Best Qdy 72v 2a 2025

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Last Updated - 09/06/2025

Best Choice

01

Yasco Power

Yasco Battery 72 V 20 Ah Large Capacity Rectangular PVC Waterproof Rechargeable Battery Electric Bicycle Battery Lithium Battery

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9.7

Exceptional

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Main highlights

Waterproof PVC material: the outer layer of the battery pack. Waterproof PVC material has the properties of insulation and wear resistance. Double layer nickel strips, good soldering, uniform spot welding, clean installation. Life expectancy of our e-bike battery up to five years. Do not fix the battery directly on the bike, it is easy to suffer from collision or extrusion, shortens battery life. We suggest putting it in a bag, a suitcase. If you need an additional case, please contact us in advance.
WARRANTY POLICY & CUSTOMIZED SERVICE: We are factory direct sales. All new Yasco batteries enjoy a 1-year warranty. We have technical team based to offers the best customer support. You can customised e-bike conversion assemblies, include types of cell, various parameters of batteries or motor.
Perfect compatibility: Size: 245.190.80 mm (you can send us an email to adjust the size to your e-bike needs). Best choice for adult electric mountain bike, commuting e-bike, hybrid bike, e-trike, fat tire bike, electric scooter, bicicleta electrica, bicicletas electrica para hombres.
Long lasting battery power: integrated 60A BMS protective plate, ensure the safe use of batteries. Comes with 84V 4A charger, after it is fully used up, it can be charged to 100% fully in 8 hours, you can usually drive about 60-80 km on the roads.
DE LOCAL WAREHOUS, 2-5 DAY DELIVERY AFTER SHIPPING. Built-in 21700 lithium cell, battery life up to 1000+ times. The 72 V rectangular PVC lithium battery of the electric bicycle has 20 Ah large capacity, suitable for 0-3360 W motor.

486,00 €
02

HKY

HKY Battery Charger 36 V 2 A Output 42 V 2 A Input Lithium Li-ion Adapter for E Bike, Hoverboad, Electric Scooter, Electric Scooter, Ebike Accessories, Lipo Charger, 36 V Lithium Battery, Escooter

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9.5

Excellent

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Main highlights

Note: 36 V is the battery voltage and 42 V the charging voltage. Fast charging and connections: 84W power makes this charger faster charging and more stable performance; Plug specification: DC5.5x2.1 mm; Please read the picture and text description of the plug in detail to make sure the plug fits your device before you buy it
Input: 100-240V 50-60Hz, output: 42V 2A, plug: 5.5 x 2.1 mm. Attention: plug is 5.5 x 2.1 mm. Charging cable 36 V: charger for electric scooters, e-bikes and other devices with 36 V lithium batteries; input: 100-240V~50/60Hz, 2.5A; output: 42.0V-2.0A; power: 84W; can only charge 36V lithium batteries
HKY - Products tested by manufacturer to meet and/or exceed specifications of OEM products.
For battery 36V 2A charger, output 42V 2A charger input 100-240VAC, lithium li-ion LiPo charger for 10 series 36V e-bike, compatible with 36V e-bikes, e-scooters, DIY battery packs, 10S lithium ion & LiPo batteries with 36V and a DC2.1 charging socket
For 36V lithium-ion battery, 36V electric bicycle lithium charger, only suitable for 36V batteries, not 24V or less batteries. Check the voltage of the batteries and make sure the DC plug (5.5mm x 2.1mm) is correct.

26,69 €
03

Cpolebev

Cpolebev 72 V 20 Ah Charger for Electric Vehicles with 7 Light Output Indicators Current Leakage Protection Lead Acid Charger

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9.3

Excellent

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Main highlights

The use of a flame retardant ABS shell, and strong, makes you use safer.
Smart chips, SMT technology and welding chips all use intelligent electronic components.
Overcurrent protection, leakage protection, full pulse, multiple protection.
Intelligent flashing light, real-time display of the battery.
Fast charging, saving charging time and improving efficiency.

