Yxx Rechargeable Lithium Ion Polymer Lipo 3.7V 10000mAh Li-ion Polymer Battery for Power Bank

YXX rechargeable lithium ion polymer Lipo 3.7V 10000mAh li-ion polymer battery for power bank 

1. Battery Technical Specification

Minimum Capacity	10000mAh
Nominal Capacity	10000mAh
Nominal Voltage	3.7V
Standard Charging Method	0.5C  CC/CV charge to 4.2V, end current 0.02C
Charge Current	Standard charge: 0.5C; Fast Charge: 1.0C
Charge Time	Standard charge: 180min; Fast Charge: 90min
Charge Cut-off Voltage	4.2V
Discharge Cut-off Voltage	3.0V
Max. Discharge Current	1.5C
Max. Pulse Dischage	2.0C ( < 4S)
Internal Impedance	< 50mΩ
Cell Weight	96g
Volume Energy Density	410.04Wh/L

2. Safety Specification

Max. Charge Current	1.0C (20 ºC ~ 40 ºC)
Operating Temperature	Charge: 5 ºC ~ 20 ºC : 0.2C CC/CV charge to 4.2V, Cut-off current 0.02C;  20 ºC ~ 40 ºC : 0.5C CC/CV charge to 4.2V, Cut-off current 0.02C Discharge: -10 ºC ~ 60 ºC
Storage & Transport Condition	Humidity: 0 - 90% Temperature: -10 ºC ~ 60 ºC 50% SOC, cell should be charged once in six months

3. Appearance And Measurement
3.1 Apperance
There shall not be such defects as leakage, deep scratch, crack, swelling, etc
3.2 Measurement
The accuracy of measuring instruments should meet the following requirements
Voltage measuring device: not less than 0.5 level
Current measuring device: not less than 0.5 level
Temperature measuring device: +/- 0.5 ºC
Time measuring device: < 0.1%
Size measuring device: < 0.1%
Quality measuring device: < 0.1%
3.3 Standard Test Condition
Test should be conducted with new batteries within one month after shipment from factory and the cells shall not be cycled more than five times before the test. Unless otherwise defined, test and measurement shall be done under temperature of 23ºC, humidity of 15% ~ 85%, atmospheric pressure: 86 ~ 106KPa.
4. Electrochemical Performance

Item	Test Method and Condition	Criteria
0.5C Capacity	After standard charging, rest for 30min, then discharge at 0.5C to 3.0V, record the discharge time.	Discharge time > 120min
Cycle Life	Const current 0.5C charge to 4.2V, then Const voltage charge to cutoff current of 0.02C, rest for 10min, Const current 0.5C discharge to 3.0V, rest for 10min. Repeat the above steps	After cycling 500 times: Capacity Retention > 80% Core thickness  < 5.28mm

5. Storage Performance

Item	Test Method and Condition	Criteria
RT Storage Performance	Standard charge and store the cell at 25 ºC for 28 days, then  measure the capacity with 0.2C discharge	Capacity Retension > 85%

6. Environmental Performance

Item	Test Method and Condition	Criteria
Constant temperature and constant humidity	Standard charge cell and test it at the following conditions: 1. Temperature: 40 ºC 2. Relative humidity: 90% ~ 95% 3. Storage time: 48 hours After which, put it at 25 ºC for 2 hours, then 0.2C discharge to cut-off voltage	No explosion, no fire, no leakage. and discharge capacity not less than 60% of initial capacity
Vacuum	Standard charge the cell, then store it in vacuum chamber below 11.6 kPa for 6 hours	No leakage, no fire, no explosion
Vibration test	Standard charge the cell, then secure the cell to the platform of vibration machine. The vibration shall be a sinusoiidal waveform with a logarithmic sweep between 7 Hz and 200 Hz, then back to 7 Hz traversed in 15 min. This cycle shall be repeated 12 times for a total of 3 hours for each of three mutually perpendicular mounting positions of the cell. One of the direction of vibration must be perpendicular to the terminal face.	No leakage, no fire, no explosion

7. Safety Performance

Over-charge Test	0.2C dicharge cell to 3V, then 3C charge cell to 4.6V until temperature drops to 20% lower than the maximum value.	No explosion, no fire
Short Circuit Test	Standard charge the cell, then connect positive and negative terminal with 80 mΩ wire under the environment of 25 ºC until temperature drops to 20% lower than the maximum value.	No explosion, no fire
Thermal Shock	Heat up cell in an oven with temperature ramp of 5 ºC/min to 130 ºC, then maintain the temperature for 30 min	No explosion, no fire

8. Warning and Cautions
To prevent the possibility of the battery from leakage, fire, explosion, please observe the following precautions:
>. The soft aluminum packing foil is easily damaged by sharp edge parts such as MI-tabs and needle. Shall not damage battery with a sharp edge part
>. Don't immerse battery into the water
>. Don't put battery near heating source, such as fire and heater
>. Don't reversely use the positive and negative terminals
>. Don't connect battery to an electrical outlet directly
>. Don't shortly connect positive and negative terminals with metal object such as wire, which is strictly prohibited under any circumstance. it many damage the battery
>. Don't transport and store the battery together with metal objects such as necklaces, hairpin.
>. Don't strike, throw, or trample the battery
>. Don't directly solder the battery and pierce the battery with a nail or other sharp object.
>. Don't use battery  with other battery of different model.
>. Don't bend or fold sealing edge or open folding edge.
>. Don't drop, hit or bend the battery.
>. Don't disassemble battery.
>. Don't use the battery under strong electrostatic and magnetic field, otherwise, the safety device many be damaged and cause potential rick of safety.
>. If the battery diffuses odor, generates heat, discolor or deforms, or in any way appear abnormal during use, recharge or storage, remove battery form the deive, or stop using battery.
>. Don't put the battery under high temperature condition, otherwise, it may cause over-heat, fire, performance failure.
>. Be aware discarded battery may cause fire, so wrap the terminals to insulate them.




Company Profile :
Shenzhen YXX-Tech  Technology Limited. is a digital product manufacturing company including R&D, production and sales, specializing in the production and development of various mobile power supplies and digital products, undertaking OEM and ODM orders, We have 9 years of experience in the field of electronic products, the company has advanced manufacturing equipment and accurate testing equipment, full computer monitoring intelligent aging equipment, has a complete and scientific quality management system. Strong technical experience, professional team operation, adhering to the customer-oriented, honest business philosophy, to survive by quality, to provide professional product production and service for our customers and friends; Its integrity, strength and product quality have been recognized by the industry, Welcome friends from all walks of life to visit, guide and negotiate business. We take honesty as the principle and sincerely hope to work with you to create a better future!
FAQ :
Q1. Are you manufacturer or Trade Company?

We are a manufacturer of digital products in Shenzhen.

Q2. What's terms of payment ?
     
T/T, Western Union, LC at sight

Q3. How do you offer samples?

We offer free samples in certain quantity and delivery within 5-7 working days.

Q4. How about the order process ?

a. Inquiry---provide us all clear requirements.
b. Quotation---official quotation form with all clear specifications.
c. Sample confirmation.
d. Payment terms--- TT 30% in advanced, 70% balance before shipment.
e. Printing file.
f. Production---mass production
g. Shipping--- by sea, air or courier.

Q5. What is your delivery time?

Sample: 5-7 working days
Mass order:  35-45 working days after 30% deposit.

Q6. What is your MOQ ?

For this model, usually our MOQ is 3000pcs.

Q7. Can your factory make the battery based on customers' requrement ?

Yes, OEM service are available.