02K6632 - Li-Ion Batt IBM TPad i1400/i1500 Series. Compatible Part Numbers: 02K6576, 02K6577, or 02K6578. Please look up the bottom of your computer and find the "TYPE" no. If it starts with 2611-___ this is the right battery for your laptop. Does *not* replace 02K6524, 02K6525 or 02K6526. Battery Technology: Li-Ion, 14.8 Volts 3200 mAh.