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I can across these batteries today and wondered if anyone had used these, or something similar for power their deployment altimeter.
ZNTER S19 9V 400mAh USB Rechargeable 9V Lipo Battery https://www.amazon.com/dp/B01M2Z442X/?tag=skimlinks_replacement-20
They are 400mAh LiPo batteries in a standard 9V form factor. They charge via USB with the charge controller embedded into the case. If it's capable of sourcing enough current to light ignitors, they could be a great addition to a rocketeers tool box.
ZNTER S19 9V 400mAh USB Rechargeable 9V Lipo Battery https://www.amazon.com/dp/B01M2Z442X/?tag=skimlinks_replacement-20
They are 400mAh LiPo batteries in a standard 9V form factor. They charge via USB with the charge controller embedded into the case. If it's capable of sourcing enough current to light ignitors, they could be a great addition to a rocketeers tool box.
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