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Added H4M

gullradriel
2025-03-10 09:25:52 +01:00
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First-steps.md

@@ -18,5 +18,8 @@ For most H2+ models, click the knob to power on, double-click the knob to power
## Charging
This version can charge the internal lipo battery via the USB. There is a led indicator that turns off when the charging is done, but it might flicker. On some models (H2+) there are 4 leds below the knob that represent the state of the battery charge: 25%, 50%, 75%, 100%. When charging, one will flash dependent on the current charge state of the battery. See more details [here](https://github.com/portapack-mayhem/mayhem-firmware/wiki/Powering-the-PortaPack).
## Charging indications on screen (H4M)
This version can charge the internal lipo battery via the USB. There is an on screen indicator of the level of charge. The icons can be a level on a battery, or a percentage.
## Battery life
An internal battery between 1000 and 2500 mAh should last for several hours of use, depending on use of apps. The standby consumption is [very low](https://github.com/eried/Research/blob/master/HackRF/PortaPack/h2_standby_consumption.jpg), around 52 µA, so you do not need to worry about having to remove/disconnect the battery in normal circumstances.