DELL 93FTF Original Laptop Battery for Precision 15 3520 3530 Latitude E5280 E5480 E5580 E5490 E5590 E5480 E5290 E5591 E5491

100% Brand new, Grade A cells battery; 

Quality assurance; every battery has passed factory testing; 500+ recharge cycles over

For Optimal battery Use:

Please install the battery correctly and ensure that the battery interface and the motherboard are firmly connected. Use Skills - If the new battery is not recognized during the initial installation, please reinstall and check if the interface is fully connected.

If you install the battery and the laptop cannot detect the battery or the battery level cannot be displayed normally, check whether the battery cable was installed properly.

Discharge the new battery to 5% (not 0%), then charge and cycle 3-4 times to get the new battery a full capacity.

The important point is to perform a full discharge charge every other month to extend battery life.

Don't connect adapter for a long time while using the battery. It may damage the battery.

Avoid artificial shocks, disassembly, crush or puncture. Do not dispose of in fire or water.

Avoid using the battery in an environment where the temperature is too high or too low.

Please use the original charger to charge the laptop. 

Connector - Before placing your order, Please refer to the picture and check it. Because the products produced by different factories will have differences, such as size, cable length, interface, etc.