Amazon.com : CREABEST 2 Pack 12V 3500mAh Ni-MH Replacement Battery Compatible with Hitachi EB1212S EB1214L EB1214S EB1220BL EB1220HS Include One 1.2V-18V Battery Charger : Tools & Home Improvement
Amazon.co.jp: Hitachi 12 V Battery, Compatible with Hitachi Desktop, 12 V, 3.0 Ah, eb1214S, EB1214L, BCC1215, EB1220BL, EB1212S Battery, Compatible with Hitachi Koki Battery, Nickel Metal Hydride Acquired PSE Japanese CE :
Hitachi Eb1214s 12v Battery Eb1214 | Hitachi Eb1214s 12v Li Ion Battery - High - Aliexpress