The ThinkPad X300 Series 6 Cell Li-Ion Battery 43R1967 is a rechargeable system battery ... more
that can replace your original system battery or be swapped in as spare. It delivers the greatest amount of run time for X300 Series ThinkPad notebooks. Features Technology Lithium Ion 6 Cells 4000 mAh Compatible with X300 + X301
Product Information for "Lenovo - laptop battery - Li-Ion" »
Manufacturer's product description
Are you a ThinkPad T Series customer who needs an extra Lithium Ion System battery? For extended power needs, you may want to have an extra system battery. The ThinkPad T Series Lithium Ion System Battery is a rechargeable battery that supports the ThinkPad T Series. This battery contains 8 cells providing an output of 10.8V and can be recharged in 2 to 5 hours depending on the ThinkPad system usage. Spare system batteries can be swapped in to maximize unplugged system usage.The battery operates and recharges in the battery slot of the ThinkPad - it can be swapped out with the standard system battery to extend the unplugged usage time of the ThinkPad.