7.4v 11.1v 14.8v Li ion Battery Pack 4000mah Diy Portable Battery Pack
 
 
Specifications
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Notices
 
1.Our battery is sent out with a little or no power, so please charge it for about  3 - 4 hours before using.When we shipment, we only charged 30-50% power.
2  Do not overcharge or overdischarge batteries .It will decrease the batteries’s service life.
3  Do not short circuit,incinerate and disassemble batteries.
4  Do not impact the battery.
5  Do not drop of cause unnecessary shocks to the batteries
6. Do not carry loose batteries in a pocket or purse with metal objects like coins,paper clips etc.  
7. Do not use inferior charger to recharge this battery in case of damaging the battery.
8. Do not put the battery in the charger too long.
9. Put it beyond the reach of children.
10.The picture only reference, detailed picture will see the actual battery.
 
 
 
Advantages of  recommendations
 

• 12 months Manufacturer's Warranty . Buy with confidence!
•  Each cells with high capacity of the limited size
• With cells to make up a pack ,and between the cells,there is good quality match.which is achieved through strict control technics procedure.
• Shortcut delivery----we can supply you products within a week.
• Circumspect after service-- if there is quality problem,we can give you  replacement.
• Specific dual chargers for you.---considering when battery be used for gloves ,two be used at the same time.Our engineers design dual chargers for you.Which can offer you charging at  the same time and  with cc/cv standard.
• Temperature protection switch inside the lithium battery, when its temperature is at 65--75°C,the protection circuit works and the battery shutdown.
• Color is customized with black,red,white…

 
The Advantages Of 18650 Li ion Battery 

 
 1. Safety: safest Li-Ion battery, CE ROSH approved, built in PCM/PCB, none fire or explosive
 2. Clean and Green energy, no toxic material contained
 3. Powerful: Battery can discharge in 15C~20C
 4. Long life cycle, 80% capacity remain after 500 times deep cycle.                             
 5. No memory effect,highly efficient charge anytime, no reduction of capacity
 6. Operation temperature: -20~70°C
 7.Small size, light weight: 
 8. Good performance at high temperature and high temperature resistance
 9. Low self-discharge rate: < 3% monthly
 Accept OEM ODM service 

 FAQ

Q: How about the warranty of li ion batteries?

 A: Warranty of li-ion battery could be as long as 1 year.

 Q: Payment terms:

 A: 30% in advance, the rest before shipment.

 we could receive the payment via bank transfer or Paypal, the bank transfer fee should be covered by buyer.

 Q: How long will be the delivery?

 A: Usually, batteries in stock, delivery 5-7 days. Batteries without stock, delivery 20-25 days.

 Mr. Jenny

Tel: 86-755-61186759

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