RELIABLE NOTEBOOK BATTERY REPLACEMENT: Restore your laptops performance with NinjaBatts expertly engineered batterybuilt with durable components, advanced cells, and multiple layers of protection for long-lasting, safe operation. TRUE CHARGING CAPACITY THAT LASTS: Every one of our replacement notebook batteries are tested to meet OEM specifications. Our 6 cells Li-ion battery is rated at 48wH/4400mAh/10.8V - true charge capacity that wont let you or your laptop down. SAFETY FIRST: Dont fall into buying cheap and unsafe batteries, our Toshiba batteries are certified for safety with UL/CE-/FCC-/RoHS standards and packed with a variety of safety features, including short circuit, overheat, and overload protections. HIGH QUALITY COMPONENTS: Our Laptop batteries are assembled from top quality material and circuit boards to ensure durability and performance, our batteries are equipped with grade A battery cells that provide up to 500 charging cycles. COMPATIBLE MODELS: C800 C80