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Quick Details

  • Place of Origin: China (Mainland)
  • Brand Name: Masspower/OEM
  • Model Number: MAS-1
  • Type: Li-Ion
  • Nominal Voltage: 11.1V
  • Size: 55x37x69mm
  • Nominal Capacity: 4400mAh
  • Certificate: CE,RoHS, MSDS, UN38.3
  • Payment: T/T, Western Union, PayPal
  • Shipment: 10 working days
  • Warranty: 12 months

Packaging & Delivery

Packaging Details standard export carton package
Delivery Time 10-15 days



Technical datas for li-ion battery (11.1V 4400mAh):

Nominal Voltage


Nominal capacity


Discharge cut-off voltage


Max. charge voltage


Max. constant working current


Peak Current


PCB board

IC is Seiko brand

MOS is AOS brand

Working temperature



PVC package/hard case


CE, RoHS, UL, UN38.3, MSDS


Premium cells (Panasonic, Sanyo, Samsung, LG...):

Quality PCM (Protection Circuit Module):

External view of company:

Inner view of company:

Payment and shipment:

Payment terms

T/T, Western union, Paypal

Lead time

Sample order: 3-5 working days

Normal order: 10-15 working days 

Shipping way

Air Express or sea transportation


CE, RoHS, UL, UN38.3


12 months

Quality and Guarantee:

Product standard: From design, material preparation to production, quality control, sales and customers service, MassPower batteries follow the ISO9001, CE, RoHS international standard.


Life span: All MassPower batteries use full A+ battery cells. No A or B grade low quality cells inside so that MassPower batteries have longer working life and larger capacity. We guarantee full and real labeled capacity.


Power management: All MassPower rechargeable batteries have built-in high quality PCB board, chrging protectors, thermal protectors and circuit breakers, effectively avoiding the over-charge, over-discharge, over heating and short circuit. You will have complate confidence on our products.





Transaction History of the Supplier

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Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
4 Transactions 1,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $29,000
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