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Electric Bicycle Li-ion Battery 48V (DD4810M)

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Basic Info.

Model NO.
48V
Brand Name
Eastar
Warranty
12 Month
Cycle Charge Time
>1500times
Ceritification
RoHS, SGS
Capacity
7.2V 20000mAh
Weight
1kg
Cycle Life
500 Times
OEM/ODM
Welcom
Built-in 4-Level Controller
25%, 50%, 75%, 100%
Working Voltage
12V-24V
Transport Package
PVC
Specification
Rohs
Trademark
eastar
Origin
Shenzhen, China
HS Code
87089992
Production Capacity
1000000

Product Description

Capacity indication
Without load, press & hold the black button to check capacity level:
1. LED: Remaining Capacity <=40%
2. LEDs: Remaining Capacity <=60%
3. LEDs: Remaining Capacity <=80%
4. LEDs: Remaining Capacity <=100%
(2) Output level control
With load, press & hold the black button for 2 seconds to power on:
1. The 1 LED light in blue color means the output power is about 100% output power
2. Press the black button again, the 2 LED light in blue color means the output power is about 75% of full output power
3. Press the black button again, the 3 LED light in blue color means the output power is about 50% of full output power
4. Press the black button again, the LED 4 light in blue color means the output power is about 25% of full output power
5. Press & hold the black button for 2 seconds, the LED is off, and the power output also is off.
(3) Application:
Lithium ion provide long lasting energy for portable equipment and other devices such as:
1. Portable equipment: Laptop, camcorder, PDA, Digital camera, portable DVD etc.
2. Home appliances: Two-way radio, Walkie-talkie, Electric toys, Electric bicycles, Emergency lighting
3. Military equipment: IR telescope
4. Telephone switchboard, electric equipments, power instruments and meters
5. Uninterrupted power source (UPS) for computer, Emergency Application, Medical devices
6. Power transmission and transformer station, switch-control, and accident lighting
7. Fire fighting, safety device, and alarm monitoring
8. Automatic office system
9. Radio communication system
10. Emergency lighting and car/ship starting system
11. Portable electric appliances and mining system
12. Traffic and navigation signal lamp
13. Solar Energy: Solar Street lights, Solar LED Lights
(4)Advantages
1. High energy density
Potential for yet higher capacities.
2. Relatively low self-discharge
Self-discharge is less than half that of nickel-based batteries.
3. Low Maintenance
No periodic discharge is needed; There is no memory.
· 4. Very low profile
Batteries resembling the profile of a credit card are feasible.
· 5. Flexible form factor
Manufacturers are not bound by standard cell formats. With high volume, any reasonable size can be produced economically.
6. · Lightweight
Gelled electrolytes enable simplified packaging by eliminating the metal shell.
· 7. Improved safety
More resistant to overcharge; Less chance for electrolyte leakage.
Brandeastar
Modeleastar -7.2v-20000MAH
Nominal voltage7.2V
Nominal capacity(0.2C5A)2000Mah
Standby current≤ 15μA
working efficiency≥ 99%
LED indicatorgreen-100%   
yellow-75%   
orange--50% 
red--25%   
4-steps power output regulatorgreen--99% Power output   
yellow--75% Power output
orange--50% Power output   
red--25% Power output 
ON/OFF   
Working voltage12V-24V
Max output power15W MAX
Resistance load5Ω-200Ω
Charge voltage12V
Discharge voltage24V
Cycle life500times
Internal resistance≤ 230 mΩ 
Size(mm)22*48*70mm
Input/output portDC/1.35*35/7.0mm
Weight1KG
Charge temperature0 °C~ 45 °C; 32oF ~ 113oF
Discharge temperature-20 °C~ 60 °C; -4oF ~ 149oF
Storage temperature-20 °C~ 45 °C; -4oF ~ 113oF
Colorblack
Packagecarton:200mm*300mm*430mm
Long term storage performance75% storage for storage one year
Package/Gross Weight80 pieces/ cartons, Outside carton,11Kg
Warrantyone year

About Eastar Battery
Shenzhen Eastar Battery Co., Ltd was set up as a manufacturer of various batteries in 1997.Our main products include dry batteries ( carbon & alkaline), lead-acid batteries(General batteries, Auto batteries), Ni-MH/Ni-CD batteries and packs, Lithium batteries ( Li-ion, Li-PO).

Quality is our life
As a battery manufacturing group, we have separate factory located in Guangzhou, Shenzhen and Xingfeng for different battery types.We invested much on the advanced production facilities and testing equipments.We have a powerful R&D and skillful worker group.Based on ISO9001, we built up a complete quality control system.
The best services to you
1 year Warranty
ODM & OEM service
24 hours online service
Electric Bicycle Li-ion Battery 48V (DD4810M)
Electric Bicycle Li-ion Battery 48V (DD4810M)
Electric Bicycle Li-ion Battery 48V (DD4810M)
Electric Bicycle Li-ion Battery 48V (DD4810M)

Payment & Shipping
Electric Bicycle Li-ion Battery 48V (DD4810M)


Electric Bicycle Li-ion Battery 48V (DD4810M)
Exhibition
Electric Bicycle Li-ion Battery 48V (DD4810M)Electric Bicycle Li-ion Battery 48V (DD4810M)Electric Bicycle Li-ion Battery 48V (DD4810M)Electric Bicycle Li-ion Battery 48V (DD4810M)
FAQ

1.Q:Can you accept OEM and ODM Service?
A:Yes, we supply OEM&ODM service as clients requirement.

2.Q:Can we get samples for test?
A:Yes, we offer sample, but free samples are not available at beginning.

3.Q:What's your payment term?
A:TT, L/C, West Union, Paypal etc.

4.Q:What's your warranty for products?
A:Generally speaking, it's one year's warranty, for quality problems, we will send you a new one.

5.Q:How long will be the delivery?
A:Usually delivery in 7-15 days, but could be change according to the quantity or other things.

6.Q:How do you control your product quality.
A:All batteries have 10 steps testing during the whole production.

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