4 ms·
They have some sort of battery that powers the lights. I wonder if the dock also charges those?
by doublesocket 3y ago
They have some sort of battery that powers the lights. I wonder if the dock also charges those?
- chedabob 3y agoThey're powered by a dynamo, so probably only have the tiniest of batteries or capacitors necessary to keep the low-power lights on when not moving.