Help needed: what connector is used between the Modal AI PX4 battery and supplied charger?
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Hello Modal AI / Forum Team,
I recently purchased the PX4 Autonomy Developer Kit (Modal AI VOXL), including the battery and charger you supplied. However, I am unable to connect the charger to the battery — the plugs don’t seem to match.
Starling 2 Max GPS-denied Development Drone
Product Specifications The Starling 2 Max is VOXL 2-powered, NDAA-compliant development drone supercharged by VOXL SDK specifically designed for computer vision-based, long-range dead reckoning with a 500g payload capacity. Powered by Blue UAS Framework autopilot, VOXL 2, the Starling 2 Max weighs 500g and boasts an im
ModalAI, Inc. (www.modalai.com)
Battery provided by Modal AI: [GNB Power Li-ion 3000, 2S1P, 7.4V, 22.2 WH]
Charger provided by Modal AI.



Could you please help me with the following:
How do I connect the charger and battery?
Do I need an adapter or extra cable assembly/connector to mate the charger and battery? If so, what is that part name, and where can I obtain it?
Any photos of the intended connection (battery side, charger side) would help me verify what I have vs what is required.
I greatly appreciate your help, as I’m eager to get things up and running without damaging components.
Thanks in advance,
Mamun -
Hello Modal AI / Forum Team,
I recently purchased the PX4 Autonomy Developer Kit (Modal AI VOXL), including the battery and charger you supplied. However, I am unable to connect the charger to the battery — the plugs don’t seem to match.
Starling 2 Max GPS-denied Development Drone
Product Specifications The Starling 2 Max is VOXL 2-powered, NDAA-compliant development drone supercharged by VOXL SDK specifically designed for computer vision-based, long-range dead reckoning with a 500g payload capacity. Powered by Blue UAS Framework autopilot, VOXL 2, the Starling 2 Max weighs 500g and boasts an im
ModalAI, Inc. (www.modalai.com)
Battery provided by Modal AI: [GNB Power Li-ion 3000, 2S1P, 7.4V, 22.2 WH]
Charger provided by Modal AI.



Could you please help me with the following:
How do I connect the charger and battery?
Do I need an adapter or extra cable assembly/connector to mate the charger and battery? If so, what is that part name, and where can I obtain it?
Any photos of the intended connection (battery side, charger side) would help me verify what I have vs what is required.
I greatly appreciate your help, as I’m eager to get things up and running without damaging components.
Thanks in advance,
Mamun@mamuncanada That wall power is for powering the drone for desktop development, NOT for charging batteries. Do not attempt to do so.
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@mamuncanada That wall power is for powering the drone for desktop development, NOT for charging batteries. Do not attempt to do so.
@tom Thank you very much for your information.
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