PREMIUM QUALITY REPLACEMENT NOTEBOOK BATTERY: Bring your laptop back to life with Ninjabatt's high quality laptop battery - Made of high quality materials, top grade battery cells and packed with safety features. TRUE CHARGING CAPACITY THAT LASTS: Every one of our replacement notebook batteries are tested to meet OEM specifications. Our 4 cells Li-ion battery is rated at 33wH/2200mAh/14.8V - true charge capacity that wont let you or your laptop down. SAFETY FIRST: Dont fall into buying cheap and unsafe batteries, our HP batteries are certified for safety and packed with a variety of safety features, including short circuit, overheat, and overload protections HIGH QUALITY COMPONENTS & 12 MONTH WARRANTY: Our Laptop batteries are assembled from top quality material and circuit boards to ensure durability and performance. We only use grade A battery cells that provide up to 500 charging cycles. Were so confident in the performance of our replacement laptop batteries that wer