Attaching the test results. File bqidle02.txt -> test #1, bqactive02.txt -> test #2.

A word about the battery. The one I used to test is a stock Nokia battery that came with the phone. However, I cannot attest to it's genuineness, since there appear to be identical fake ones (and I bought the phone used). I have 2 more spare batteries bought on Ebay. One of them turned out to be a cheapo 900mAh that doesn't even boot the phone up. Another is slightly better at 1250mAh and works. I have no idea how it compares to the original BL-5J, though.