Prototyping and Engineering Tips from Robogears
Always connect the battery starting from the "Negative" (Ground) pin on the checker to ensure correct reading.
Use this module during flight testing to identify weak cells that may be sagging under load.
For long-term storage, use this checker to ensure your packs are balanced at storage voltage (approx. 3.8V per cell).
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Disclaimer
Product images are for illustrative purposes only and may vary from the actual product due to manufacturer changes. Please verify connections before use to avoid short circuits.