- New SONY NP-FM90, NP-FM91, NP-QM90, camcorder battery are shipped in a discharged condition and must be charged before use. We generally recommend an overnight charge (approximately twelve hours). Refer to the user's manual for charging instructions. Rechargeable SONY NP-FM90, NP-FM91, NP-QM90, camcorder battery should be cycled - fully charged and then fully discharged - two to four times initially to allow them to reach their full capacity.
- Try to avoid frequent full discharging of the SONY NP-FM90, NP-FM91, NP-QM90, camcorder battery.
- It is normal to get warm when charging or normal use the cheap SONY NP-FM90, NP-FM91, NP-QM90, camcorder battery. If it is getting too hot, there may be a problem with the device and qualified personnel should check it.
- If you don't plan on using the replacement SONY NP-FM90, NP-FM91, NP-QM90, NP-QM91 camcorder battery for a month or more, we recommend storing it in a clean, dry, cool place away from heat and metal objects.
- To get maximum performance from the SONY NP-FM90, NP-FM91, NP-QM90, camcorder battery, fully optimize the notebooks power management features prior to use. Power management is a trade off: better power conservation in exchange for lesser computer performance. The power management system conserves battery power by setting the processor to run at a slower speed, dimming the screen, spinning down the hard drive when it's not in use and causing the machine to go into sleep mode when inactive. The notebook users guide will provide information relating to specific power management features.
- Use rechargeable lithium SONY NP-FM90, NP-FM91, NP-QM90, NP-QM91 battery. Battery charge is very important, first purchased new replacement NP-FM90, NP-FM91, NP-QM90, NP-QM91 camcorder battery commonly electricity is very low or no electricity, first charging must enough. Lithium battery charge time generally more than 8 hours, while Ni-MH batteries charging time in general to more than 16 hours. And in order to achieve the best effect, make the battery has reached its maximum power, charging and discharging over 3 times. The NP-FM90, NP-FM91, NP-QM90, NP-QM91 camcorder battery pack in the use of three times, had better put all the electricity charge again completely. try not to charge the battery has remaining power, otherwise will shorten the battery life. After charging the battery, stay it cooling then to use.
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- Lithium NP-FM90, NP-FM91, NP-QM90, NP-QM91 camcorder battery users, should keep the camera positive and negative contact points of the battery compartment clean, if necessary, wipe gently with a dry cloth. then install the NP-FM90, NP-FM91, NP-QM90, NP-QM91 camcorder battery.
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