... : 4Series,1parallelType: Li-ionBrand: HGBCertificates: CE,Rohs,ISO9001High security,No fire,No explosionshape,size are welcomed customer-madeHigh power discharge perfomanceSuitable ... batteryrechargeable batteryLithium-ion Polymer Battery 1.Doesnt contain Mercury, No fire, No explosion, No leakage2.High safety and high rate battery3 ...