Original battery part number: 39R6519, 39R6520, 42C2193^^Product
Type: Li-ion, Voltage: 2.5V, Capacity: 6600mAh / 16.50W h, Size: 157.23 x 40.30 x 26.51 mm, Weight: 364g.
^^Safety protection: Over-charge, over-discharge, over-heat, over-current & short-circuit protection. ^^Perfectly replace your original battery. Please select the correct battery according to your original battery part number. ^^30-day full refund, 365-day warranty. You can consult us at any time, 7*24 hours email service.