High Capacity Battery for Panasonic DMC G2

The battery was delivered very quickly, the product is also of good quality, if it were not for the problem of Panasonic chip in the battery. When the, as happened to me, not looking, this is very annoying, especially in the product title, all cameras are listed. I already use third-party batteries years with success. The Fa. Cheap Jack has also sent a credit equal to u. Asked to dispose of the battery, which I think is fine. That leaves only the problem Panasonic "Chip" u. The firmware update. Please note the exact dates of the original batteries, so mAp u. Volts to the original battery. More can not be done. The rest depends on the trader. The should be check the batteries or check himself before he takes them into the program. Therefore, despite good supply u. Quality only 2 stars