Refs. | Year | Required voltage (V) | Current (A) | Energy (Wh) | Power (W) |
|---|
[31] | 1999 | 3.6 | – | – | – |
[32] | 2004 | 6–12 | 29 × 10−2 | 0.223 | 1.75 |
[21] | 2008 | 1.5 | – | – | – |
[33] | 2010 | 3.7 | 63.858 × 10−3 | 0.266 | 0.24 |
[35] | 2016 | 3–12 | 15 × 10−3 | – | 0.5 |
[41] | 2019 | 5 | 16 × 10−2 | 192 | 0.8 |
