Shun 20000mAh 3.7V lithium polymer rechargeable mobile charger mobile power Po ( custom )

Shun 20000mAh 3 7V lithium polymer rechargeable mobile charger mobile power Po custom
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Shun 20000mAh 3 7V lithium polymer rechargeable mobile charger mobile power Po custom
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Price:  US $128.00 / piece
Sale price:  US $89.60 / piece

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20000mAh 3.7V lithium polymer battery with a large capacity and more secure protection board

Model : LP20AH
( For details, please contact customer service )
Batteries capacity : min18000mAh
Nominal Voltage : 3.7V

Charging current: Standard charge : 0.2C; Fast Charge : 0.5C

Standard charging method : 0.2C CC ( constant current ) charge to 4.25V, then CV ( constant voltage 4.2V) charge till charge current 0.05C

Maximum charge current : 0.5C

Continuous discharge current : 0.5C

Maximum discharge current : 1C

Discharge cut-off voltage : 2.75V

Discharge Temperature : -20~ +60

Charging time : 12hrs ( standard ); 3hrs ( fast )

Charge and discharge times : more than 500 times

Self-discharge : less than 400uA

Protection board parameters
Current : 3A
Limiting protection : 4 ~ 6A
Overcharge limit pressure : 4.2 + /-0.05V
Over-discharge pressure limit : 2.9 + /-0.10V

* Due to the over-discharge protection board limit pressure , measured capacity is slightly lower than the nominal capacity of the batteries .

Other technical parameters of the product specifications shall prevail .

Battery with protection board, to prevent over charge , over discharge, over current, short circuit and other functions.

Reservations required for this product , please contact customer service .
This product is mainly applied to mobile backup power , MP3, mobile speaker , microphone , navigation (GPS), mobile phones and other electronic devices.

Standard plug

More models , size and capacity ,Welcome to customize ( MOQ and other details, please contact customer service ) .


  • To ensure the battery capacity to maintain the level recommended batteries and battery packs-20 To 35Under low humidity , corrosive gas storage conditions
  • Avoid storing batteries at high temperatures or high humidity , otherwise it will lead to battery leakage , rust , and lower capacity.
  • May lead to long-term storage batteries and battery capacity decreases, and the need1-3Charging/Discharge cycles to reach the highest discharge capacity.
  • Three months after placing the battery needs charging and discharging cycle time .

Warning :

  • Allowed to reverse charging , the battery should be connected by polar accurate , can not reverse .
  • Do not allow short circuit , otherwise it will cause permanent damage .
  • The battery can not use under extreme conditions , such as: extreme temperature , deep cycling , extreme overcharge and over discharge.
  • Keep batteries stored in a cool dry place , if a large number of battery storage or shipping batteries must first discharged.
  • Do not solder directly to the battery .
  • If the battery has noise , heat, leakage and other anomalies , please stop using it immediately.
  • Do not fire or attempt to open the battery may burn or harmful substances.
  • Do not allow the use of half of the old batteries or batteries with new batteries together , or will cause over-discharge .
  • Not cut to remove the battery housing and the outer casing .
  • Do not allow the battery into the water.


  • Should charge the battery before use good power .
  • Charging method according to our technical specifications.
  • Use the appropriate charger.
  • Avoid the use of sealed battery should provide appropriate ventilation , otherwise the battery may produce hydrogen in the presence of an ignition source, the situation will explode .
  • Do not attempt to separate or bear squeeze and collision battery pack could cause the battery to generate heat , flaming , alkaline electrolyte spill will damage the skin and eyes will corrode clothing.
  • The battery should be away from the kids , if they are swallowed, contact your doctor immediately required treatment .
  • When the battery is not in use, should be removed from the device .
  • When using the new battery after the first long-term storage or use , fully charged before use .
  • When the battery is hot, do not touch until it cools down.
  • When the battery is found to decrease energy use should switch off the device , in order to avoid over-discharge .
  • When removing the battery pack , you should hold the battery pack terminal and can not hold the line .
  • After the battery if the battery is hot , before charging again to be put in the ventilation without direct sunlight cool.

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Shipping CompanyShipping CostEstimated Delivery Time
DHL3 - 7 days
UPS Expedited3 - 7 days
EMS5 - 14 days
Post Air MailFree Shipping15 - 45 days
Return PolicyIf the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).
Price:  US $128.00 / piece
Sale Price:  US $89.60 / piece
from AliExpress
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