1.8a Battery Charger

Alibaba.com

Overview

Product sourcing insights & recommendations

Reddit · r/batteries
Wikipedia
28 来源

The "1.8A battery charger" phrase primarily refers to mid-range smart chargers designed for specific voltages (7.2V–21V) across NiMH and Li-ion chemistries BatteryspaceTenergy. This amperage is considered an optimal balance for charging efficiency and battery lifespan, particularly for capacities between 1800mAh and 8000mAh BatteryspaceQuora.

Technical Insights

  • Voltage Specialization: Common configurations include 21V for cordless power tools and 7.2V–14.8V for RC hobbies and specialized portable electronics BatteryspaceTenergyAlibaba.
  • Safety Standard Compliance: Market demand is heavily focused on UL-listed and CE-certified smart chargers with automatic voltage detection and temperature sensors to prevent overcharging BatteryspaceTenergy.

Market Trends & Growth

  • Cordless Dominance: The global charger market, driven by the shift to cordless industrial and home tools, is projected to grow from $28.1 billion in 2025 to over $40 billion by 2034 (CAGR ~3.9%–8.5%) Alibaba.
  • Pricing Dynamics: Retail prices for certified smart chargers range from $28–$32, while B2B wholesale prices on platforms like Alibaba range from $1.22–$15.90 depending on the specific application and order volume AlibabaAlibabaAlibaba.

I have identified several high-potential sourcing options for 1.8A chargers, including power tool replacements and smart RC chargers. Detailed specifications and supplier data are available in the attached files.

Representative 1.8A charging solutions for power tools and hobbyist needs:

Based on the current analysis, you can continue with:

1.8a Battery Charger Nimh Li Ion 21v Ul Listed

Products · 2 lists

21V Power Tool Set Lithium Battery Pack Charger Power Supply 1.8A Charging Current Li-ion Battery Charger

21V Power Tool Set Lithium Battery Pack Charger Power Supply 1.8A Charging Current Li-ion Battery Charger

$1.525.0(72)
MOQ: 5 pieces
1.8ANiMH or Li-ion21VUL listed66% reorder rate≤9h response time
Shantou Chaonan District Simapu Jutai Electrical Appliance FactoryShantou Chaonan District Simapu Jutai Electrical Appliance Factory🇨🇳CN3 yrs
Pengisi Daya Baterai 21V Power Tool Set Lithium Battery Pack Charger Power Supply 1.8A Charging Current Li-ion Battery Charger

Pengisi Daya Baterai 21V Power Tool Set Lithium Battery Pack Charger Power Supply 1.8A Charging Current Li-ion Battery Charger

$12.10-15.905.0(517)
MOQ: 200 pieces
1.8ANiMH or Li-ion21VUL listed25% reorder rate≤1h response time
Xiamen Eahunt Electronics Co., Ltd.Xiamen Eahunt Electronics Co., Ltd.🇨🇳CN4 yrs
DC 21V 2A AC Wall Mounted Power Supply Adapter with OTP/OVP Protection for Electric Screwdriver 18V 5S Li-ion Battery Pack

DC 21V 2A AC Wall Mounted Power Supply Adapter with OTP/OVP Protection for Electric Screwdriver 18V 5S Li-ion Battery Pack

$3.804.6(915)
MOQ: 300 pieces
1.8ANiMH or Li-ion21VUL listed200+ store reviews4% reorder rate
Shenzhen Mingxin Power Technologies Co., Ltd.Shenzhen Mingxin Power Technologies Co., Ltd.🇨🇳CN14 yrs
10-60W Laptop/Computer Charger with 1-4A Speed 4.2V-21V Range for 1A 2A 3A 4A Li Ion Battery

10-60W Laptop/Computer Charger with 1-4A Speed 4.2V-21V Range for 1A 2A 3A 4A Li Ion Battery

$9.504.8(593)
MOQ: 30 pieces
1.8ANiMH or Li-ion21VUL listed500+ store reviews15% reorder rate
Shenzhen Unis Technology Co., Ltd.Shenzhen Unis Technology Co., Ltd.verified🇨🇳CN11 yrs
Mini 18V 21V Battery Charger Suitable for Makita Tools EU/US Plug Power Tool Portable High Quality Smart Fast Li-ion Charging

Mini 18V 21V Battery Charger Suitable for Makita Tools EU/US Plug Power Tool Portable High Quality Smart Fast Li-ion Charging

$6.98-7.585.0(709)
MOQ: 5 pieces
1.8ANiMH or Li-ion21VUL listed200+ store reviews10% reorder rate
Shenzhen Lengtion Electronics Co., Ltd.Shenzhen Lengtion Electronics Co., Ltd.🇨🇳CN13 yrs
15w-72w Gold Supplier Us Uk Eu Au Plug 4.2V 8.4V 12.6v 16.8v 21v 25.2v 1a 2a 3a 1.5a 2.5a 4a Lipo Lithium-ion Battery Charger

