7.4V ~ 22.2V lithium battery precision voltmeter


 Features & Specifiications:* Mini shape, no larger than a common key
* Compact, easy to carry
* Use for 1-6s(3.7V-22.2V) Lipo/Li-ion/LiMn/Li-Fe
* Voltage detection precision: ±0.01V
* Unit voltage display range: 0.50-4.49V
* Total Voltage display Range: 0.50-25.9V
* 1S test mode voltage range: 3.3-13.2V
* 1S test mode detection precision: ±0.5%
* Low voltage Buzzer alarm mode for 2-6S
* When voltage <3.3V, it will buzzer with red LED light * Really usefull in flight if you can't see the lights    Package weight: 6g

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