When the battery will no longer hold a charge. The guys at the parts store can check it for you.
You replace the batteries.
CR2 batteries are actually pretty easy to replace. You can find them online from several different stores. I know that eBay has a wide selection of them.
Yes,because AA batteries are also a source of electricity and a source of battery can replace LR 6 battery..:))
When you purchased your cellphone it should have came with a manual that gives you the information on how to replace the cellphone battery in your cellphone, if not, then contacting your mobile phone provider will be your best option.
Yes, you can typically replace NiCd batteries with NiMH batteries in solar lights as long as the voltage and size of the batteries are compatible. NiMH batteries are a more environmentally friendly option and may provide better performance in some cases.
yes
first you find the batteries... then you take them out... next get refreshed batteries... then put them in...
Remove the batteries and hold down the number 2 when you replace the batteries. The remote goes into safe mode if the Off button is held when you replace the batteries.
Well they run on batteries so they kind of last forever if you replace the batteries.
which way up do you replace ohsen watch battery
Replace the batteries.
Install new batteries if you suspect they are low. You will then know for sure.