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1. Technical Data
Sam-sung Brand Cells
Discharge Cut-Off Voltage
Charge Cut-Off Voltage
Standard Charge Current
Max Charge Voltage
80% power after 600-1000 cycles
48V 250W - 500W
2. Basic Data
Battery Net Weight
12 moths and longer, offer local repair in US and Germany
0 ~ 45 Celsius
-20 ~ 60 Celsius
3. Packing List
Battery * 1PC
54.6V 2A Charger with US/UK/EU/AU plug * 1PC
* Shenzhen Unit Pack Power Technology Co.,Ltd is one of the most famous and professional li-ion battery manufacturers in China with nearly 10 years experience in design and produce.
* We build repair centers and warehouses in US and Germany, and stock more than 5000 packs of hot lithium battery packs for retail each two months, including nearly 3000 packs of e-bike batteries, 1000 packs of customized li-ion battery and 1000 packs of lipo battery, also offer local repair service.
* Company is certified by ISO 9001. Battery packs are certified by CE,ROHS,UN38.3,MSDS.
* China Pin An offers global insurance for all batteries packs. (The maximum amount of compensation is 10 million US dollars)
* Not only we are a lithium battery manufacturer but also a team of passionate follower for environmental guard. We aim to offer new lithium technology at good price and be your the most reliable lithium battery one-stop solution cooperator.
* Our products apply with E-bike, electric scooter , electric golf trolley and golf cart, RC helicopter, floor cleaner and other device. We also welcome OEM and ODM.
To keep high quality, we use A grade, 100% import or Chinese cells. Most cells are within 6 months after release dates; No fake, no second-hand battery cells;
We choose cells as these standards:
* Voltage gap is within 5mV;
* Internal resistance is within 3mohn;
* Cyclelife of cells is not lastest than 500 cycles;
Unit Pack Power is a lithium ion battery manufacturer.
Our factory is based in Bao'an district, covers an area of 3000 square meters.
We offer good and reliable battery source for some brand electric bike factory, top e-bike battery sellers in Amazon, eBay, Aliexpress and Alibaba.com.
We do also have local support in the USA and Germany so we will generally not be asking customers to return parts to China if they can't work.
And we also keep stock of 400 packs of hot electric bike batteries in US and Germany. Please contact us if want to know more.
China Ping An (Second largest insurance company in CN) offer global insurance for all batteries produced by us.
5. Parts of batteries are certified to CE/UN.38.3/ROSH/MDSD;6. Faster delivery. 3 days for samples;
1. What distance can I get on a battery single charge ?
There are many factors that can determine the distance you can travel on your electric bike, wind, weight, hills, terrain, whether you use peddle assist or just throttle power only and battery size. Most significant is the battery size, most modern electric bikes will travel at least 40km to 80km on one charge.
2. How far would you like to go on one trip?
We only could calculate the distance in theory, real distance depend on many factors.
Short trips, 20km up to 50km, choose around 10Ah – 15Ah battery.
Longer trips, 32km up to 80km, choose the 16Ah battery.
Very long trips, Please contact us to calculate.
3. Is there a warranty ?
Yes, of course. We offer 12 months warranty once shipping label is created.
We have the repair center in Texas US and Westhausen Germany, could offer local repair.
4. If battery explodes or get fire during working, can I get compensation?
Since our establishment five years ago, there have been only two explosions due to users opening the battery
pack without authorization. Therefore, please do not open the battery pack without permission. If it is normal
use, an explosion occurs and the loss exceeds 5000 USD, we can apply for compensation from the insurance
company. This will hardly happen.
5. How long does it take to charge the battery? How long does the battery last?
Charging time = battery’s rated capacity/charge current + 0.5 hour (slow charge time)
Such as a 48V 10Ah battery. If charge by 2A charger, charge time =10/2+0.5= 5.5 hours. If charge by 4A charger, charge time needs 10/4+0.5=3 hours.
The batteries and the chargers should only be used in a clean, dry and well ventilated environment, above freezing and below 40 Deg.C. Both, the battery and the charger will heat up during the charging process and must not be covered with anything that keeps them hot.
6. Are UPP E-BIKE Batteries water proof? Can I ride them in the rain?
All UPP Batteries are sealed well enough to be safely ridden in light rain.
However, it is not recommended to ride them through very heavy downpours, or through flooded streets or even covered with water. This may short-out some electrical connections and seriously damage the electrical system. It is best to take shelter until the rain eases and the roads are no longer covered with water.
7. Shipping and Delivery ?
If order quantity is less than 5 packs, we ship them within 3 working days.
If order quantity is 5-10 packs , we ship them within 5 working days.
If order quantity is 10-20 packs , we ship them within 7 working days.
If order is more than 20 packs, please check with us.
8. Do I need to wait for the battery to go fully flat before I charge it ?
No, because li ion battery doesn’t been affected by chemical memory you can charge or discharge any time if you wish.
9. How long will it take for my battery to arrive?
Delivery will be made by courier, usually within 10-13 business days of payment to US and EU countries. Some remote areas may take longer. Delivery time may vary for different countries and can take up to 3 weeks.
10. Does it recharge the batteries while you pedal?
No. The batteries are charged with a charger. Simply plug it into the wall socket, just like a mobile phone or laptop computer.
But if your e-bike has the reserved- charge system, we could make the battery with same charge and discharge port. So that battery could be charged when pedal.