02K6530 - Ni-MH Batt IBM TPad 1400/1500 series. 02K6630 replaces laptop batteries with PN 02K6631 or 02K6634 or 02K6635 or 02K6530. Please look up the bottom of your computer and find the "TYPE" no. If it starts with 2621-??? or 2651-??? this is the right battery for your laptop. Battery technology: Ni-MH, 9.6 Volts 4500mAh.