More on Amazon.com : http://www.amazon.com/gp/product/B0000223NJ?tag=thefatkidin06-20
Panasonic EY9025B 3.6 Volt 1-2-Amp Hour NiCad Stick Style Battery
36-volt battery
Long life battery pack longer run time quick charge
1200 chargesdischarge cycles
50 more capacity with no change in size of the battery cell
