Batteries lose their charge over time. Thankfully, there is a simple solution to your battery draining problems and that is a solar battery tender.

Check out the Deltran Battery Tender Plus, a must have for everyone - European Car Magazine ...

If your CMOS battery is dead or you just want to reset your BIOS, the hardest step is usually just finding the battery! The rest is simple—just pull it out and pop a new one in. CMOS batteries ...