Replace your worn-out battery with a new Panasonic ToughBookCF-VZSU41U replacement battery.

We use superior Samsung battery technology inside the battery cells and cartridge which provide longer run times between charges as well as a longer service life than cheaper batteries. Lithium-ion batteries are not subject to the memory effect common with older battery technology. This means you can recharge your laptop any time without diminishing your battery capacity.

Each Panasonic ToughBook CF-VZSU41U battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 1 year warranty.

You can expect about 2 hours to 2.5 hours of run time with this computer battery when new, depending on your energy use. This battery replaces the Panasonic ToughBook Y4.

Replaces this Panasonic laptop battery part number:

Laptop Battery Express only deals with brand new premium computer batteries. We never carry recycled or used batteries. We only use the highest quality cells inside the battery pack so you will have a long service life (300-500 recharge cycles). We do not use cheaper battery cells which can wear out in a little as 6 months. Our inventory turns rapidly and you will always receive a freshly manufactured battery.