Mobile phones are carried and used everywhere, and they depend on accessories to function properly. Rechargeable batteries such as lithium-ion power most modern cellphones. Use a coupon to save on car chargers to make sure that your phone's batteries aren't depleted on a long road trip. Smartphone accessories that can be used to enhance your phone's capabilities include memory storage with miniSD cards. Universal USB chargers are convenient for charging multiple smartphones. The entire family can also customize their mobile phones with cool protective skins and cases. Before shopping for phone accessories, visit Giving Assistant to save on your purchases.