EP350AA : 1.2v 350mAh NiMH battery cell 1/3AA size
$ 4.50
EP350AA : 1.2 volt 350mAh 1/3AA rechargeable Ni-MH battery cell. Size: 0.625" tall, 0.56" diameter. Weight: approx 1/3 ounce. Available without tabs (Plain), or with Solder Tabs (one on top, one on bottom - for assembly) for $ 0.25 extra per cell.
This battery is used in "sizzlers" hot wheels cars, and is also used in small R/C hobby battery packs, memory battery applications, etc.
Pricing is for one battery cell; picture shows several views of the batteries