Chemistry: Nickel Metal Hydride (NIMH) Voltage: 1.2 Capacity: 1200mAh Measurements: 2.6" x 0.7" x 0.2"   66.04mm x 17.78mm x 5.08mm

PART#: TOOL-414LI-15 Chemistry: Lithium Ion (ICR/CGR/LIR) Voltage: 14.4 Capacity: 1500mAh (21.6Wh) Measurements: 3.9" x 3" x 2.4"  99.06mm x 76.20mm x 60.96mm This replacement 14.4 Volt 1500 mAh Lithium Ion Battery is used in Bosch Power Tools and meets or exceeds original manufacturer specifications.