| 5V outputs |
switchable / buck-boost |
switchable / boost |
| 5V Output current |
1.5A |
0.5 A |
| 3.3V outputs |
switchable / buck-boost |
switchable / linear |
| 3.3V Output current |
1A |
0.5 A |
| Protected Battery output |
yes |
no (connector missing tbd) |
| RTC |
yes |
yes |
| RTC Bypass |
yes |
yes |
| NTC (temperature) |
yes |
yes |
| External wakeup |
yes |
yes |
| Button wakeup |
yes |
yes |
| Charger |
switching buck |
linear |
| Charging current |
500mA |
500mA |
| Power path |
yes |
no |
| Telemetry |
yes |
no |
| Chemistry |
Li-Ion/LiPo (Available chip for LiFePo4) |
Li-Ion/LiPo |
| sleep current (tbc) |
?? uA |
9 uA |
| USB |
USB-C |
micro USB |
| USB-ESD protection |
yes |
no |
| Efficiency (to be measured) |
High |
Low |
| Max input Volt |
16 V |
8 V |
| Number of cells |
up to 3 |
1 |
| RGBW LED |
yes |
no |