Dell 7CJRC KNM09 Latitude 12 E7270 E7470 laptop battery

Dell 7CJRC KNM09 Latitude 12 E7270 E7470 laptop battery

Dell 7CJRC KNM09 Latitude 12 E7270 E7470 laptop battery

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  • Views(Previous Week): 3421
  • Product Code: KNM09
  • Availability: In Stock
55 Products Sold (Previous Week)
  • AU$67.19
  • Ex Tax: AU$67.19

Dell 7CJRC KNM09 Latitude 12 E7270 E7470 laptop battery

Colour: Black
Type: Li-ion
Voltage:  11.4V
Capacity: 42Wh
Warranty: 1 Year

Compatible Model Numbers:

Latitude 12 E7270, Latitude 12 E7470

Compatible Part Numbers:


Follow the notice below, Better using your Dell KNM09 Laptop Battery

  1. Storage - Store your KNM09 Laptop Battery in a clean, dry, cool place away from heat and metal objects. The Dell KNM09 batteries will self-discharge during storage; remember stored at about 40% state-of-charge.
  2. Charge and discharge - For lithium ion batteries, you do not need to discharge them fully and recharge constantly. You need to do a full discharge only about every 30 charges. Do not charged to higher voltages than its threshold voltage
  3. Exercise Your KNM09 Battery - Do not leave your batteries dormant for long periods of time. We recommend using the battery at least once every two to three weeks. If a battery has not been used for a long period of time, perform the new battery break in procedure described above.
  4. Calibrate Your batteries - If your Battery's 76% even less in work , you must fully charge, fully discharge, and then fully recharge the Laptop Battery pack.
    Consider removing the KNM09 battery from a laptop when running on fixed power
  5. Do not short-circuit. A short-circuit may cause severe damage to the battery.
  6. Avoid propping your laptop on a pillow, blanket, or other soft surface that can heat up. Your KNM09 battery is a lot less efficient when not within its standard operating temperature range.


  • If the capacity is low in current,CPU will be in electricity-saving model and battery can not be charged.In this case,take off the battery and fit on to rouse the CPU. The KNM09 battery can be charged then.
  • Remove the battery when don't use if for long time,or the currency will be lost and the cell will be damaged.
  • Recharge the battery as the circle more than once per month to make the management of capacity reach its best status, and prolong Dell  KNM09 Laptop Battery useful life.


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Tags: latitude, KNM09