LiitoKala 13S 48V 2A Lithium-ion battery pack charger 5.5*2.1mm Universal 54.6V 2A AC DC Power Supply Adapter AC E-bike Charger

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Product Details


It has: constant voltage, constant current, over voltage, over current protection; indicator light conversion; automatic recovery and other functions.

Charging voltage:54.6V (±0.1), the indicator light is green when no load

Charging voltage range: the highest voltage is not higher than 55V, the voltage in the constant current phase is random, but not higher than 55V

Output current:2A, constant current charging, the indicator light is red

Conversion current: 200mA (ie constant current 10%), after the full conversion, the indicator light is green

Ripple and noise (Note 3), <300mVp-p (constant voltage)

Line adjustment rate (Note 4), ±1%

Load regulation rate (Note 5), ±1%

DC output power: 110W

Efficiency: >85% (maximum output voltage, full load)

DC voltage adjustable range:0-54.6V

Input voltage range:100 ~ 240VAC; 47 ~ 63Hz; 140-350VDC

Input current: 0.03A/230V

Inrush current, cold start current :2A/230V

Leakage current:<3.5mA

Overload protection: 105%~150%

Type: FOLDBACK current limit output Reset: automatic recovery

Temperature coefficient, ±0.03% °C (0 to 50 °C) OUTPUT

Start, rise, hold time, 200ms, 50ms, 30ms

Shock resistance, 10500Hz, 2G 10min./1 cycle, duration 60 minutes, each axis

Pressure resistance, input – output: 1.5KVAC

Isolation resistance, between input and output: 10M Ohms

Working temperature, humidity, -10 ° C ~ +50 ° C, 20% ~ 90% RH

Storage temperature: temperature, -10 ° C ~ +60 ° C, 20% ~ 90% RH

SIZE: 170*70*40(MM)

About DC size : we will send you 5.5*2.1mm

Shipping & Payment


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Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

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*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

Why Buy From Us

A few reasons why buy from us:

We try our best to make your shopping experience not only pleasant, seamless and hassle-free, but also secure.

Enjoy flexible international shipping services that currently operate in over 200 countries across the world.

It's okay to change your mind! You can send your order back for a full refund, we've got you covered with our full Buyer protection.

Brand new products are available on a regular basis.

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