15w-72w Gold Supplier Us Uk Eu Au Plug 4.2V 8.4V 12.6v 16.8v 21v 25.2v 1a 2a 3a 1.5a 2.5a 4a Lipo Lithium-ion Battery Charger

$1.40-5.805.0(723)
MOQ: 500 pieces
NiMH or Li-ion21VUL listed
SHENZHEN SUNSHINE TECHNOLOGICAL CO., LIMITEDSHENZHEN SUNSHINE TECHNOLOGICAL CO., LIMITEDverified🇭🇰HK4 yrs
16.8V 2A 21V 1A 12.6V 1.5A 8.4V 2A 18650 Lithium Battery Charger DC 5.5MM*2.1MM 110-220V Lithium Li-ion Battery Wall Charger

16.8V 2A 21V 1A 12.6V 1.5A 8.4V 2A 18650 Lithium Battery Charger DC 5.5MM*2.1MM 110-220V Lithium Li-ion Battery Wall Charger

$34.8(131)
MOQ: 10 pieces
NiMH or Li-ion21VUL listed200+ store reviews15% reorder rate≤11h response time
Shenzhen Huaxunneng Technology Co., Ltd.Shenzhen Huaxunneng Technology Co., Ltd.🇨🇳CN12 yrs
4.2v 8.4v 12.6v 16.8v 21v 1a 2a 3a 4a Lithium Li-ion Battery Charger 18650 Intelligent Automatic Battery Charger

4.2v 8.4v 12.6v 16.8v 21v 1a 2a 3a 4a Lithium Li-ion Battery Charger 18650 Intelligent Automatic Battery Charger

$0.994.5(994)
MOQ: 5 pieces
NiMH or Li-ion21VUL listed300+ store reviews5% reorder rate≤3h response time
Shenzhen Huidetai Trading Co., Ltd.Shenzhen Huidetai Trading Co., Ltd.🇨🇳CN6 yrs
42V1A 84V1A 126V1A 168V1A 21V1A Lithium Battery Charger 18650 Polymer Overvoltage Protection

42V1A 84V1A 126V1A 168V1A 21V1A Lithium Battery Charger 18650 Polymer Overvoltage Protection

$0.834.1(810)
MOQ: 100 pieces
NiMH or Li-ion21VUL listed50+ store reviews8% reorder rate≤2h response time
Vetex Industrial Co., Ltd.Vetex Industrial Co., Ltd.verified🇨🇳CN2 yrs
High Quality Custom 12.6V 16.8V 1A 2A India Plug Universal Lithium Battery Charger for Kids Toy Car Power Tools

High Quality Custom 12.6V 16.8V 1A 2A India Plug Universal Lithium Battery Charger for Kids Toy Car Power Tools

$1.18-1.354.6(335)
MOQ: 5 pieces
NiMH or Li-ion21VUL listed
Shantou Yuzhou Electronic Electrical Co., Ltd.Shantou Yuzhou Electronic Electrical Co., Ltd.verified🇨🇳CN1 yr
Hot Sale Qualified Power Tool Set Electric Hardware Power Tool 21V Lithium Battery Pack Charger

Hot Sale Qualified Power Tool Set Electric Hardware Power Tool 21V Lithium Battery Pack Charger

$1.50-25.0(919)
MOQ: 500 sets
NiMH or Li-ion21VUL listed1400+ store reviews57% reorder rate≤2h response time
Nantong Quzo Instrument Co., Ltd.Nantong Quzo Instrument Co., Ltd.🇨🇳CN6 yrs
Universal Industrial 21V Wireless Battery Charger for Power Tools with LED Illumination US/EU Plug Special Features

Universal Industrial 21V Wireless Battery Charger for Power Tools with LED Illumination US/EU Plug Special Features

$1.95-2.254.8(459)
MOQ: 2 pieces
NiMH or Li-ion21VUL listed100+ store reviews4% reorder rate≤2h response time
Jiangsu Zhuoqi Electronic Technology Co., Ltd.Jiangsu Zhuoqi Electronic Technology Co., Ltd.verified🇨🇳CN2 yrs
Auto Battery Charger 21v 2a Lithium Ion Battery Charger High Quality Battery Chargers

Auto Battery Charger 21v 2a Lithium Ion Battery Charger High Quality Battery Chargers

$1.154.8(468)
MOQ: 200 pieces
NiMH or Li-ion21VUL listed
Guangzhou Golden Falcon Electronic Trade Co., Ltd. Yuexiu BranchGuangzhou Golden Falcon Electronic Trade Co., Ltd. Yuexiu Branchverified🇨🇳CN5 yrs
16.8V 2A 21V 1A 12.6V 1.5A 8.4V 2A 18650 Lithium Battery Charger DC 5.5MM*2.1MM 110-220V

