FOXWELL BT630 600A Precision Smart Shunt, Bluetooth Battery Monitor for LiFePO4/Lithium, RV, Solar, Marine, Off-Grid, Track Volt, Amps, Watts, Capacity with Protection Alarms, Extend Battery Life, APP

Price: $129.99 - $103.99
(as of Feb 21, 2026 11:04:21 UTC – Details)

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4-IN-1 Battery Tool

Foxwell BT630 Battery Monitor

12/24V Battery Tester

Our Vision

Making battery monitoring simple, precise, and reliable. FOXWELL turns uncertainty into confidence, keeping every power system steady and under your control.

Our Mission

FOXWELL develops shunt-based battery monitors that deliver lab-grade accuracy for vehicles and energy storage, preventing failures through real-time current tracking

Our Value

1.Precision Redefined: ±0.4% current accuracy – the new battery monitoring benchmark.

2.Disaster Prevention: Spot current issues before they become costly failures.

3.Eco-Efficient: Extend battery life, cut waste – good for you and Earth.

In 2024, FOXWELL engineers witnessed a traveler stranded in the Alaskan aurora at an RV campsite—his solar system, capable of three days’ power, lay useless due to battery over-discharge. That night revealed our epiphany: true energy freedom begins with precise mastery over every milliamp. Thus began FOXWELL’s technological odyssey in precision energy management, guided by our “current microscope” philosophy.

🔋【Eliminate Battery Anxiety | Your Smartphone is the Command Center】Stop guessing your battery’s health! Whether in your RV, solar shed, or on your boat, the BT630 turns your phone into a remote command center. Get real-time peace of mind about your battery’s true state from anywhere via the Bluetooth app.
📊【Professional Dashboard | Live Data & 30-Day Trend Analysis】Connect via Bluetooth to see voltage, current, power, true state-of-charge (SOC%), and time remaining on a clear live dashboard. Uniquely track up to 30 days of historical voltage, current, and temperature trends to spot issues early and optimize your off-grid, RV, or marine system’s performance.
🛡️【Proactive Safety | Smart Alarms & Exclusive Protective Cover】Set custom alarms for voltage, current, SOC, and temperature with instant app notifications. Features a built-in temperature sensor and an exclusive protective safety cover that prevents accidental shock and short circuits—a critical safety advantage over exposed competitors.
⚡【Industrial-Grade Core | 600A High-Precision Smart Shunt】At its heart is a robust 600A/120V smart shunt with ±0.4% measurement precision, maintained through auto-calibration and manual calibration. The IP67 waterproof and heat-resistant housing ensures reliable, long-term operation in harsh engine bay or outdoor environments.
🔌【Ultra-Low Power & Universal Compatibility】Consumes only 0.4W, enabling long-term monitoring for seasonal RV storage, boats, or off-grid cabins without draining your battery. Universally compatible with LiFePO4, Lithium, AGM, Gel, and Flooded lead-acid batteries. Includes an RS-485 port for advanced integration into solar or energy management systems.
💰【Protect Your Investment & Extend Battery Life | Easy Setup】Prevent costly premature battery failure. By enabling optimal charge cycles, the BT630 helps extend battery life by 2-3x, paying for itself. Simple in-line installation on the battery negative terminal with clear guides. Add to Cart now for smart, worry-free power management.🔎For more details, tutorials, and Q&A, please refer to the content below.