21v 1.5a Charger For Li Ion Battery
Overview
Product sourcing insights & recommendations
The 21V 1.5A Li-ion charger market is currently driven by the "tool consolidation" trend, with a 2026 shift toward smart diagnostics (OLED telemetry) and GaN technology for higher power density. Consumers are increasingly seeking universal adapters to replace proprietary OEM chargers, but face significant pain points regarding "false green" charging indicators and loud thermal noise in higher-amp units.
Market Trends & Technical Insights
* Smart Diagnostics: Transition from simple LED indicators to real-time telemetry showing voltage and State of Charge (SoC) Alibaba.
* Efficiency Standards: Adoption of GaN (Gallium Nitride) to enable miniaturization and reduce heat output Alibaba.
* Critical Requirements: 5S battery packs require strict CC/CV logic and a precision voltage regulation of 21V ±0.1V to avoid BMS damage XinsuglobalAlibaba.
* Consumer Pain Points: Inconsistent plug sizing (5.5x2.1mm vs. 5.5x2.5mm) and poor thermal management in unbranded units HechoboAlibaba.
Sourcing Recommendations
I have identified several manufacturers capable of producing 21V 1.5A chargers with full OVP/OCP/OTP protection and necessary safety certifications (CE, FCC, RoHS).
* Universal Compatibility: Options include wall-mounted adapters with multi-plug kits to address connector incompatibility.
* OEM/ODM Capabilities: Several top-tier suppliers offer drawing-based customization for specific 5S power tool battery pack configurations.
The detailed product and supplier lists, including pricing and technical specifications, are available in the files below.
I have analyzed the 21V 1.5A charger market and identified key suppliers. You can continue with:
21v 1.5a Li Ion Battery Charger For 5s Power Tool Battery Pack
Products · Top picks & verified manufacturers
Universal Power Adapter AC 100-240V DC 21V 1.5A Lithium-ion Battery Charger for Cordless Drill 21v Lithium Battery
Shenzhen Sritec Technology Co., Ltd.🇨🇳CN9 yrs
DC 21V 2A AC Wall Mounted Power Supply Adapter with OTP/OVP Protection for Electric Screwdriver 18V 5S Li-ion Battery Pack
Shenzhen Mingxin Power Technologies Co., Ltd.🇨🇳CN14 yrs
16.8V 2A 21V 1A 12.6V 1.5A 8.4V 2A 12.6V 2A 18650 Lithium Battery Charger 110-220V Lithium Li-ion Battery Wall Charger
Shantou Chuangkesheng Electronic Technology Co., Ltd.verified🇨🇳CN9 yrs
High Power 21V 20A Li-ion Battery Charger with XT-60 Tips for 5S Series Li-ion Battery Pack
Shenzhen Hagors Technology Co., Ltd.🇨🇳CN8 yrs
21S 72V 5A Li-ion Lithium Battery Charger for 60V Electric Bicycle 88.2V 5A Lithium-Ion Battery Charger Electric Bike Battery
Nanjing Wanfengyang International Trade Co., Ltd.verified🇨🇳CN3 yrs
21V 2A Lithium Battery Charger Electric Drill Tool 2 Packs 5.0Ah P108 Li-ion Ryobi 5S 18V 21V Li-ion Battery Charger
Dongguan Changbao Electronics Technology Co., Ltd.verified🇨🇳CN10 yrs
DC 21V 1.5A 18650 Lithium Battery Charger 5.5x 2.5mm AC 100-240V Li-ion Battery Wall Charger EU US UK AU Plug
Shenzhen Dezheng International Trade Co., Ltd.🇨🇳CN8 yrs
21 V 1.5AH Wall Mount Li-ion Battery Charger With UL FCC CE Approved 21v 1500ma Power Adapter
