4EP350AA : 4.8volt 350mAh rechargeable NiMH battery packs for R/C.
UPGRADED SPECIFICATIONS - now utilizing 350mAh cells. Small, compact 1/3AA cell size. Choose shape & Connector.  
Flat Pack dimensions: 2 1/4" long x 5/8" tall x 1/2" thick.  
Square pack dimensions: 1 1/8" long x 1 1/8" across x 5/8" tall.  
Stick pack dimensions: 0.6" diameter, 2.5" long.  
Typical length of wire is 4".  
Pack weight is approximately 1.1 ounces (32gms).

You can also choose the battery pack without a connector (i.e. just with Red & Black wire leads).  Pricing reflects options chosen.  Connectors cost $ 2.00 extra.
These battery packs are MADE IN THE USA by BATTERIES AMERICA