IBM ThinkPad 600 Series Battery are made from a grade cells and highest quality parts, the IBM laptop battery are tailored made according to the original size,
whether the battery appearance, size and quality are the same as with the
original. Every IBM ThinkPad 600 Series laptop battery should be under strict quality
control including filtration and safety testing of voltage,capacity and
battery core before leaving the factory, and has passed the authentication
of CE, UL, EMC, CQC,ROHS, etc.

IBM ThinkPad 600 Series batteries features:
Uses the highest quality cells.
100% Q.C. of EVERY product. Extended run time.
1 Year Extended Warranty.
Excellent Service.
100% compatible with original battery.

Compatible Part Number:
02K6919, ASM 10L2158, ASM 10L2159, ASM 12J2464, ASM 12P4065, FRU 02K6506, FRU 02K6528, FRU 02K6904, FRU 02K7016, FRU 02K7018, FRU 12P4064

Fit Models:
IBM
IBM ThinkPad 600 Series
ThinkPad 600, ThinkPad 600A, ThinkPad 600D, ThinkPad 600E,
ThinkPad 600X, ThinkPad 600X (2645-5EU)

IBM ThinkPad 660 Series
ThinkPad 660

Specification:
Battery Type:Li-ion,  Voltage:10.8V,  Capacity:4400mAh