Coulomb Counter 8–120V Bi-Directional Battery Capacity Meter with Voltage, Current & Ah Display for Lithium & Lead-Acid Batteries

The Coulomb Counter 8–120V is a smart, all-in-one battery meter designed to help you easily track your battery’s performance. It works with a wide range of batteries — including lithium, lead-acid, and LiFePO₄ — and supports up to 120V and 500A, making it perfect for solar systems, EVs, RVs, and DIY power setups. The bright digital display shows real-time voltage, current, capacity (Ah), and charge/discharge percentage, so you always know your battery’s exact status.

With measurement accuracy and bi-directional current detection, it precisely monitors both charging and discharging, giving you complete control over your system’s health.
Built with low power consumption and a durable, splash-proof design, it’s reliable even in demanding environments.

Whether for personal or professional use, this meter ensures your power systems stay efficient, safe, and long-lasting.

Specifications:-

Working voltage:- 8-120V DC
Working power consumption:- 5mA
Sleep power consumption:- 0.5mA
Measuring voltage:- 8-120V DC
Measuring capacity:- 0-999Ah
Voltage accuracy:- ±1%
Current accuracy:- ±1%
Capacity accuracy:- ±1%
Environment temperature:- -10 to 60℃
USB Cable Length:- 1m