Power up your Acer Aspire laptop with the BTI Battery, compatible with models 4310, 4315, 4320, 4520, and 4710. This reliable 10.8V, 4400mAh 6-cell battery ensures extended performance for work or entertainment on the go. Packaged in a secure retail box and backed by an 18-month warranty, it’s designed for long-lasting durability and seamless compatibility. Whether replacing an old battery or keeping a spare, this BTI battery is a dependable power solution for your Acer laptop.