Ring Replacement Battery

Ring Battery Replacement
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Do you ever get frustrated that an item that **should** be cheap, isn't?

One example of this is the Ring brand of doorbells, indoor and outdoor security camera batteries. These are comprised of two 18650 batteries inside a custom casing with a charger and a few other sensors. Most likely temperature, over current and under current protection. Overall, they're very simple items.

The 18650 batteries should cost around $3-5 each for consumers, the charging circuit around $2-3 and the other sensors, LED's, and casing no more than $1-2. The entire battery can be built for around $10. That's at the consumer level. A larger company would cut this cost by a good margin.

So why are they being sold, in Australia, for [$50](https://www.jbhifi.com.au/products/ring-quick-release-battery-pack)? Profiteering. You get one battery with each device, and they take around 11-12 hours to fully charge. Not many people want to be without the protec