Magsafe battery has also been a great fix for a 5-year old built-in battery for 1/3 the cost of a battery replacement, and when I finally replace this phone I'l

Magsafe battery has also been a great fix for a 5-year old built-in battery for 1/3 the cost of a battery replacement, and when I finally replace this phone I'll still have the magsafe battery for travel/emergency. 3rd party versions of course, the official one was much more expensive than that.