NinjaBatt Laptop Battery for Samsung AA-PB9NC6B AA-PB9NS6W AA-PB9NS6B NP300V5A R505 R540 R720 R580 P510 R530 RV515 P530 Q430 R420 R480 RF510 RV510 NP550P5C &ndash; Black - High Performance [6 Cells/4400mAh] 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 6 cells Li-ion battery is rated at 49wH/4400mAh/11.1V - true charge capacity that wont let you or your laptop down. SAFETY FIRST: Dont fall into buying cheap and unsafe batteries, our batteries are UL/CE-/FCC-/RoHS 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 were including a 12-month warranty with every single purchase. COMPATIBLE SAMSUNG PART NUMBERS & MODELS: AA-PB9NC6B, NP300V5A, AA-PB9NS6W, AA-PB9NS6B, R505, R540, R720, NP550P5C, R580, P510, R530, RV515, P530, Q430, R420, R480, RF510, RV510, AA-PB9MC6B, NP-R580, P480, RV520, NP-Q430, R780, RC510, RF511, RF711, NP365E5C, R730, P500, R710, RC512, R560, NP-550, NP-300V5A-A05US, RC512-S02, NP-RC512-W01US, NP-RC512-W01, NP-RC512-S02US, NP-RC512-S01US, RC512-S01, NP-RC512, NP-Q320, NP-R620, RF710-S02, RV511-A01, RV711-A01, NP-RC510, NP-RC520, NP-RC530 Reliable performance Extended battery life Safe use anytime, anywhere