21,85 €
Value for Money

04

UURRPP

84V 5A Li-ion Charger Multiple Plugs for Electric Bicycle Scooter E-Bike Boat Motorcycle Battery Charger 20S 72V (Not Applicable for Lead Acid Batteries)

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9.1

Excellent

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Main highlights

[Use and maintenance of the charger] This product is suitable for lithium-ion batteries. Please pay attention to whether the charging interface and charging port match, the positive and negative poles must match.
[Product Information] The charger comes with a connection interface: the DC 5.5 x 2.5 mm connection interface is also suitable for 5.5 x 2.1 mm size. - Connector interface conversion: 3P-XLR,RCA,3P-GX16,3P-GX12 with display status: green light for load, red light for charging, green light for full charge. - Input: 100-240VAC Output: 29.4V 2A Color: Black with Maximum Power Supply: 58.8W
[4 Functions to Extend Battery Life] 1. Adopt advanced chip, intelligent protection, safer. - 2. Intelligent and efficient lithium battery charger. - 3. Built-in cooling fan, effectively avoid the phenomenon of charging and heating.- 4. The shell is made of high quality flame retardant ABS material.
When charging, first connect the battery and then connect the AC supply; after full charging, please disconnect the power supply and then pull out the battery plug. If you first unplug the battery when charging, especially if the charging current is large (the red light is on), the charger can be easily damaged.
Multiple safety protection, short circuit protection, over current protection, over voltage protection, over temperature protection, over charging protection, over discharge protection, cycle protection.

23,99 €
05

Scooter Corner

Scooter Corner 36 V 42 V 2 A E Bike Charger for 36 V Battery/Electric Scooter/E-Bike/Golf Cart/Wheelchair, with 3 Pin XLR Connector

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9.0

Excellent

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Main highlights

PREMIUM DESIGN The charger releases heat through the case during charging to ensure stable and efficient charging, while ensuring long-lasting durability of the case. With its carefully designed appearance and sturdy construction, this charger emphasizes reliability and longevity while charging your battery.
Intuitive LED indicator light: with red and green LED indicator lights, you can easily see the charging status. The red indicator indicates that the charging process is running, while the green indicator indicates that the charging process is complete, so you can see the battery status at all times.
Intelligent Safety Protection Our charger has multiple safety mechanisms, including over voltage protection (OVP), over-current protection (OCP), overload protection and short circuit protection to ensure safe and reliable charging.
Intelligent Charging Technology This battery charger can intelligently monitor and manage the charging cycle. Once the charging process is complete, it will automatically shut off to effectively prevent overcharging and thus extend battery life.
Charger specifications: Input voltage: (110-240VAC, 50/60Hz) Output power: 42V 2A AC input: EU DC output: 3-pin XLR plug (Please make sure your battery is a 36V lithium-ion battery before purchase. Also make sure the required plug is a 3 pin XLR connector)

18,99 €
06

Scooter Corner

Scooter Corner 42 V AC Power Supply Bicycle Charger for 36 V Battery Electric Scooter E-Bike, for DC 5.5 mm 2.5 mm Connection

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide range of applications: suitable for most balance scooters and electric bicycles, etc.
Safety Protection: With AC adapters with short circuit and overload and over current and over voltage, as well as automatic recovery and maximum power protection, first-class fuses protect smart boards from burnout.
Light indicator: red light indicates charging, green light indicates full charging or disconnecting.
Input: 100-240 VAC, 50/60 Hz, 2 A, Output: 42 V 1.5 A, Output terminal: DC5.5 x 2.5 mm, DC5.5 x 2.1 mm. Please make sure the length and diameter of the DC charging head of your device match our products.
High quality: the battery charger for electric scooters is made of high-quality material for good quality, is strong and durable, not easy to damage and has a long service life.

17,99 €
07

HOUHUI

2A 72W Adjustable Power Supply DC 3V ~ 36V Adjustable Universal Switch AC/DC Universal Adapter with LED Voltage Display and 5.5 x 2.5 mm 16 Tips, for Household Electronics - 2000 mA Max

