Power Specs: Battery Type: Li-polymer Voltage: 7.7V Capacity:47.3Wh; Cells: 2-cell; The battery is durable and has overcurrent protection, anti-overcharge, anti-overdischarge and temperature control functions. COMPATIBLE P/N: GB02XL GM02XL HSTNN-UB7M HSTNN-DB7X HSTNN-IB8W L42583-002 L42550-2C1 L42583-005 L42550-271 L42550-541 917679-271 917725-855 COMPATIBLE MODELS:HP ChromeBook X360 11 G2 EE Series,HP ChromeBook 14-DB 14-DB0051CL HP Chromebook 11A G6 G8 EE, HP Chromebook 11 G7 G8 EE, HP Chromebook 14 G5, HP Chromebook x360 11 G1 Series Security & Reliability: Our batteries are assembled from top quality material and circuit boards to ensure fast charges and low power consumption, 100% New from Manufacturer, Overcharge and Overdischarge Circuit Protection, Over-temperature and Short-circuit Protection, up to 500 recharge cycles over the life of the battery, meet OEM standard. Warranty & Support: Full refund in 30 days, 12 months warranty. If any issues about the product