Shenzhen Sominyu Technology Co., Ltd.🇨🇳CN8 yrs
20W Battery Charger 21V 0.5a 1a Chargers Adapters for 5S 18V 18.5V Lithium Ion Batteries Power Drills Battery Pack
QUAWINTEC TECHNOLOGY CO., LIMITED🇨🇳CN4 yrs
Lithium Battery Charge 21V1A 21V Electric Hand Drill Electric Tool Charge 5 Series Battery Intelligent IC Charging Indicator
AC DC 8.4V 16.8V 21V 25.2V 29.4V 1A 2A 3A Lithium Battery Charger for 6 Cells Li-ion Battery Pack Electric Motorcycles
Shenzhen Winbo Technology Co., Limited🇨🇳CN9 yrs
High Quality Hot Sale 12.6V 5A 21V 3A 42V 1.5A US EU AU Plug Regulated Lithium Battery Charger for Scooter Electric Drill
Shantou Yuzhou Electronic Electrical Co., Ltd.verified🇨🇳CN1 yr
16.8V 2A 21V 1A 12.6V 1.5A 8.4V 2A 18650 Lithium Battery Charger DC 5.5MM*2.1MM 110-220V
Shenzhen Sanhuang Technology Co., Ltd.🇨🇳CN1 yr
16.8V 2A 21V 1A 12.6V 1.5A 8.4V 2A 18650 Lithium Battery Charger DC 5.5MM*2.1MM 110-220V
Shenzhen Ruiqi Electronic Co., Ltd.🇨🇳CN8 yrs
Mini 18V 21V Battery Charger Suitable for Makita Tools EU/US Plug Power Tool Portable High Quality Smart Fast Li-ion Charging
Shenzhen Lengtion Electronics Co., Ltd.🇨🇳CN13 yrs
Lithium Battery Pack Charger 21V 1A-5A OTP Protection 105W CE FCC ROHS Certified
Shenzhen Kabbol Technology Co., Ltd.verified🇨🇳CN13 yrs
AC-DC 21V 3A Li-ion Battery Charger for 5S 18650 PC Material Desktop Use
Shenzhen Bolihong Electronic Co., Ltd.🇨🇳CN8 yrs
Lithium Battery Charger 8.4V 12.6V 16.8V 25.2V 36V 42V 60V 2A 2.5A 3A 4A 5A Power Adapter for Electric Bicycle Li-ion Battery
Shantou Jinshiyuan Electric Appliance Co., Ltd.🇨🇳CN4 yrs
Factory Wholesale Switching Power Supply Lithium Battery 21V 12V Charger Professional Adapter
Nantong Pengyou Electromechanical Tools Co., Ltd.🇨🇳CN2 yrs
High Quality 21V 5A Lithium Battery Fast Charger for Electric Cars Five Series AC 100-240V DC with 5.5mm*2.1mm Interface Plug
Shenzhen Huidetai Trading Co., Ltd.🇨🇳CN6 yrs
NANWEI Fast AC Power Supply Adapter 21V Lithium Li-ion Battery Charger for Power Tools
Nanwei (Yiwu) Import And Export Co., Ltd.🇨🇳CN3 yrs
Cargador De Bateria 21V Power Tool Set Lithium Battery Pack Charger Power Supply 1.8A Charging Current Li-ion Battery Charger
Xiamen Eahunt Electronics Co., Ltd.🇨🇳CN4 yrs
CE Certified Eco-Friendly Fast Charging 21V 2.4A 120-240V Input Battery Charger for Cordless Electric Tool Li-ion Batteries
Nanjing Metalwell Machinery Equipment Co., Ltd.verified🇨🇳CN9 yrs
Universal Industrial 21V Wireless Battery Charger for Power Tools with LED Illumination US/EU Plug Special Features
Jiangsu Zhuoqi Electronic Technology Co., Ltd.verified🇨🇳CN2 yrs
AL1115CV 10.8V 12V 1.5A Lithium-Ion Battery Charger Power Source for Drill/Screwdriver Electric Power Tools Compatibility
Dongguan Humen Qiyun Electronics Co., Ltd.🇨🇳CN2 yrs
21V Power Tool Set Lithium Battery Pack Charger Power Supply 1.8A Charging Current Li-ion Battery Charger
Shantou Chaonan District Simapu Jutai Electrical Appliance Factory🇨🇳CN3 yrs
Hot Sale Qualified Power Tool Set Electric Hardware Power Tool 21V Lithium Battery Pack Charger
Nantong Quzo Instrument Co., Ltd.🇨🇳CN6 yrs
21V2A Li-ion Battery Charger 21v Power Adapter 18650 Charger 21V 2A EU US UK AU Plug
Shenzhen Huanliang Technology Co., Ltd.🇨🇳CN8 yrs
