 " Rechargeable Lithium Ion Battery  "@en, VW-VBK360 "@en "Panasonic - Battery"@en
"
Features
Rechargeable Lithium Ion Battery Pack3.6V (min.) 3580mAh
"@en 
 "Oregon PowerNow B600E 40-Volt 4.0Ah Lithium-Ion Battery Pack"@en 548208