User Manual
Page 8
When the operation time becomes noticeably shorter than normal, buy a new battery. Always try to prolong the lifetime of times, but it in a humid, wet or corrosive environment. Please recycle when possible. Do not pierce, ...
When the operation time becomes noticeably shorter than normal, buy a new battery. Always try to prolong the lifetime of times, but it in a humid, wet or corrosive environment. Please recycle when possible. Do not pierce, ...