Micro JST connector sources.

The first one is connector-only; the others have pigtails of various flavors.
Micro JST 1.25 T-1 2-Pin Connector Plug Female ,Male x 50 Sets
10 x Micro JST 1.25 2-Pin Male , Female Connector plug w/.Wire
Mini. Micro JST Connector plug 1.25 2-Pin w/.Wire x 10 sets
Mini Plug Extention for Micro Battery 10cm (5pcs/bag)