Purchased some new 2.8 amp (2800mah) cells to rebuild battery packs for a Sawsall. OEM battery is rated @ 2.4Amps thinking that the new sub C batteries would be close to OEM specs.WRONG! The new assembled packs read 20+ volts but will only power Sawsall for less 2 minutes under cutting load. Discharged & charged several times...no help, current just was not there and no where close to OEM 2.4amp NiCd battery. So ratings must be inflated greatly (am sure these cells would be just fine for drills but for high current uses they are garbage)Now for the big question what cells do you guys use? Brand name , NiCD or NiMH ? I noted when you get into the better cells (Tenergy, Panasonic) cost come out to about the same as a OEM assembled battery pack.