|Place of Origin:||China|
|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|
|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
|Nominal Capacity||4000mah 4400mah 5200mah|
|Charge Cut-off Voltage||12.6V|
|Charge Current||2.5A max|
|Charge Method||CC/CV-Constant Current/Constant Voltage|
|Cycle Life Time||Above 500 cycles|
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
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
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.
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.