1S 18650 Li-Po Lithium Battery Capacity Indicator
$2.95
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Working voltage: 3-34V, working current: 5mA, working temperature: -20-50℃ Using Method: connect display board positive and negative port with tested battery positive and negative port, digital tube will display real-time battery electricity quantity. Note: This model is not waterproof, the electronic components should be used in a dry environment. Wide application fields: lithium battery)
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