3.70V, 1300mAh,Li-Polymer,Replacement Pocket PC Battery for HP iPAQ h3870, iPAQ h5100, iPAQ h5150, iPAQ h5400, iPAQ h5450, iPAQ h5500, iPAQ h5550,COMPAQ iPAQ h3100, iPAQ h3600, iPAQ h3700, iPAQ h3800, iPAQ h3900, iPAQ h3950, iPAQ h3970,Compatible Part Numbers: 253511-B21, 253512-B21, FA127A, PE2031A, Battery Type: Li-Polymer///Voltage: 3.70V //Capacity: 1300mAh// Color: Black Dimension: 93.23 x 66.34 x 7.94 mm//Weight: 185.05 g Remark: This is an external battery. To be use this battery, an additional case must be required. Please study our Instruction Manual before use. [Ships from and sold by power198]: Ship from California, Approximate transport time is 2 to 6 business days depending on location.! [Ships from and sold by power198]: Expedited shipping available! High Quality! Big Discount! Competitive Price! Large Selection!