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7.4v 11.1v 14.8v Li ion Battery Pack 4000mah Diy Portable Battery Pack

7.4v 11.1v 14.8v Li ion Battery Pack 4000mah Diy Portable Battery Pack

7.4v 11.1v 14.8v Li ion Battery Pack 4000mah Diy Portable Battery Pack

Product Details:

Place of Origin: China
Brand Name: DELONGTE
Certification: CE,ROHS,FCC,MSDS
Model Number: DEL-3S2P

Payment & Shipping Terms:

Minimum Order Quantity: 100pcs
Packaging Details: Standard Export Package
Delivery Time: 5-8 working days
Payment Terms: T/T, Western Union, L/C
Supply Ability: 10000pcs per day
Detailed Product Description
Voltages: 12v Capacity: 4000mah 4400mah 5200mah
Batery Type: A Grade 18650 Cell Battery Case: PVC Or Customized Battery Case
Warranty: One Year Service: OEM ODM
Weight: About 300g Battery Size: About 39*70*106mm

7.4v 11.1v 14.8v Li ion Battery Pack 4000mah Diy Portable Battery Pack
 
 
Specifications
H

Nominal Voltage 12V
Working Voltage 12.6V-9V
Nominal Capacity 4000mah 4400mah  5200mah 
Charge Cut-off Voltage 12.6V
Charge Current 2.5A  max
Operating Efficiency ≥99%
Charge Method CC/CV-Constant Current/Constant Voltage
Charge Temperature 0℃—40℃
Discharge Temperature -20℃~+60℃
Charge Duration 4-5hrs(Standard)
Cycle Life Time Above 500 cycles

 
 
 
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.

 Q: Could you provide OEM service?

 A: Yes, we could, we could also provide blister packaging if you need.

 Q: MOQ.

 A: No limit for standard models.

 Q: Do you have chargers for the batteries?

 A: Yes, we have new chargers.

 Q: How to contact with you?

 A: You could send me a email at below email box.

 
 
Contact:
Skype:jessietang92
Whatsapp/viber/wechat:+86 13421307085

Contact Details
Shenzhen Delong Energy Technology Co.,LTD

Contact Person: Jessie

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