In order to prolong the life of your Pentax D-L12 replacement battery please read the following:

Your Pentax D-L12 battery is charged during production in order to test it. Your Pentax D-L12 rechargeable battery will discharge between the end of the production and the moment you receive it. That is why your Pentax D-L12 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 Pentax D-L12 battery and prolong the life of your camera power supply.

Your Pentax D-L12 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 D-L12 battery will discharge. If you intend to leave your Pentax D-L12 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 Pentax D-L12 battery.

Rather than supplying original Pentax D-L12 batteries, we supply replacement D-L12 batteries made by Uniross and Hahnel. Our D-L12 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 D-L12 battery.