The above-mentioned item is a high-quality, compatible battery for your Satellite S55T-A5156. It is an excellent replacement battery for your existing or defective Satellite S55T-A5156. It can also serve as an additional spare battery for on-the-go use. Handling and charging are as easy as usual with the standard power adapter or charger. A high level of safety is provided by the protection electronics against overcharging and short circuits. The use of high-quality cells allows for a greater number of charge-discharge cycles, which means a longer lifespan for your new Satellite S55T-A5156 battery. Quality is our top priority. This means that all batteries are new and unused. Our own quality assurance ensures a high standard of quality. Note: Unless we explicitly state that this is an original product, we supply a compatible product. This means it is in no way an original product from the manufacturer and is therefore not manufactured or recommended by them. All brand and product names belong to their respective owners and are only used for compatibility description.