Technical datas for 3s3p 11.1V 5400mAh:

Masspower company building (the one with blue chinese character)

Masspower workshop view:

On site visit:

Payment and shipment:

Quick factor of Masspower/Meinovo:

Founded: in 2011
Factory building area: 5,000 square meters
Number of Employee: 116 people
Product capacity: 400,000 cells
Standarad delivery time: 10-15 days
Major product: li-ion battery and charger

Key Management:

All our key members have attained at least a bechelor degree

All our key members are less than 45 years old of age

Our key members have been well connected to USA, Europe, Africa, Asia and Hong Kong

We are very familiar with lithium battery trends

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.