42V 4A Smart Battery Charger for 10Series 36V 37V Li-ion e-bike Electric Bicycle Battery Charger DC 5.5mm*2.1mm fast charging
Order more than 10 at a time, we will send fedex
Input Voltage:100-240V 50/60HZ
DC 5.5*2.5MM Connector also suit for 5.5*2.1MM Size.
When charging, first connector to the battery, then connect to AC; after full, cut off AC, then pull the battery plug. If you pull the battery plug first while charging, especially when the charging current is large (red light), it is very easy to damage the charger.
Green—Full charged, Stop automatically and turn green when the battery is full charged.
Charge mode: CC-CV
First stage:CC-constant current charging, the LED indicator is red. When charging to the rated voltage, it will switch to the second stage.
Second stage:CV-constant voltage charging, the current will gradually decrease until the LED indicator turn to green, and the battery has been fully charged to 90% – 95%. The battery continues to charge at a small current until it is fully charged.
We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.
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.
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.
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.
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.
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.
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.
All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.
Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:
We do not issue the refund if:
*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.
A few reasons why buy from us: