This Dell UM8 battery Replaces:
This UM8 battery Fits The Following Dell Models:
Dell Inspiron 13R
Dell Inspiron 13R (3010-D330)
Dell Inspiron 13R (3010-D370HK)
Dell Inspiron 13R (3010-D370TW)
Dell Inspiron 13R (3010-D381)
Dell Inspiron 13R (3010-D430)
Dell Inspiron 13R (3010-D460HK)
Dell Inspiron 13R (3010-D460TW)
Dell Inspiron 13R (3010-D480)
Dell Inspiron 13R (3010-D520)
Dell Inspiron 13R (3010-D621)
Dell Inspiron 13R (Ins13RD-348)
Dell Inspiron 13R (Ins13RD-448)
Dell Inspiron 13R (Ins13RD-448LR)
Dell Inspiron 13R (T510431TW)
Dell Inspiron 13R (T510432TW)
Dell Inspiron 14R
Dell Inspiron 14R (4010-D330)
Dell Inspiron 14R (4010-D370HK)
Dell Inspiron 14R (4010-D370TW)
Dell Inspiron 14R (4010-D381)
Dell Inspiron 14R (4010-D382)
Dell Inspiron 14R (4010-D430)
Dell Inspiron 14R (4010-D460HK)
Dell Inspiron 14R (4010-D460TW)
Dell Inspiron 14R (4010-D480)
Dell Inspiron 14R (4010-D520)
Dell Inspiron 14R (Ins14RD-438)
Dell Inspiron 14R (Ins14RD-448B)
Dell Inspiron 14R (Ins14RD-458)
Dell Inspiron 14R (T510401TW)
Dell Inspiron 14R (T510402TW)
Dell Inspiron 14R (T510403TW)
Dell Inspiron 15R
Dell Inspiron N5030
Dell Inspiron 15R (5010-D330)
Dell Inspiron N5030D
Dell Inspiron 15R (5010-D370HK)
Dell Inspiron N5030R
Dell Inspiron 15R (5010-D382)
Dell Inspiron N5110
Dell Inspiron 15R (5010-D430)
Dell Inspiron N7010
Dell Inspiron 15R (5010-D460HK)
Dell Inspiron N7010D
Dell Inspiron 15R (5010-D480)
Dell Inspiron N7010R
Dell Inspiron 15R (5010-D481)
Dell Inspiron N7110
Dell Inspiron 15R (5010-D520)
Dell Inspiron13R (Ins13RD-438)
Dell Inspiron 15R (Ins15RD-458B) Vostro 1450
Dell Inspiron 15R (Ins15RD-488) Vostro 3450
Dell Inspiron 17R Vostro 3550
Dell Inspiron M411R Vostro 3750
Dell Inspiron M501
Dell Inspiron M5010
Dell Inspiron M5010D
Dell Inspiron M5010R
Dell Inspiron M501D
Dell Inspiron M501R
Dell Inspiron M5030
Dell Inspiron M5030D
Dell Inspiron M5030R
Dell Inspiron M511R
Dell Inspiron N3010
Dell Inspiron N3010D
Dell Inspiron N3010D-148
Dell Inspiron N3010D-168
Dell Inspiron N3010D-178
Dell Inspiron N3010D-248
Dell Inspiron N3010D-268
Dell Inspiron N3010R
Dell Inspiron N3110
Dell Inspiron N4010
Dell Inspiron N4010-148
Dell Inspiron N4010D
Dell Inspiron N4010D-158
Dell Inspiron N4010D-248
Dell Inspiron N4010D-258
Dell Inspiron N4010R
Dell Inspiron N4050
Dell Inspiron N4110
Dell Inspiron N5010
Dell Inspiron N5010D-148
Dell Inspiron N5010D-168
Dell Inspiron N5010D-258
Dell Inspiron N5010D-278
Dell Inspiron N5010R
Features of Our Dell UM8 replacement battery:
Each Dell UM8 replacement battery unit is made of high-quality lithium-ion cells for longer last time.
The battery is up to standard and fully compatible with original specifications.
All our batteries are certified by CE, UL, ROHS, ISO9001/9002 as safe products.
The interface metal and fixed insulator of the battery are made of good materials to ensure stable current input and durability.
Why Buy From batteryone.co?
-- Assured Quality
batteryone.co is dedicated to providing quality products to customers. The products must go through three standard quality control processes at our warehouse before they can be shipped.
-- 30 Days Money Back
All UM8 batteries are covered by 30 days warranty for the refund! If you are not satisfied with our battery, you can contact our customer service to request a refund.
-- 1 Year Warranty
We offer 12 months warranty on our all batteries! During this period, if your battery fails, we will replace your UM8 battery with a new one.
-- Fast Delivery Services
When we are sure that your order is without any problems, we will immediately arrange the appropriate courier for your order and ship within 1-2 business days!
-- Best Prices
Shop with us and expect to pay 20-50% less than any other site. If you do find a product for less on a competing website then tell us and we will resolve to match it.
-- Wide Product Range
batteryone.co has more than 100,000 batteries for laptops/notebooks. batteryone.co is always developing and adding products to its site to meet your demands.
-- Customer Service
At batteryone.co there is a large team of highly trained customer service experts ready to answer your questions. They can be reached through email, live chat. It doesn't matter which way you get in contact with batteryone.co, you will get a response within 24 hours.
Q: How to charge a new battery for Dell UM8 for the first time use?
A: New Dell UM8 battery pack is normally shipped in its partially charged condition. Please cycle your new UM8 battery pack by fully charge and discharge it for 3-5 times to allow it to reach its maximum rated capacity before use. (Note: it is perfectly normal for a battery to become warm to the touch during charging and discharging). New batteries are hard for your device to charge; they have never been fully charged and are therefore "unformed". Sometimes your device's charger will stop charging a new battery before it is fully charged. If this happens, simply remove the battery from your device and then re-insert it. The charge cycle should begin again. This may happen several times during your first battery charge. Don't worry; it's perfectly normal.
Q: The Dell UM8 battery has been installed several times, but laptop can't boot up?
A: Carefully check if interfaces of the computer and the battery are correctly connected. If the cause of loose contact is ruled out, please contact the after-sales customer service to ensure that the battery part number and laptop model are matched.
Q: How to store the Dell UM8 battery if you won’t use it for a long time?
1.It is not a feasible way for you either fully charge or fully discharge battery if long term storage. Security risks will generate if under a fully charged state, while both cells and control circuit protection lock will be deactivated if under a fully discharged state. So you’d be better store the Dell UM8 battery at a half fully charged state and keep it in a cool, dry place. 20 degrees Celsius is the optimum storage temperature.
2.Install and run Dell UM8 battery as often as possible(at least once a month) so as to ensure its availability and avoid power drain.
Q: How to extend the life of your Dell UM8 battery?
1.Please fully charge your laptop before using it for the first time. Because the Dell UM8 battery is normally shipped in a partially-charged state. Please cycle your battery pack by fully charge (more than 12hours) and discharge(less than 10%) for 3-5times to reach maximum rated capacity.
2.Please don’t discharge battery to 0%, which is the most common reason among faulty batteries. It will damage battery if the laptop usually works at a critical power level ( below 3%).
3.Charge the battery before it runs to 20%. It is scientifically justified that charging battery at 20% till 80% will extend battery life to the longest.
4.If your Dell UM8 battery won’t be used for a long time, please charge it once a month and keep battery power over 50%, remove it from your laptop and store it in an antistatic bag in a cool, dry place.
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