Motorola Micro USB Travel Charger - Original OEM SPN5334 SPN5356 SPN5374 SPN5358A by Motorola http://www.amazon.com/dp/B00D8YYI5S/ref=cm_sw_r_udp_awd_MC.7ub0VEVBP4
I've always had these. Cheap quick and solid construction. Motorola Micro USB Travel Charger - Original OEM SPN5334 SPN5356 SPN5374 SPN5358A by Motorola http://www.amazon.com/dp/B00D8YYI5S/ref=cm_sw_r_udp_awd_MC.7ub0VEVBP4