LENOGE 6-Cell Laptop Battery Compatible for Dell Latitude E6400 PT434 Latitude E6400 Atg Latitude E6500 Precision M2400 M4400 PT435 PT436 PT437 KY265 KY266 KY268 KY477 sliver Battery Type:li-ion; Voltage:11.1V; Capacity:5200mAh; Cells: 6 Samsung Cells Compatible P/N: Dell T54FJ P8TC7 P9TJ0 R48V3 PRRRF RU485 T54F3 UJ499 YKF0M X57F1 04NW9 312-1163 312-1242 312-1310 312-1311 451-11947 8858X 8P3YX 911MD HCJWT KJ321 M5Y0X NHXVW Compatible Models: DELL Latitude E5420 E5430 E5520 E5530 E6520 E6530 E5430 E5530 6530 E6420 E6420 ATG Series Products are tested by manufacturer to match OEM products,Genuine grade A Samsung cells ensure fast charges and low power consumption, high quality materials.Shielding electromagnetic wave radiation.the core security components imported chips,with over charge, discharge, over current and short circuit multiple protection. CE-/FCC-/RoHS-Certified for safety, Operation time ranges from 4-5 hours,the actual operation time will depend on how much electricity is required by the device and how you use it.24 x 7 email support.30 days refund guarantee.18-month hassle-free warranty. High speed charging Output overcurrent protection Temperature protection Output overvoltage protection Current protection Hardware overcurrent protection Current overcharge protection Fast charge Low power comsuption Real Capacity More than 500 times Recycle Long life runtime Premium Components Impact tested Vibration tested Extreme Temp Tested -40to 150F Lenoge Brand Perfect Interface Persistent Durable E6420 6 cellbattery Product instruction