Need a battery for the Acer Travelmate Tm5730-6984 notebook? BTI has you covered with our premium 6 cell LiIon 4500 mAh, battery. Manufactured by BTI and built to our highest quality standards, this battery meets or exceeds the original manufacturer"s specifications. At BTI build quality is an obsession and this allows us to offer an industry leading 18 month manufacturer"s warranty. BTI...Better Technology Inside