We promise to fix the problem within 24 hours. All compatible models are listed in the description., Laptop battery. Grade A cells - high-quality battery cells, and each battery has passed factory tests, they have the following protection devices: electromagnetic, overpower, temperature abnormal, lnimellugent protection, ovelectric core, overvoltage, overcurrent, overload, prevention of static electricity, overcharging, over-discharge protection. Smart Control Chip Built-in intelligent control chip conveniently provides faster charging, lower power consumption and longer discharge time., Laptop Battery Instructions: 1., Discharge the new battery to 5% (not 0%) and then charge it to 95% and perform 3-4 cycles., 2., Do not disassemble, crush or puncture. This may damage the battery., 5., When using the battery, care should be taken to protect it from contact and moisture. Replacement Battery For Latitude E5440 E5540 TravisLappy Battery For Dell Latitude E5440 E5540 VV0NF VV0NF M7T5F N5YH9 WGCW6 Long-life Laptop Battery Ctrl + F to find your models. Compatible part number with: Battery for Dell VV0NF,VVONF,N5YH9,VJXMC,0M7T5F,0K8HC,1N9C0,7W6K0,F49WX,NVWGM,CXF66,WGCW6,312-1351,451-BBID,451-BBID,451-B. You can open the back of your laptop to check the original battery model. Safety first Overheating protection Overcurrent protection Surge protection Overcharge protection Over-discharge protection Short circuit protection Please take out the old battery, press and hold the power switch for 20 seconds and then connect the new battery. Protect your laptop at all times. Quality assurance: All our laptop batteries are 100% new from the manufacturer. New Dell Latitude E440 E40 Nyh9 Original Laptop Battery For Dell... This removes the amount of residual or flea current, and once the laptop is reassembled, the battery will work properly again. Do not dispose of in fire or water., 3., If you remove the battery for a long time, charge more than 80% at least once within one month., 4., Do not connect the adapter for a long time while using the battery. Then search for the model on Amazon. Specifications: Battery type: Rechargeable Li-ion Cells: 6 cells Voltage: 11., 1 V Capacity: 49 Wh/4400 mAh Condition: 100% new from manufacturer Compatible with DELL Laptop BatteryPart Number:(You can press Ctrl+F to find the model you want) VV0NF VVONF N5YH9 VJXMC 0M7T5F 0K8HC 1N9C0 7W6K0 F49WX NVWGM CXF66 WGCW6 312-1351 451-BBID 451-BBIE 451-BBIF 3K7J7 9., 70 V9709T J2J TU211 Compatible with DELL Laptop Models: (You can press Ctrl+F to find the desired model) Dell Latitude 14, 15, 5000, E5440, E5540 VV0NF Battery For Dell Latitude E5440 E5540 Series If you have any problems, questions or concerns, please send us an email. 7XINbox 11.1V 65Wh VV0NF VVONF N5YH9 VJXMC 0M7T5F 0K8HC 1N9C0 7W6K0 F49WX NVWGM CXF66 WGCW6 Replacement Battery for Dell Latitude E5440 E5540 Purchase note: Not all compatible laptop models are listed here.
