BackgoundAs you may know, all Pentax DSLRs except the K10D adopt the “AA battery solution”, that means that those DSLRs only accept single-use disposable or rechargeable batteries in either AA or CR-V3 format.K10D is the first and the only Pentax DSLR up till now which uses proprietary Li-ion rechargeable battery, which is the right thing to do, IMHO, but indeed Pentax responded too late and too
