The problem was the power rating of the adapter cable, versus the battery ... features a resistor value which tells the attached Lenovo laptop it can draw up to 90 W. The battery pack in question ...

Here are some of the best 3 pin laptop power cable adapters available on Amazon ... The company claims it should be compatible with HP, Dell, Lenovo, Sony Vaio, Toshiba, Wipro, LG, Asus, Samsung ...