Электрический велосипед с глубоким циклом 48 в 8 Ач 18650 Аккумулятор для двигателя Bafang

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Price:117,00 $ - 126,00 $

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Product Overview

Description


Product Description

Electric bike bicycle 48v8ah great power icr18650 battery for 1000w Motor +30A/35A BMS+Charger

- With power switch
- DC 5.5*2.1mm charging port
- With 5V 1A output USB charging port
- 4 lamps power level display 


Model
JNT-QT01
Type
li-ion battery
Nominal Voltage
48V
Nominal Capacity
8Ah
Dimension
360*125*90MM
Max Charge Voltage
56.4V
Discharge Cut-off Voltage
34.6V
Continuous Discharge Current
30A
Charge method
CC/CV
Battery system
Built-in BMS
Protection function
Over Charge/Discharge,Short Circuit,
Over Current, Cell Balancing
Working Temperature
Charge:0~45°C,45~85%RH
Discharge:-20~60°C,45~85%RH
Detailed Images


Power display lamp


Total 4 lamps to show Power level
1 red + 3 green means 100% power
One lamp turn off represents
25% capacity decreased 


Power Switch&key switch


Control battery turn on off

Qingtian battery LED will light up 

when  press it  urging the key 

clockwise  to OFF,the battery is 

locked on  plate.


Battery charging socket

Down tube Bicycle battery  

DC 5.5*2.1mm

Charging current can't
over 3 Amps


Bicycle battery discharge port


Black cable for Negative"-"
Red cable for Positive "+"
Discharge connector can
make different types as
your request



36V/48V Battery USB socket


QINGTIAN BATTERY  5V 1A Output USB
Can charged for Mob pone,iPad,MP3 etc.
Recommendation
Certificate

 How can we guarantee the production quality ?
Our laboratory will conduct more than 11 different strict quality tests for each batch of batteries.
Fewer than 10 of 200 battery manufacturers have specialized laboratories. This is critical for battery quality
1. Low pressure test 2.free falltest 3.thermal shock test 4.short-circuit test
5.impact test 6.crush test 7.nailpenetrating test 8.projectile test
9.Programmable Temp& Humi Testing Chamber 10.Electronic Salt-Spray Testing Machine 11.Battery Vibration Testing Machine. 

About Us

About us 

Our factory have been in this field for about 6 years and have rich experiences in designing and manufacturing lithium battery pack, E Bike Battery, solar storage battery, scooter battery and so on. 

In our factory  we have a complete set of production equipment worth more than $3000000 that including battery cell cycle life testing equipment, automatic welding equipment, high temperature testing equipment, low temperature testing equipment, drop testing equipment, vibration testing equipment, whole battery pack  cycle life testing equipment, sample  etc.  

Also we have been built a long-term business relationship with the well-known IC and battery cell companies, such as San-yo, Panasonic, Samsung, LG, Sony etc. and most of our products have got CE, RoHs,UN38.3, MSDS certificates. 

With full testing equipment &  high quality material we can ensure providing best quality products to all our customers. And we have been exported to America, Europe, South America, Southeast Asia, Etc.

We warmly welcome you to visit our factory. 




Packing & Shipping

Packaging:
We always choose the best and safe packaging material to make sure your orders won't be damaged during delivery.

Package included:   1x Bike Battery     1x Charger    2x Keys

Air Shipment  

1. Sample order or quantity less than 10pcs can ship by air. 

2. Air shipping time will take about 7-10 working days to Europe Country, 10-12 working days to US, AU Country with door to door service. 

3. For Europe country it delivery by UPS; For US country it delivery by FedEx; For AU country it delivery by Post. 


Sea Shipment 

If quantity over 30pcs, you can choose sea shipment, it will much cheaper than by air. 


Sea shipping time is about 15-45 days depending on destination port. 


 

FAQ & Contact US

Q:  How long warranty do you offer? 

A:  General speaking, we offer one year warranty for battery. For quality problems, we will send you new one. We will bear the freight. 


Q:  How do you ship battery? 

A:  We can ship battery by air or sea. For air shipping, shipping time is about 7-10 working day to Europe Country, 10-12 working days to US and AU country. Sea shipping time is about 15-45 days depending on destination port. 


Q: How about the quality and safety of your battery? 

A:  All batteries we used Brand A grade cell & high quality build-in BMS  and they have 10 steps testing during the whole production to ensure the quality.  


Q:  What is your lead time? 

A:  It is 3-7 working days for sample order, 15-20 days for bulk order after payment received. 


Q: What is your payment method? 

A:  T/T, PayPal, Western Union, Alibaba trade Assurance. 


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