Battery is a special product, all batteries need several cycle test before delivery, so production and
test time need about 3-7 days after confirm order;
For EU Countries customer: (Tax free)
Air to Europe firstly, then dispatch by Europe UPS/DPD, tracking number can be trackable online after UPS/DPD transfered the parcel.
Shipping time is usually 7-12 working days( not including Sat Sun) after delivery.
For USA Customers: (Tax free)
Shipping by Fedex/UPS, Shipping time is usually 6-12 working days after delivery.
1)Shipping by Special Line to Australia, Malaysia, Thailand, Taiwan, Shpping time is usually 4-12 working days.
2)Shipping by Specail Line to Russia(Tax free), tracking online update after arriving Moscow. Shipping time is usually 18-28 working days.
Please note: battery can't be sent to any island address, if you're from a Island address, please check with us before order.
UnitPackPower also have warehouse and maintenance center at USA and Germany
Any store without our brand" UNITPACKPOWER" in the ID or name all are fake stores.
Their batteries not from us, with different quality.
We provide 1 year warranty for all electric bike batteries.
Any battery with quality problem in o n e month we can return the money after you provide the proof.
After one month we can send BMS or cells to you for repair,or you can send it back to repair as well.
All our electric bicycle batteries with high quality cells and BMS, and they will be 100% tested before shipping.
Top brand lithium battery manufacturer in China, rest assured to buy.
We don't supply warranty service for the following situation :
The battery goes over water
The battery is broken man-made
The cells are burnt out after using .
Return the battery without reason
Open a case without contacting us
Our battery can fit all motor kit, but exclude these four : Bosch, SHIMANO, Yamaha, Panasonic .
Please contact us, If you can't conifrm your motor.
If you have any problems please feel free to contact us BEFORE you leave negative feedback or file a case.
Any problem is not a problem, as long as you contact us.
Your satisfaction and positive feedback is very important to us.
Please kindly leave positive feedback and 5 Stars for us if you are satisfied with our items and services.
Q: What type of this electric bike battery?
A: It is li ion battery,Chemical is Li(NiCoMn)O2.
Q: What is the difference between li ion battery,NI-MH battery and Lead acid battery?
A: E-bike Li-ion battery have longer cycle life,normal cycle life is 800-1000 times, and also with light weight,small size, No memory effect,Nontoxic, environmental friendly.
Q: What's temperature range of charge and discharge?
A: Charge Temperature: 0 to 45°C and Discharge Temperature: -20 to 65°C
Q: What kind of cells used on this electric bicycle battery?
A: Different capacity with different cells, we make the battery with original A grade Samsung,Panasonic,Sanyo,LG and high quality domestic cells,all can be customized as your requests.
Q: Do your e-bike battery come with charger?
A: 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.
Q: Do your electric bike batteries come with BMS?
A: Yes, Our batteries all with SEIKO IC BMS, with stable performance.Which can protect the battery avoid short circuit,Overcharged,Over discharge and Over current.
Q: Can you provide OEM and ODM service?
A: Yes, We are a professional Electric Bike Battery manufacture with factory, which produce all kind of high quality E-bike lithium batteries as customers' requirements and designs, welcome to place OEM and ODM orders and visit our factory.
Lithium battery features
Longer battery life, the life expectancy is two times that of lead-acid batteries.
Rechargeable and no memory effect.
The weight is more lighter.
Smaller dimensions and can be customized.
Safer and more environmentally friendly, No heavy metals and hazardous substances.
BMS built-in IC chip will prevent battery pack over charge, over discharge, over-current,
over-heat, short circuit .
Do not immerse the battery in water or seawater, keep the battery stands by in a cool dry surrounding.
Does not use or leave the battery near a heat source as fire or heater.
Use the battery charger specifically for that purpose when recharging.
Do not reverse the position and negative terminals.
Do not connect the battery electrodes to an electrical outlet.
Do not discard the battery in fire or a heater.
Do not short-circuit the battery by directly connecting the positive and negative terminals with metal objects.
Do not transport or store the battery together with metal objects such as hairpins, necklaces, etc.
Do not strike, trample or throw the battery.
Do not directly solder the battery and pierce the battery with a nail or other sharp objects.