A1175 is a battery that is used in the 15-inch Apple MacBook Pro. It is a lithium battery which has a limited lifespan.

1. MA348LL/A is the part number for this battery and an Apple battery can give a peace of mind while purchasing a replacement battery. While you are purchasing a highest-quality replacement battery, make sure you purchase a genuine Apple battery.

2. Lenmar is a manufacturer of replacement batteries and the company has been developing batteries from 1965. There are few retailers such as Radio Shack and Best Buy provide Lenmar batteries for MacBooks.

3. Lithium batteries are available with a limited useful life and there will be a continuous chemical reaction powering a lithium battery. The quality control of an unbranded battery will be more lax when compared to other branded ones.

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