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When your power system is the backbone of your home, RV, or off-grid setup, guesswork is not an option. The BigBattery 350A Battery Capacity Meter gives you clear, accurate insight into your battery performance so you always know exactly where you stand.
Whether you are managing backup power during outages, running appliances on the road, or maintaining an off-grid energy system, this meter helps you make smarter decisions with confidence.
Designed for reliability and simplicity, this advanced battery capacity meter displays critical information like voltage, current, remaining capacity, and State of Charge in real time. That means no more second-guessing your battery levels or worrying about unexpected shutdowns. Instead, you get a complete picture of your power system at a glance.
Built with precision components and engineered for long-term use, this meter includes a pure copper shunt, shielded wiring, and a durable, water-resistant design. It is made to perform in real-world conditions, from rugged outdoor setups to demanding mobile worksites. Installation is straightforward, so you can integrate it into your system quickly and start monitoring right away.
Compared to basic battery indicators or LED gauges that only provide rough estimates, the BigBattery 350A Battery Capacity Meter delivers detailed, accurate data you can trust. It bridges the gap between simple monitoring and professional-grade system awareness, making it an essential upgrade for anyone serious about power reliability.
This meter uses advanced sensing technology to measure charge and discharge currents with high accuracy. You get dependable data that helps prevent overuse, extend battery life, and maintain system efficiency across all applications.
The easy-to-read LCD screen shows voltage, current, remaining capacity, and State of Charge in one place. This allows you to quickly assess your system status without complicated tools or guesswork.
Built to handle demanding conditions, this meter features a rugged construction that resists moisture and wear. It is ideal for outdoor installations, RV setups, and mobile work environments where durability matters.
The included low-resistance copper shunt ensures accurate current tracking with minimal energy loss. This component improves overall measurement stability and supports consistent performance over time.
Shielded cables reduce electrical interference, ensuring precise readings even in complex systems. This is especially important for setups with multiple components or high power loads.
This meter can store testing data, allowing you to review trends and monitor long-term battery health. It helps you identify issues early and optimize your system for better efficiency.
BigBattery 350A Battery Capacity Meter Specifications
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|---|---|
| Working Voltage | 8 – 120V |
| Working Dissipation | 10 – 12 mA |
| Standby Dissipation | 0.5 – 0.6 mA |
| Sleep Dissipation | 50 – 60 µA |
| Voltage Accuracy | ±1% |
| Current Accuracy | ±1% |
| Capacity Accuracy | ±1% |
| Preset Capacity Value | 0.1 – 999Ah |
| Sampler Current | 350A (500A Peak) |
| Temperature Range | 14°F – 140°F (-10°C – 60°C) |
| Weight | 0.9 lbs (410 g) |
| Height | 2.32 in (59 mm) |
| Width | 2.32 in (59 mm) |
| Depth | 0.78 in (20 mm) |
| Cable Length | 13.1 ft (4 m) |
Yes! Outbound Power is an Authorized Dealer for every single brand and product on our store.
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Most products are processed within 1-3 business days. If there is a delay in processing your order, we will alert you with as much information as possible about what to expect.
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