VSKA1090 Features: * Safe lithium-ion technology * Smart technology communicates accurate information to the computer * No memory-effect * Overcharge protection built in * 6 Cells * Lithium-ion rechargeable * Replaces the following IBM part numbers: 02K7016, 02K7018, 02K6919, 12P4065, 02K6506, 02K6528, 02K6904, 12P4064 * Fits the following IBM models: IBM THINKPAD 600, IBM THINKPAD 600E, IBM THINKPAD 600X, IBM THINKPAD 600A, IBM THINKPAD 600D Specifications: * Provides 58Whr of capacity