Prioritize Part Numbers: Always search using the screen's exact part number. (e.g., N156HRA-EA1, LM156FL201, LP156WFG(SP)(F2)). Adhesive Double Side Tape - Pair: Included. Compare: Carefully compare connector pins, connector size, and refresh rate.
eBay
The first Dell is an N5050, it has 2GB of RAM. The second Dell is the 3520 and has 4GB of ram. There is also only 1 set of screws to share between the Dell 2 and the Dell 3. Lastly, Dell 3 is the N5050 as well (no ram).
eBay
BATTERY Type J1KND 4YRJH / 04YRJH 11.1V 48Wh. J1KND, 04YRJH, FMHC10, TKV2V, YXVK2, J4XDH, 9TCXN. Inspiron 14R N4010, Inspiron 14R N4010D, Inspiron 14R N4010D-158. Inspiron 15R N5010, Inspiron 15R N5010D-148, Inspiron 15R N5010D-168.
eBay
I tested the battery by running a Batman walkthrough on you tube. In balanced mode the battery lasted just over 5 hours. Of course, other actives maybe more or less draining on the battery.
eBay
Inspiron 15 3520. 16GB (2X8GB) DDR4. These are Dell Outlet Broker systems, bought with no warranty. Pictures are for reference only and not of actual product. AC Adapter Included. Battery Capacity. SD-card slot, USB 2.0 port, Headset port, HDMI 1.4 port, 2 x USB 3.2 Gen 1 port.
eBay
Inspiron 15 3520. 16GB (2X8GB) 2666MHz DDR4 SoDIMM Non-ECC. These are Dell Outlet Broker systems, bought with no warranty. Pictures are for reference only and not of actual product. AC Adapter Included.
eBay
BATTERY Type G91J0 / 927N5 / MGCM5 3-CELL 11.25V 41Wh. NEW GENUINE DELL INSPIRON 15 3515 3511 3520 5410 2-in-1 BATTERY. Inspiron 5410 2-in-1. Inspiron 5410 N. Vostro 5410 V. Inspiron 7415 2-in-1. Inspiron 5418 N.
eBay
Notebook manufacturers use different types of screens when assembling a single model of laptop. LCD Glass:Glossy/ Reflective Surface. Type:Laptop Screen. Screen Size:15.6". This norm dictates an acceptable 2-5 dead pixel.
eBay