sunshine Technology Co., LimitedShenzhen 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

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

$0.10-0.154.8(566)
MOQ: 1 piece
400+ store reviews9% reorder rate≤1h response time
Shenzhen Hongtai Shengye Technology Co., Ltd.Shenzhen Hongtai Shengye Technology Co., Ltd.🇨🇳CN2 yrs
8.4V Charger Buyer's Guide: Choose Right for Li-ion or NiMH