... CertificationCE ,RoHS,ISO9001MOQ100pcs / ModelDelivery Time22daysAfter-sales service12 monthsApplicationsMP3, digital device...Primary Competitive *Experienced Staff *Green Product Advantages:* ... Lithium polymer battery is a better and safer repalcement for lithium-ion battery2.Thin format, light weight , large ... a little or no power, so please charge it for about 3 - 4 hours before using.When we ...