Lithium Battery Pack for LED Flashlight

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TT or LC
Min Order Qty:
100 Pieces pc
Supply Capability:
3000 Pieces Per Week pc/month

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Product Description:


3.7v 6600mah lithium battery pack for led flashlight


1.Light weight

2.Japan&Korea 18650 cell

3.OEM/ODM welcome

4.BMS protection




Nominal Voltage


Nominal Capacity

6600mAh(0.2C discharge)




approx 200g

Composed Type


Max Charge Protetion Voltage


Charging Current


Charging Time

3-4 Hrs

Charge Method


(constant current and constant voltage )

Max Discharge Current


Recharge Cycle Life

800 times

Working Temperature





Storage Temperature

and Humidity

One month


Three months


One year:


Protection Functions

Over charge, Over discharge,

Over load, Short Circuit


full 12 months


Packaging & Delivery

Packaging Details:Neutro-packing, standard export packing.

Delivery Detail:10-15 days after receiving payment

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Q:What is the voltage of the series battery pack?
(Same capacity) battery in series, its voltage is equal to the sum of the battery voltage, the current constant.
Q:Is the battery pack good for 18650 or the polymer?
When the temperature out of control, 18650 battery has a safety valve can be cut off from the battery inside the circuit.
Q:UPS battery pack maintenance time calculation?
Find the total power that the input needs to enter. High power UPS efficiency of 80%, total power = load power ÷ 80% = 6 (KW) ÷ 80% = 7.5 (KW)
Q:Uninterrupted power ups to reprovision the battery pack?
Generally do not have to use, there are internal battery pack, power to save emergency data, let the computer power to continue to run after ten minutes.
Q:How to use a battery pack to supply multiple voltage circuits?
12V this way can be directly output. Or the battery voltage is higher than 12V with a buck circuit to stabilize the 12V output .5V is also. Ordinary current small with 7805 and 7812 can.
Q:The difference between the battery cell and the battery pack.
Finished battery pack with a single (such as our usual cell phone and MP3MP4 battery), there are many sections (such as laptop batteries).
Q:Ups external battery how to take?
Replace the battery line to the original company service station or dealer to buy raw materials, in order to avoid the lack of capacity caused by heat or fire, causing a fire.
Q:UPS and machine sharing the hazards of the battery pack.
Theoretically not a problem, that is, the discharge time is short twice.
Q:What almost all of the remote control cars, are using the battery pack, can not use the No. 5 battery?
These are battery packs, one is convenient and safe, and the other is to save money.
Q:Three and 10 string battery pack What does it mean?
10 string is to put the three batteries together in a whole. Take 10 of these 3 and together with the battery to its positive and negative connected together so that it became a three and 10 string battery pack.
It is engaged in the lithium battery R&D, production and sales, with high-tech enterprises import and export license and general taxpayer qualification. Main products are Medical Equipment battery, Electric Bike battery, Power Tool battery and Lighting battery etc. our products have passed ETL,CE,RoHs,REACH,MSDS,UN38.3 Certifications.

1. Manufacturer Overview

Location Guangdong,China (Mainland)
Year Established 2009
Annual Output Value US$2.5 Million - US$5 Million
Main Markets 20.00% Western Europe
15.00% Oceania
15.00% Northern Europe
10.00% South America
10.00% North America
10.00% Eastern Europe
10.00% Southern Europe
10.00% Domestic Market
Company Certifications CE

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Shenzhen,Hongkong,Ningbo
Export Percentage 31% - 40%
No.of Employees in Trade Department 11-20 People
Language Spoken: English, Chinese
b)Factory Information  
Factory Size: 1,000-3,000 square meters
No. of Production Lines 3
Contract Manufacturing OEM Service Offered
Product Price Range High and/or Average