Fast shipping + Free tracking number Battery Charger for LG Optimus Blackberry DX-1 F-S1 F-M1 Easy to charge your battery without the phone . Charge from a USB port or power outlet Charge two batteries at the same time CE and CCC certification . Dimensions: 3.35 x 1.85 x 1.02in (L x W x H) Input: AC 100-240V ~ 50 / 60Hz 0.015A . Output: DC 4.2V 250mA . Output: USB 5.2Vd.c. 650mA Compatibility: Storm9500 Thunder9500 Curve8900 8920 9300 Javelin8900 Storm9530(Thunder) Storm9530(verizon) Storm2 9550 Storm9350 Tour 9630 Bold 9650 9520