With all the 1500mAH batteries people are buying, how do you know if what you bought a real 1500mAH battery from HTC or not? Well, I purchase a HTC 1500mAH from an ebay vendor with a 98% feedback rating. I was skeptical, but the price was low enough to try it out and see if it really is legit. Well, he sold me a fake HTC battery. How do I know? Read on. True 1500mAH batteries have the following information: - Part no.: 35H00123-00M (or 03M or 22M some xxM) - Model: RHOD160 - mAH: 1500mAH - Whr: 5.55Whr The first RHOD160 1500mAH battery I bought from eBay (bidallies) was legit. All the watermarks, numbers, and fonts match up. Lastly, it works way better than the stock battery and at least as good (if not better than) the Seidio 1750mAH. Now, this other guy on ebay (orange_chan101) is supposedly selling the RHOD160 battery for less than $8 US. However, some of the numbers don't match up (while it's printed RHOD160 and 1500mAH on this battery). 1. the part no is 35H00125-07M 2. the Whr is rated at 4.07Whr 3. the font is different Part no 3500125-07M is for the 1100mAH battery from HTC, and 4.07Whr = 1100mAH. Take the Whr/#Volts = mAH. 4.07Whr/3.7V = 1100mAH I hope this helps. I've attached three images depicting what I'm talking about.