16.8V 2A 21V 1A 12.6V 1.5A 8.4V 2A 18650 Lithium Battery Charger DC 5.5MM*2.1MM 110-220V

$1-5.324.9(997)
MOQ: 1 piece
NiMH or Li-ion21VUL listed50+ store reviews5% reorder rate≤4h response time
Shenzhen Sanhuang Technology Co., Ltd.Shenzhen Sanhuang Technology Co., Ltd.🇨🇳CN1 yr
Smart 21V 1A Lithium-ion Battery Charger 5S Li-ion Battery Fast Charger Adapter Electric Drill Tool Battery Charger 21v 1000ma

Smart 21V 1A Lithium-ion Battery Charger 5S Li-ion Battery Fast Charger Adapter Electric Drill Tool Battery Charger 21v 1000ma

$4.504.9(493)
MOQ: 100 pieces
NiMH or Li-ion21VUL listed400+ store reviews17% reorder rate≤2h response time
Shenzhen Sritec Technology Co., Ltd.Shenzhen Sritec Technology Co., Ltd.🇨🇳CN9 yrs
Factory Custom 21V1A1.5A2A Lithium Battery Charger Massager Power Tool Charger

Factory Custom 21V1A1.5A2A Lithium Battery Charger Massager Power Tool Charger

$1.984.8(918)
MOQ: 1000 pieces
NiMH or Li-ion21VUL listed300+ store reviews13% reorder rate≤2h response time
Foshan Guangyuanxing Electronics Co., Ltd.Foshan Guangyuanxing Electronics Co., Ltd.🇨🇳CN6 yrs
Manufacturer Direct 4.2V 8.4V 12V 12.6V 14.6V 16.8V 21V 1A 2A 3A 5A Lithium Li-ion LFP Cordless Power Drill Battery Pack Charger

Manufacturer Direct 4.2V 8.4V 12V 12.6V 14.6V 16.8V 21V 1A 2A 3A 5A Lithium Li-ion LFP Cordless Power Drill Battery Pack Charger

$0.50-1.504.8(500)
MOQ: 100 pieces
NiMH or Li-ion21VUL listed
Shenzhen OPTO365 Technology Co., Ltd.Shenzhen OPTO365 Technology Co., Ltd.verified🇨🇳CN12 yrs
OEM 4.2V 8.4V 12.6V 16.8V 21V 29.4v 1A 2A 3A Lithium Battery Charger Constant Current Lifepo4 Charger for Electric Scooter

OEM 4.2V 8.4V 12.6V 16.8V 21V 29.4v 1A 2A 3A Lithium Battery Charger Constant Current Lifepo4 Charger for Electric Scooter

$0.95-24.7(534)
MOQ: 50 pieces
NiMH or Li-ion21VUL listed200+ store reviews6% reorder rate≤2h response time
Shenzhen Nuomeixin Technology Co., Ltd.Shenzhen Nuomeixin Technology Co., Ltd.🇨🇳CN4 yrs
16.8V 2A 21V 1A 12.6V 1.5A 8.4V 2A 18650 Lithium Battery Charger DC 5.5MM*2.1MM 110-220V

16.8V 2A 21V 1A 12.6V 1.5A 8.4V 2A 18650 Lithium Battery Charger DC 5.5MM*2.1MM 110-220V

$1-34.8(598)
MOQ: 1 piece
NiMH or Li-ion21VUL listed14% reorder rate≤2h response time
Shenzhen Beast & Lion Technology Co., Ltd.Shenzhen Beast & Lion Technology Co., Ltd.🇨🇳CN1 yr
Hot 18V 21V Lithium Battery Charger Quick Charge 18V 21V Power Tool Portable Fast Charger US/UK/EU Plug for  BL1415 BL1815

Hot 18V 21V Lithium Battery Charger Quick Charge 18V 21V Power Tool Portable Fast Charger US/UK/EU Plug for BL1415 BL1815

$1-54.9(407)
MOQ: 1 piece
NiMH or Li-ion21VUL listed≤5h response time
Shenzhen Huixin Tengda Trading Co., Ltd.Shenzhen Huixin Tengda Trading Co., Ltd.🇨🇳CN6 yrs
18V 21V Lithium Battery Charger Quick Charge 18V 21V Power Tool Portable Fast Charger US/UK/EU Plug for BL1415 BL1815

18V 21V Lithium Battery Charger Quick Charge 18V 21V Power Tool Portable Fast Charger US/UK/EU Plug for BL1415 BL1815

$0.80-0.895.0(922)
MOQ: 5 pieces
NiMH or Li-ion21VUL listed≤1h response time
Shenzhen Junhao Yunxin Technology Co., Ltd.Shenzhen Junhao Yunxin 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

