ZTHY Compatible AA-PLVN4AR Laptop Battery Replacement for Samsung ATIV Book 9 Plus 940X3G Ultrabook NP940X3G-K01US NP940X3G-K04US K05US K03HK Series BA43-00364A 1588-3366 7.6V 55Wh Battery typeLi-polymer. Voltage: 7.6V. Capacity: 55W. 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. Replace Part NumberAA-PLVN4AR BA43-00364A 1588-3366 Compatible ModelsSamsung ATIV Book 9 Plus 940X3G Ultrabook NP940X3G-K01US NP940X3G-K04US K05US K03HK Series SecurityAll ZTHY products are Certified by CE, FCC for safety. Strict guidelines for compatibility, and standards compliance for environment safety. ZTHY Laptop Battery Return PolicyRest assured with 30 days Refund and 12 months Replacement,also get our friendly customer service.