I purchased this battery to replace the one in my Samsung phone that was just not holding a charge. The battery has now gone through several charging cycles and the phone holds its charge just as it did when new! What a difference.
I purchased this battery to replace the one that had failed in my TomTom GO 530. The instructions on the internet (just did a search) were spot on and within 30min the new battery was installed. After charging the display showed the battery to be completely full - a battery state that I had not seen since first getting the SatNav! The battery has now gone through several charging cycles and is continuing to show full charge.