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Not free for life. The energy is stored in a battery which needs to be replaced every few years. The batteries aren't cheap either.
by aleem 13y ago
Not free for life. The energy is stored in a battery which needs to be replaced every few years. The batteries aren't cheap either.
- lostlogin 13y agoFrom personal experience, they last well. Until at 10 years old, in pretty much perfect health according to the installer and maintainer, the house sitter runs them completely flat. Then continues to use them each time they charge 1%, flattening them again and again. Then they are no longer any good. That was a $10-20k NZ exercise