Baiway 8-80V 500A Battery Coulometer Tx21 – Precision Battery Monitoring Redefined

High-Precision Bluetooth Monitoring
Professional-grade coulometer with ±0.5% accuracy, real-time tracking for voltage (8-80V), current (0-500A), and capacity (0-9999Ah). Bluetooth 4.0 enables wireless data logging via iOS/Android apps.
Robust Industrial-Grade Build
Heavy-duty aluminum alloy casing with IP65 waterproof rating, heat-resistant PCB, and reinforced shunt for stable 500A high-current measurements.
Multi-Battery Compatibility
Ideal for lithium/LiFePO4/lead-acid batteries in RVs, solar systems, marine applications, and electric vehicles. Supports customizable alarms for overcharge/discharge protection.
Clear OLED Display & Data Logging
Bright 1.3-inch OLED shows SOC, voltage, and temp. Stores 30 days of usage history for performance analysis.
Plug-and-Play Installation
Includes 500A shunt, mounting hardware, and anti-interference shielded cables for quick setup.
Bulk Order Advantage
Direct factory pricing with wholesale discounts for resellers and fleet operators. Global shipping with DDP support.