This Dell 266J9 battery is compatible with a wide variety of Dell laptop models, including the Dell G3 15-3500, G3 15-3590, G5 15-3500, G7 15-7590 and many more listed below. It also replaces the Dell 2 66J9 and W5W19 battery part numbers.

This Dell 266J9 battery is rated 11.4 volts and 51 Whr and will normally last 5-7 hours on a full charge. For the Type B 15.2 Volt 68 Whr high-capacity version of this battery go to our Dell MV07R Type B 68 Whr battery.

Each Dell battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.

You can expect about 4 hours of run time with this Dell 266J9 battery when new, depending on your energy use.