Battery Model: HTO3XL, HT03XL replacement for L11119-855 hp batteries, can be recharged more than 500 times during battery life, Battery Type: Lithium-ion battery. Voltage: 11.55V Capacity: 41.9WH; Cells: 3-cell; Package Includes: 1x HT03XL Battery with two mounting aids, 2 plastic triangular cocking tabs, and user's manual