Li-ion Battery Charger for Makitas BL1013 BL1014 10.8V-12V Batteries DC10WA Electrical Screwdriver Tools Power Supply Charger
Dongguan Nuomeixin Technology Co., Ltd.🇨🇳CN1 yrRelated Searches
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Sources & References
19 sources cited · Verified industry data & reports
21V Battery Charger Buying Guide
electronics.alibaba.com
Industrial Battery Chargers Market Size & Forecast 2026- ... The global battery charger market stood at USD 33.6 Billion in 2026 and maintaining a strong growth trajectory to reach USD 64.64 Billion by ... The global battery chargers market size was more than USD 1.35 billion in 2025 and is anticipated to grow at a CAGR of over 5% from 2026 to 2035, ... 3.5mm Stereo to 3-RCA AV Cable Buying GuideBest Mobile Forensics Devices for Security Teams7-Inch Portable LCD TV Buying GuideHow to Choose 1000 km PoC Walkie-Talkies for BusinessBest Vivo X200 Pro Cases for Photography & MagSafe UseDell G7 Screen Replacement Guide: 144Hz, 300Hz & 4K OLEDNFC PTT Phone Buyer's Guide for Industry UseFortiGate UTM Firewall Buyer's Guide 2026
Battery Charger Market Size, Share, Trends & Forecast 2034
www.imarcgroup.com
The global battery charger market size reached USD 28.1 Billion in 2025. Looking forward, IMARC Group expects the market to reach USD 40.0 Billion by 2034, exhibiting a growth rate (CAGR) of 3.90% during 2026-2034. IMARC Group provides an analysis of the key trends in each segment of the market, along with forecasts at the global and regional levels for 2026-2034. We expect the global battery charger market to exhibit a CAGR of 3.90% during 2026-2034.
21V Li-Ion Battery Charger, 21v Power Supply | Battery Charger
www.xinsuglobal.com
21V lithium battery charger is for 5 cell lithium battery, the charging current range is from 300ma to 9A, 21v 300ma battery charger,21v 1a battery charger, 21v 3a battery charger, 21v 5a battery charger, 21v 9a battery charger etc. Pls refer to related model list for details. 4.2V Li-Ion Battery Charger 8.4V Li-Ion Battery Charger 12.6V Li-Ion Battery Charger 16.8V Li-Ion Battery Charger 21V Li-Ion Battery Charger 25.2V Li-Ion Battery Charger 29.4V Li-Ion Battery Charger 33.6V Li-Ion Battery Charger 37.8V Li-Ion Battery Charger 42V Li-Ion Battery Charger 46.2V Li-Ion Battery Charger 50.4V Li-Ion Battery Charger 54.6V Li-Ion Battery Charger 58.8V Li-Ion Battery Charger 63V Li-Ion Battery Charger 67.2V Li-Ion Battery Charger 71.4V Li-Ion Battery Charger 84V Li-Ion Battery Charger *DC jack: normal DC connector: 5.5*2.1,5.5*2.5,3.5*1.35,7.4*5.1,4.8*1.7,Customized DC connector: alligator clip, XLR connector, Air plug, Anderson, XT30/60, SAE connector etc. *All 21v chargers meet safety standard UL/IEC/EN62368, UL1310, IEC/EN61558, IEC/EN61558-2-16, IEC/EN60335-1, IEC/EN60335-2-29, IEC/EN60601, IEC/EN61010, EN60601-1-2, EN 55014-1, EN55014-2, EN 55032, EN 55035, EN55011, EN61000-3-2, EN61000-3-3. *21v chargers are with various of certificates: UL, FCC,cUL, ETL, CE, TUV/GS, CB, PSE, KC, SAA ,C-TICK, RCM, UKCA and we are capable to get more approvals, such as Indian BIS, Taiwan BSMI, Brazil INMETRO, Argentina S-MARK, Israel SII, South Afria SABS.
