Replacement DELL 451-11947 Laptop Battery UJ499 rechargeable 7800mAh Black In Singapore S$66.37

Fit Machine Model:

Dell:

[Dell Precision M2800 ] E5430, E5520, E5530, E6420, E6520, E6530, Ins14RD-2528, Ins14TD-3628, Ins14TD-3728, Ins15TD-2728, Inspiron 14R 4420, INSPIRON 14R 5420, [ Inspiron 14R 5425 Battery ], Inspiron 14R 7420, Inspiron 14R N5420, Inspiron 14R N7420, Inspiron 14R SE 4420, Inspiron 14R SE 5420, Inspiron 14R SE 7420, Inspiron 14R TURBO, Inspiron 15R 4520, Inspiron 15R 5520, Inspiron 15R 5520 SPECIAL EDITION, Inspiron 15R 5525, INSPIRON 15R 7520, Inspiron 15R N5520, Inspiron 15R N7520, Inspiron 15R SE 4520, Inspiron 15R SE 5520, Inspiron 15R SE 7520, Inspiron 15R TURBO, Inspiron 17R 4720, Inspiron 17R N5720, Inspiron 17R N7720, Inspiron 17R SE 4720, Inspiron 17R SE 5720, Inspiron 17R TURBO, Inspiron 4420, Inspiron 4520, Inspiron 4720, Inspiron 5420, Inspiron 5425, Inspiron 5520, Inspiron 5525, [ Inspiron 5720 Battery ], Inspiron 7420, Inspiron 7520, Inspiron 7720, Inspiron 7720 3239, Inspiron M421R, Inspiron M521R, Inspiron N4420, Inspiron N4520, Inspiron N4720, Inspiron N5420, Inspiron N5520, Inspiron N5720, [ Inspiron N7420 Battery ], Inspiron N7520, Inspiron N7720, Latitude E5420, Latitude E5420 ATG, Latitude E5420 Series, [ Latitude E5420m Battery ], Latitude E5430, Latitude E5520, Latitude E5520 BRC, Latitude E5520 Series, Latitude E5520m, Latitude E5530, Latitude E6420, Latitude E6420 ATG, Latitude E6420 ATG Series, Latitude E6420 ATG Series(All), Latitude E6420 Series, Latitude E6420 Series(All), Latitude E6420 XFR, Latitude E6430, Latitude E6430 ATG, Latitude E6430 ATG Series, Latitude E6430 Series, Latitude E6430 XFR, Latitude E6440, Latitude E6520, Latitude E6520 Series, Latitude E6530, Latitude E6530 Series, Latitude E6540, Precision M2800, Vostro 3360 Series, Vostro 3460, Vostro 3460 Series, Vostro 3560.

How to extend the life of the laptop battery:

• 1. When using the laptop battery for the first time, charge it for 12 hours to fully activate the battery.
• 2. Maintaining the power of lithium-ion battery at 10%-90% is beneficial to protect the battery.
• 3. When plugged in for a long time, set it to over 80% before recharging, or enable the battery charging protection scheme that comes with the computer.
• 4. Unnecessary software, usb hardware, etc. can be turned off when using the battery.
• 5. Pay attention to the working environment of the battery, keep good ventilation and heat dissipation.
• 6. Calibrate the battery once every 3-4 months.
• 7. Ensure that the notebook computer has a stable voltage, and try to avoid connecting the notebook power adapter and high-power electrical appliances (such as air conditioners, refrigerators, washing machines) to the same power outlet.
• 8. Use the original adapter to charge.