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【Adjustable Voltage】Input: AC 100-240V, 50/60Hz; Output: DC 3-36V adjustable, max. 2A, 72W; can be used for most devices whose input voltage is between 3V and 36V and whose rated power is equal to or less than 72W.
Wide range of applications: the 72 W all-in-one multi-purpose AC/DC adapter is suitable for many small 3-36 V household electronic devices such as LED strips, 3D printers, smart speakers, WLAN routers, DC motors, DVR NVR monitoring systems, etc. For indoor use only.
Tip: The LCD display shows the output voltage if incorrect voltage control damages your device. Please choose the right voltage before connecting it to your device. An incorrect voltage can damage your device. We recommend using less than 80% of full load.
Multiple integrated safety protection systems: automatic overvoltage shutdown, over-current shutdown, over-temperature shutdown, short circuit shutdown. No noise, no explosion, no fire hazard, safe to use. 50 cm long power cable for convenient use.
Box contents: 1 x 3 to 36 V 2 A universal AC/DC adapter, 14 x DC tips, 1 x reverse polarity converter, 1 x test lead with crocodile clips, 1 x male DC pigtail cable. If you have any questions, please feel free to contact us via Amazon, we are here for you.
14 DC plugs: 6.5 x 4.4 mm + pin, 5.5 x 2.1 mm, 5.5 x 3.0 mm + pin, 5.0 x 2.5 mm, 6.3 x 3.0 mm, 5.5 x 1.7 mm, 4.8 x 1.7 mm, 4.0 x 1.7 mm. 3.5 x 1.35mm, 3.0 x 1.1mm, 2.5 x 0.7mm, Micro USB, Type C and DC Plug Connectors. Easily meet the power needs of your different devices.

19,99 €
08

LEICKE

LEICKE Charger for E-Scooter 42 V / 36 V 2 A 84 W with Round Plug Battery Power Supply for E-Scooters, Electric Bicycles Identical D-Power Charger for Scooter, E-Bike SachsenRAD 5.5 mm x 2.1 mm TÜV

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

TÜV tested: high-quality power supply for most 42 V e-bikes, electric bicycles and pedelecs with 36 V batteries.
Short circuit, overvoltage and overheat protection: thanks to the use of UL technology (Ulta-Long-Life), our power supplies are particularly durable. Protections against overvoltage, short circuit and overheating protect the power supply and your hardware.
LEICKE quality power supply: input voltage: 100-240V 50/60Hz 1.5A (max.) Output voltage: 42V 2A | 84W power | 5.5 mm x 2.1 mm plug - polarity: outer - (minus); inner + (plus) Please check the compatibility carefully before purchase and contact us at any time if you have any problems.
Box contents: LEICKE ULL 84 W power supply (42 V 2 A, 5.5 mm x 2.1 mm), Euro power cable, environmentally conscious packaging according to the LEICKE Eco-Packaging principle.

24,49 €
09

Labtec

LabTEC 42V 2A Power Fast Charger, 5.5 mm 2.1 mm Plug Adapter for Electric Bike Batteries DC 36V Power Supply Compatible with Gotrax GXL G2 V2 S2 APEX Cityscape GKS D1

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8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Warm Attention: Before ordering, please check the types of your machine and our compatibility carefully.
Product details: Input: AC 100-240V, 50-60Hz; Output: DC 42V 2A (can be used for 36V 2A); Power Max: 84W
Our Promise: Come with a 12-month limited seller's guarantee against manufacturer defects from date of purchase, and 24 hours' friendly customer service! Any questions please feel free to contact us
Charger Plug Size:5.5mm(0.21in)x2.1mm(0.08in)x10mm(0.39in)
Applicable Models: 42V Charger is only suitable for 42V / 36V versions scooters batteries and not for 24V batteries or lower.

14,99 €
10

XWST

XWST Power Supply Voltage Converter 15V-85V 24V 36V 48V 60V 72V 80V 85V to 12V 1A 12W Step-Down Converter Regulator Inverter Adapter Converter (DC15-85V Wide Input)

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8.3

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【Wide application】High performance, widely used in engine, dash cam, car truck, vehicle, golf cart, LED strip light, electric fan, camera, light, screen, surveillance system, solar pad and DIY etc.
【Uses ABS Plastic】: The inverter has automatic protection functions such as over-current, over-voltage, overheating and short circuit and is safe to use.
【Quality service】We strive to provide you with the highest quality products and the best customer experience. If you are not completely satisfied, please feel free to contact us at any time.
【High Quality and Performance】: The converter module uses high-quality FR-4 multi-layer circuit boards, resistors, capacitors, switches and MOS transistors are SMD components.
【DC 15V-85V to DC 12V Voltage Converter 1A 12W】: The step-down converter module uses a silicone sealing ring, which is waterproof, dustproof, shockproof, etc. It has high conversion efficiency, good heat dissipation, sufficient performance and stable performance and is suitable for various harsh environments.

9,99 €