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My iTECHBM500 shows an empty battery icon despite being at a high voltageUpdated 3 months ago

This indicates either one or both voltage settings have not been set correctly. For lithium batteries, please ensure the HIGH V setting is at 13.5V and the LOW V setting is at 10.5V. Then, hold the UP arrow from the home screen for a few seconds. You should then see the battery icon fill up. 

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