Replacement Laptop Battery for HITACHI DR31 Battery Usage Tips :

1. Once you feel the power or the rotation decreasing,do not keep using the device, It is time to recharge the Laptop Battery for HITACHI DR31.
2. A new Laptop Battery for HITACHI DR31 pack must be fully charged before use and needs to befully charged and discharged (cycled) a few times before it can condition to full capacity.But do not overcharge,and never recharge a battery that is already fully charged.,because it may shorten the life of the Laptop Battery for HITACHI DR31 by causing cell leakage and over heating.
3. Rechargeable batteries undergo self-discharging when they were left unused. You should Always store a Laptop Battery for HITACHI DR31 pack in a fully charged stage for storage, and Fully drain and fully recharge your battery pack every few months.
4. .Don't short circuit terminal or store your battery pack with metal parts.Don't drop or mutilate the battery pack. Don't expose to moisture or water
5. .A Laptop Battery for HITACHI DR31 should aways stay cool. Try and keep all of your batteries as cool as possible, ideally charge them in a cool room or in the shade (between 10°C and 40°C is the recommended temperature range for charging).
6. When a battery is removed from a device it may need to sit and cool for a few minutes before going into a charger.
7. You'll get a better charge and longer battery life if it's charged in the recommended temperature range. Do not put them in fridges or alike to cool them before charging, this will cause condensation to form inside the battery case. Also when your Laptop Battery for HITACHI DR31 are not on charge or in your device store them in a cool place.
8. other tips as follows also can maximise the life of a battery:

• Turn down the LCD brightness of your portable device.
• Use built-in power management on your portable device.
• Turn off LCD or other unnecessary accessories when not in use.
• Set screen saver blank to 1 to 2 minutes of your notebook Add more RAM if you have an extra RAM expansion slot, it will reduce the usage of hard drive and it is powerful exhaustive.
• Close unused software in your notebook.
• Remove unused PC cards or USB devices from your notebook.

How can I maximize the performance of my Laptop Battery for HITACHI DR31?

There are several steps you can take to help you get maximum performance from your battery:

• Prevent the Memory Effect - Keep the battery healthy by fully charging and then fully discharging it at least once every two to three weeks. Exceptions to the rule are Li-Ion batteries which do not suffer from the memory effect.
• Keep the Batteries Clean - It's a good idea to clean dirty battery contacts with a cotton swab and alcohol. This helps maintain a good connection between the battery and the portable device.
• Exercise the Battery - Do not leave the battery 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.
• Battery Storage - If you don't plan on using the battery for a month or more, store it in a clean, dry, cool place away from heat and metal objects. Ni-Cd, Ni-MH and Li-ion batteries will self-discharge during storage; remember to recharge the batteries before use.
• Sealed Lead Acid - (SLA) batteries must be kept at full charge during storage. This is usually achieved by using special trickle chargers. If you do not have a trickle charger, do not attempt to store SLA batteries for more than three months.

The Do's and Don'ts of Battery Use

Battery Do's:

1. Fully charge/discharge battery up to 4 cycles before achieving full capacity of a new battery
2. Fully discharge and then fully charge the battery every two to three weeks for battery conditions.
3. Run the device under the battery's power until it shuts down or until you get a low battery warning. Then recharge the battery as instructed in the user's manual.
4. Remove from the device and stored in a cool, dry, clean place if the battery will not be in use for a month or longer,
5. Recharge the battery after a storage period
6. Ensure maximum performance of the battery by optimizing the device's power management features. Refer to the manual for further instructions.

Battery Don'ts:

• Do not short-circuit. A short-circuit may cause severe damage to the battery.
• Do not drop, hit or otherwise abuse the battery as this may result in the exposure of the cell contents, which are corrosive.
• Do not expose the battery to moisture or rain.
• Keep battery away from fire or other sources of extreme heat. Do not incinerate. Exposure of battery to extreme heat may result in an explosion.

It is normal to get warm when charging or normally using. If it is getting too hot, there may be a problem with the device and qualified personnel should check it.

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