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Running out of power at the wrong moment isn't just an inconvenience it can derail a workday, cut a camping trip short, or leave your home backup system scrambling. That's exactly the problem the BigBattery Raptor 2 Battery Capacity Meters are built to solve. Designed specifically for BigBattery's powerful RAPTOR 2 battery systems, this compact monitoring device gives you real-time visibility into your battery's charge and voltage levels right when you need it, every time.
Whether you're managing a solar-powered off-grid cabin, keeping the lights on during a home outage, rolling down the highway in a fully loaded RV, or running tools on a remote job site, knowing your battery state isn't a luxury it's a necessity. The RAPTOR 2 Capacity Meter puts that knowledge directly at your fingertips, in a form that's easy to read, simple to install, and tough enough to go wherever you go.Think of it as the fuel gauge your power system never shipped with except smarter, more precise, and built for the serious energy demands of modern portable power setups.
The bright LCD screen shows your remaining battery charge in real time. No more guessing or worrying about sudden power loss. One quick glance tells you exactly how much energy you have left to work with.
The built-in voltage display shows your battery's current voltage at all times. This helps you spot problems early, protect your battery from damage, and make sure everything is running at the right level.
The shielded connector blocks outside interference so your meter always gives you clean, reliable data. It holds a strong connection even in dusty, wet, or rough conditions where most connectors tend to fail.
Whether you use a 36V or 72V RAPTOR 2 battery, this meter fits all of them. You only need one device to monitor your entire setup, which saves you money and keeps things simple.
The clear, well-lit display is simple to read in any lighting indoors, outdoors, in bright sun, or low light. You get fast, clear information without straining your eyes or adjusting settings.
You do not need special tools or technical skills to install this meter. The simple design lets you get it connected fast, so you can focus on using your power system instead of figuring out the setup.
This meter is built with a compact, durable body that handles heat, vibration, and rough environments well. Whether you use it at home, in an RV, or on a job site, it is made to last.
BigBattery Raptor 2 Battery Capacity Meter Specifications
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| SKU | MTR106 |
| Cable Length | 4 ft (122 cm) |
| Weight | 2 lb (0.91 kg) |
| Compatible Models | FRPTR-36038-G2 & FRPTR-72076-G2 |
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