This product is a high-precision current collection type battery energy meter (also known as a coulomb meter), which can accurately detect real-time parameters such as voltage, current, power, true capacity, and remaining usage time of the battery pack, allowing you to understand the working status of the battery at any time.<br> Outdoor power supplies, emergency power supplies, energy storage power supplies, measuring equipment, medical equipment, various inst ents and meters that can be used for battery powered devices.<br> Although the price of TC147 coulomb meter is slightly higher than some ordinary power monitors, its high precision, versatility, wide applicability, and convenient installation and user experience make it a cost-effective power monitoring device. One investment, long-term benefits, making your battery usage more efficient, safe, and reliable.<br> Features:<br> Support custom low capacity alarm values<br> Support zero capacity/full capacity voltage setting<br> Support brightness adjustment function (automatic/manual)<br> Support shutdown voltage setting<br> Specification:<br> Maximum current resolution: 1mA (0.001A)<br> Applicable voltage range: 6-60V<br> Display screen: 320 x 172 pixel high color gamut<br> Working power consumption: 180~260mW<br> Sleep power consumption: 5.0~50mW<br> Applicable range of current: CS30:0-30A<br> Capacity detection range: 0.1-1000Ah<br> Color: Gray<br> Material: ABS<br> Please note: Product upgrade, delivery does not include the blue rubber on the copper nose<br> Package Contents:<br> 1 x High Precision Coulomb Counter<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.