16.8V 2A 21V 1A 12.6V 1.5A 8.4V 2A 18650 Lithium Battery Charger DC 5.5MM*2.1MM 110-220V

$1-5.324.7(527)
MOQ: 1 piece
NiMH or Li-ion21VUL listed12% reorder rate≤1h response time
Shenzhen Nordson Electronics Co., Ltd.Shenzhen Nordson Electronics Co., Ltd.🇨🇳CN1 yr
Ac 100-240v Dc  21v 1.2a 1.3a 2A18650 Lithium Battery Li-ion Charger EU Plug

Ac 100-240v Dc 21v 1.2a 1.3a 2A18650 Lithium Battery Li-ion Charger EU Plug

$1.35-1.894.8(56)
MOQ: 5 pieces
NiMH or Li-ion21VUL listed50+ store reviews9% reorder rate≤4h response time
Shenzhen Jinhe Technology Co., Ltd.Shenzhen Jinhe Technology Co., Ltd.🇨🇳CN7 yrs
Factory Wholesale Switching Power Supply Lithium Battery 21V 12V Charger Professional Adapter

Factory Wholesale Switching Power Supply Lithium Battery 21V 12V Charger Professional Adapter

$15.0(636)
MOQ: 1 piece
NiMH or Li-ion21VUL listed
Nantong Pengyou Electromechanical Tools Co., Ltd.Nantong Pengyou Electromechanical Tools Co., Ltd.🇨🇳CN2 yrs
Universal Power Tool Battery Adaptor 48vdc 42v 25.2v 21v 16.8v 12v 8.4v 2600mah 2a 3a 18659 16850 18350 Adapter Battery Charger

Universal Power Tool Battery Adaptor 48vdc 42v 25.2v 21v 16.8v 12v 8.4v 2600mah 2a 3a 18659 16850 18350 Adapter Battery Charger

$3.90-5.905.0(188)
MOQ: 1 piece
NiMH or Li-ion21VUL listed300+ store reviews16% reorder rate
Shenzhen Suppower Tech. Co., Ltd.Shenzhen Suppower Tech. Co., Ltd.🇨🇳CN22 yrs
20W Battery Charger 21V 0.5a 1a Chargers Adapters for 5S 18V 18.5V Lithium Ion Batteries Power Drills Battery Pack

20W Battery Charger 21V 0.5a 1a Chargers Adapters for 5S 18V 18.5V Lithium Ion Batteries Power Drills Battery Pack

$3.50-4.505.0(150)
MOQ: 200 pieces
NiMH or Li-ion21VUL listed≤9h response time
QUAWINTEC TECHNOLOGY CO., LIMITEDQUAWINTEC TECHNOLOGY CO., LIMITED🇨🇳CN4 yrs
21V 1A Universal Lithium Battery Charger AC/DC Adapter Power Supply Cord Switching Transformer for Infant Monitor CCTV Cameras

21V 1A Universal Lithium Battery Charger AC/DC Adapter Power Supply Cord Switching Transformer for Infant Monitor CCTV Cameras

$64.4(468)
MOQ: 1 piece
NiMH or Li-ion21VUL listed
Shenzhen Kabbol Technology Co., Ltd.Shenzhen Kabbol Technology Co., Ltd.verified🇨🇳CN13 yrs
Replacement 25.2V 21.6V Li-ion Battery Charger for Dyson V6 V7 V8 V10 V11 30W Electric Output DC Port Compatible

Replacement 25.2V 21.6V Li-ion Battery Charger for Dyson V6 V7 V8 V10 V11 30W Electric Output DC Port Compatible

$8.30-10.804.5(935)
MOQ: 1 piece
NiMH or Li-ionUL listed200+ store reviews9% reorder rate≤4h response time
Shenzhen Boye Energy Co., Ltd.Shenzhen Boye Energy Co., Ltd.verified🇨🇳CN13 yrs
KAFUWELL DY4213 Universal Special GS Plug Charger 21v Battery Charger Replacement for Makita Battery

KAFUWELL DY4213 Universal Special GS Plug Charger 21v Battery Charger Replacement for Makita Battery

$5.654.9(687)
MOQ: 10 sets
21VUL listed500+ store reviews5% reorder rate≤2h response time
Hangzhou Ok Import & Export Co., Ltd.Hangzhou Ok Import & Export Co., Ltd.verified🇨🇳CN14 yrs
KAFUWELL DY4213 Universal Special GS Plug Charger 21v Battery Charger Replacement for Makita Battery

KAFUWELL DY4213 Universal Special GS Plug Charger 21v Battery Charger Replacement for Makita Battery

$5.21-5.653.9(687)
MOQ: 10 sets
21VUL listed
Hangzhou Ok Import & Export Co., Ltd.Hangzhou Ok Import & Export Co., Ltd.verified🇨🇳CN4 yrs