SlimStack Hybrid Power SMT Connectors Molex SlimStack Hybrid Power SMT Board-to-Board Connectors provide up to 15A of power and electrical reliability in an ultra-compact design. The dual-contact designed SlimStack line offers a wide selection of low-profile, narrow width options in various stack heights and circuit sizes. Molex SlimStack Hybrid Connectors are designed for battery and other power applications for mobile devices such as cellphones, tablet PCs, and portable medical equipment.