Model Number:J1KND N4010 Use:LAPTOP, notebook battery Type:Standard Battery, Battery Pack, lithium, Rechargeable Battery Products Status:Stock Compatible Brand:For Dell Voltage:11.1V Capacity:48Wh 1. Our battery fits perfectly with your original battery, which is the same size as the original battery. 2. The battery has small self-discharge and low self-discharge rate. 3. The battery is more durable, the number of charge and discharge cycles of lithium battery is far more than 500; A-grade NMC battery to ensure longer battery life and durability. 4. The battery has strong adaptability to high and low temperature and has dual protection functions. Dual IC and PCB circuit boards protect charging and discharging and avoid short circuits Q. How to know more about your goods and company ? A. Welcome to contact us directly by message or Email, we will reply immediately. Q. How can we know your quality of products ? A. We only supply high quality goods base on reasonable price, you can test our samples in advance. Q. If you supply free samples ? A. Yes, free samples are available, but you need pay the shipping cost, we will reduce the samples'shipping cost when your first order are more than 5000USD. Q. Can you offer OEM/ODM service ? A. Yes, we have rich experience on print logo on the products. Q. What is the delivery time for your product? A. It depends on your order quantity, for sample order usually 1-3 days, for official order usually 7-10 days. Q. Which kinds of payment at your company ? A. L/C, T/T, Western Union, Paypal,Trade assurance and so on. 1. Please do not unplug the external power supply during the charging process. 2. Do not use the batteries not specially used for this machine at will. 3. If you are using the laptop for the first time, or you have not used it for a long time (three weeks or more), be sure to fully discharge the battery and then fully charge it to restore the battery to full power. 4. No matter whether the battery is installed in the computer or not, there will be a self-discharge phenomenon (about 1% a day is slightly different depending on the model). 5. If the computer is not used for a long time (more than three weeks), it is recommended that you unplug the battery and store the battery separately (the storage environment is described above). Compatible Part Numbers: 04YRJH 06P6PN 07XFJJ 312-0233 312-1205 383CW 451-11510 451-11948 J1KND WT2P4 Compatible Laptop/NoteBook Models: (use "ctrl+F" to find out your model quickly) For Dell Inspiron 13R series: N3010 N3110 For Dell Inspiron 14R series: N4010 N4011 N4110 N4040 N4050 For Dell Inspiron 15R series: N5010 N5011 N5110 N5020 N5030 N5040 N5050 M501 M5010 M5110 M5030 M5040 For Dell Inspiron 17R series: N7010 N7011 N7110