‌ Bathymeter ‌ is a kind of equipment used to measure the depth of water. It mainly calculates the water depth by sending ultrasonic waves and receiving the echoes, and collects the depth data of water in real time. It is widely used in reservoir, lake, river, shallow sea and other water depth measurement ‌

‌ Bathymeter ‌ special lithium battery: XL 14.8V 2600mAh

‌ depth sounder ‌ special lithium battery model: 18650 2600mAh 3.7V

Lithium battery power: 38.48Wh

Lithium battery cycle life: 500 times