Hailong battery case 1000w 52v 15ah lithium ion 21700 ebike battery pack

Packaging & Shipping

1. All of ebike batteries will be perfectly protected with shockproof bag & foam, and then packed in carton.

2. We will arrange produce your order as soon as possible after payment receiced, and we will arrange shipment 3-7 days after we receive the payment.

3. Battery will be shipped via Express,UPS, DHL, FEDEX and so on. Also you can choose your own shipping forwarder.

We are a professional manufacture with factory, which produce all kinds of high quality lithium baterruies as per customers' requirements and designs.

Our products have already exported to many places all over the world. This is a team not only master advanced science and technology but also full of passion and energy. We are trying best to provide you high quality products as well as the sincere services.

Looking forward to cooprate with you, and welcome to visit our factory.

Sample Room

Office & Workshop

Q1: Are you factory?
A1: Yes, our factory is in Shenzhen, china. Specializing in rechargeable batteries. Lithium ion batteries, ebike batteries, power tool batteries and chargers for more than 10 years.

Q2: Do your e-bike battery come with charger?
A2: All of our e-bike batteries come with charger. We have normal charger and fast charger. If you need fast charger please contact with us.

Q3: Do your electric bike batteries come with BMS?
A3: Yes, Our batteries all with SEIKO IC BMS, with stable performance. That provides protection with short circuit,Overcharged,Overdischarge and Overcurrent.

Q4:What is your delivery date?
A4: Electric Bike Battery will be sent out within 7 days after order confirmed, shipping will cost 3-15days, it depends on quantity and which battery you need. 

Q5:How long is the battery expected to last?
The battery should have around 800-1000 cycles, about 2-3 years. Its capacity diminishes over time, when it goes down to 75%, you should replace it. The more you use the bike, the better the battery retains its capacity, since it keeps the Lithium moving.

Q6: How to maintain the battery?
A: The battery should be stored in clean, dry, ventilated, dark environment when not using. Keep it after full charge, recharge in each 3 months or 6 months.

Q7:What about after-sale service?
A7: We will offer you 1 year guarantee. If there are any problems, please inform us, we will offer you positive solutions. Besides, we also have office and warehouse in US/Germany, can give you better after-sale service.

Q8: Can you provide OEM and ODM service?
A8: Yes, We are a professional Electric Bike Battery manufacturer, which produce all kind of high quality Ebike lithium batteries as customers' requirements and designs.