Meshtastic T1000-E bug report says battery drains while powered off
A T1000-E can shed about half its battery after two weeks powered off, turning a card tracker into a dead unit when you grab it.
A SenseCAP Card Tracker T1000-E is under a fresh battery-drain complaint after a Meshtastic bug report said the card-style tracker can fall to about 50 percent charge after sitting powered off for roughly two weeks, even after a full charge. The report was opened June 26, tagged bug and needs-logs, and filed under Hardware Compatibility for the Seeed Card Tracker T1000-E.
The reporter says the device behaves normally while it is in use, then repeats the same pattern after shutdown and shelf storage. That is what makes the drop so hard to shrug off as normal self-discharge: the same user says a Wio Tracker L1 treated the same way still showed about 99 percent battery after the same idle stretch. In other words, the T1000-E loss looks dramatic enough to be obvious when the unit is picked up again after a long break.
That is the part T1000-E owners need to take seriously right now. The tracker is built for the kind of off-grid, low-maintenance use Meshtastic people actually depend on, whether it lives in a bag, glove box, emergency kit, or a vehicle that sits for days at a time. Seeed describes it as a card-sized, IP65-rated tracker with a rechargeable 700mAh battery. Meshtastic’s hardware page lists a Semtech LR1110 radio, Nordic nRF52840 MCU, and Mediatek AG3335 GPS module, and it says a long press signals shutdown after five seconds. If a unit is still draining hard after that, “off” starts to mean something a lot less useful in the field.
The issue also fits a broader pattern around T1000-E power-state quirks. An earlier GitHub issue said a unit auto powered on about 20 seconds after shutdown, and a maintainer comment said that behavior had been fixed in another issue and was only available in alpha firmware at the time. Seeed’s October 31, 2024 FAQ and debugging post said its battery discharge test found the T1000-E battery performing as expected, while also saying it would improve the battery discharge curve report.
For now, the June 26 ticket is still a triage item, not a closed diagnosis. Until there is a root cause or a proven workaround, the safe move is simple: check T1000-E units before they go back into storage, and do not assume a powered-off tracker will still be ready when you pull it back out.
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