Battery Chargers Market Size & Growth Forecast 2026-2035
www.researchnester.com
In battery chargers market, 5A to 15A current rating segment is likely to account for revenue share of around 33% by 2035, due to its applicability to most devices requiring moderately fast charging. Furthermore, its suitability for residential and commercial applications, serving low- to mid-capacity batteries, also fuels the segment’s growth. The 5A–15A segment is anticipated to secure a 33% share by 2035, driven by its suitability for moderately fast charging in residential and commercial applications. EnerSys introduced its ODYSSEY battery chargers in September 2022 that provided competent charging in the range of 5A-15A for a variety of battery chemistries. As one of the significant electric vehicle markets, China has implemented policies that push both the manufacturing of electric vehicles and equipment and the building of related infrastructures, such as battery charging stations. In August 2023, Iontra closed a USD 67 million funding round to accelerate its next-generation battery charger MCU, aiming to enter the battery chargers market in Asia Pacific, particularly China.
Industrial Battery Chargers Market Size & Forecast 2026-2036
www.futuremarketinsights.com
Future Market Insights suggests that within the industrial battery chargers market landscape, the accelerating electrification of material handling fleets is creating a structural demand shift from conventional transformer-based chargers to high-frequency and multi-port modular systems. Analysts identify the transition from lead-acid to lithium-ion powered fleets as the central pivot point for the industry, effectively redefining charger architecture, power density, and safety requirements across warehousing and logistics. The global industrial battery chargers market is on track to achieve a valuation of USD 6,184.4 Million by 2036, accelerating from USD 2,735.3 Million in 2026 at a CAGR of 8.5%. As per Future Market Insights, expansion is structurally underpinned by the fleet-wide transition from lead-acid to lithium-ion batteries in forklifts, AGVs, and autonomous mobile robots that demands new charging architectures with higher power density and intelligent energy management. The International Energy Agency (IEA) reported in its Global EV Outlook 2024 that industrial electric vehicle adoption is accelerating in parallel with on-road electrification, confirming the structural tailwind for industrial charging infrastructure. This compels charger manufacturers to invest in modular multi-port systems that can serve mixed fleets of lithium-ion and legacy lead-acid equipment from a single installation. FMI analysts perceive the market evolving toward integrated multi-port charging platforms that serve mixed fleets of lithium-ion and lead-acid equipment from a single modular installation, with digital energy management and predictive maintenance becoming standard features.
21V 2A Charger Buyer's Guide: Compatibility, Safety & Specs
electronics.alibaba.com
16.8V 2A 21V 1A 12.6V 1.5A 8.4V 2A 12.6V 2A 18650 Lithium Battery Charger 110-220V Lithium Li-ion Battery Wall Charger ... Guangzhou Golden Falcon Electronic Trade Co., Ltd. Yuexiu Branchverified🇨🇳CN5 yrs ... Smart Fast Charger 18650 14500 21700 3.7V 2 Slots Lithium Li Ion Battery Charger Rechargeable Vapcell Q2S ... CFT3I Desktop Motherboard Replacement GuideBest Gaming PC Cases 2026: Fishtank, Wood & LCD TrendsTuk Tuk Charger Guide: Voltage, LiFePO4 & Solar IntegrationF-GV 10mm² Cable Buying Guide for B2B BuyersIndustrial Gaming Case Buying Guide 2026Best Battery Desulfator Kit Guide for Automotive & SolarSuper Power Headphones Buying Guide for CreatorsChina earpiece price guide for B2B buyers (2026) I have completed a comprehensive market and product trend analysis for the 21V 2A charger segment. The analysis highlights a major shift toward universal compatibility and smart charging logic (CC/CV) as of 2026. The market is primarily driven by the "tool consolidation" trend, where consumers seek a single, reliable adapter for multiple cordless tool brands and micro-mobility devices. Lithium Battery Pack Charger 21V 1A-5A OTP Protection 105W CE FCC ROHS Certified Li-ion LiFePo4 Lithium Battery Charger 29.4V 25.2V 21V 16.8v 12.6V 5A 4A 3A 2A for Electric Bicycle Bike Tricycle Motorcycle