Our new 322434 / EB1212S battery is rated at 1500mAh and designed to power up 12V Hitachi tools allowing users to run multiple devices off the same battery pack. The EB 1212S is compatible with Hitachi UC24YJ, UC24YFA, ET18DM, UC14YFA, UC18YG, UC18YK, and UC18YRL chargers and works with the following power tool products: 

Hitachi Cordless Drills, Drivers, Wrenches, & Kits with Flashlights 
DB12DM2, DH15D2, DH15DV, DN12DY, DN12DYK, DN12Y, DS10DTA, DS10DVA, DS12D, DS12DM, DS12DM2, DS12DV, DS12DVA, DS12DVB, DS12DVB2, DS12DVB2KS, DS12DVF, DS12DVF2, DS12DVF3, DS13DV2, DV10DA, DV10DV, DW18D, FDS12DVC, FDV12DV, FWH12DVC, FDV12DV, FWH12DC2, FWH12DC3, FWH12DC4, FWH12DD, FWH12DF, WH12DAF, WH12DAF2, WH12DC, WH12DH, WH12DM, WH12DM2, WH12DM2K, WH12DMR, WH12DMR2, WP12DA, WP12DAF, WR12DAF2, WR12DH, WR12DM, WR12DM2, WR12DMR  

Hitachi Cordless Flashlights:
UB12D, UB12DL, UB5D  

Hitachi Cordless Planers:
P20DA 

Hitachi Cordless Blowers:
R9D, RB18D 

and other 12V models.

Best replacement for the following Hitachi OEM battery part numbers: 322434, EB1212S, 318240, FEB12S, 320386, EB1220BL, 320387, 320388, 320606, 320608, 320686, 321652, 322629, 323226, 324279, 324360, EB1214S, 324361, 324362, EB 1214L, EB 1220HL, EB 1220HS, EB 1220RS, EB 1222HL, EB 1226HL, EB 1230HL, EB 1230R, EB 1230X, EB 1233X