In order to prolong the life of your CANON AV850 replacement battery please read the following:
Your CANON AV850 battery is charged during production in order to test it. Your CANON AV850 rechargeable battery will discharge between the end of the production and the moment you receive it. That is why your CANON AV850 battery will have to be charged before you use it. You can use your existing charger or an external charger this will optimize charging of your CANON AV850 battery and prolong the life of your camera power supply.
Your CANON AV850 rechargeable battery discharges slowly and progressively when not in use. The self discharge rate is about 1% of the battery's capacity per day at room temperature. The higher the temperature, the faster your AV850 battery will discharge. If you intend to leave your CANON AV850 battery for a prolonged period without use then a service charge is recommended from time to time, taking in to account the self discharge rate and time between using your CANON AV850 battery.
Rather than supplying original CANON AV850 batteries, we supply replacement AV850 batteries made by Uniross and Hahnel. Our AV850 batteries have a two year warranty, represent excellent value and meet or exceed the original specifications. We also offer free delivery on all our products including the AV850 battery.
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