Compatible Model Numbers: Clevo N751WU, W840AU, W840SN, W840SU, W840SU-T
Compatible Part Numbers: 6-87-W840S-4DL1, 6-87-W840S-4DL2, W840BAT-4
Follow the notice below, Better using your W840BAT-4 Battery
Storage
- Store your W840BAT-4 Battery in a clean, dry,
cool place away from heat and metal objects. The W840BAT-4 batteries will self-discharge during storage; remember stored at about
40% state-of-charge.
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
Exercise
Your W840BAT-4 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.
Calibrate
Your batteries - If your Battery's 76% even less in work , you must
fully charge, fully discharge, and then fully recharge the Battery pack. Consider removing the W840BAT-4 battery from a laptop when running on fixed power
Do not short-circuit. A short-circuit may cause severe damage to the battery.
Avoid
propping your laptop on a pillow, blanket, or other soft surface that
can heat up. Your W840BAT-4 battery is a lot less efficient when not
within its standard operating temperature range.
Attention:
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 W840BAT-4 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 W840BAT-4 Battery useful life.