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Estimated between Oct 07, 2026 and Oct 09, 2026 Ships within 1-3 business day after payment clears. | SHOP Track Order | Ourlum Orders | Track Orders
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Grade A cells deliver steady daily power. Heavy steel casing blocks road shock and heat. Smart Bluetooth sharing tracks your energy reserves.
You get robust mobile power built for active lifestyles. The reinforced metal shell shields internals from impact and environment. Tightened internal brackets lock heavy cells during motion. An independent switch cuts output cleanly without sparking. Bluetooth connectivity streams live voltage and state of charge. Built-in protection circuits block harmful electrical faults instantly.
This is a 12-volt deep-cycle storage unit engineered for remote and moving installations. You bolt the integrated feet directly to floor platforms. No extra enclosures clutter your workspace. You command your energy supply anywhere you park or travel.
Zero terminal watering saves your time and effort. Rapid recharge cycles refill gaps between charging sessions. Minimal self-discharge preserves capacity through seasonal idle months. Silent operation replaces loud fuel generators completely.
One complete 12V 400Ah battery assembly wired and tested for immediate deployment.
Anchor the base feet firmly to your structural surface. Connect main leads to your inverter or charge controller. Flip the isolation lever to energize the system. Access the companion app to pair wirelessly and read live gauges.
You retire unreliable lead-acid replacements that fade fast. Clean power feeds lights, coolers, and work equipment without sagging. Cold-weather logic protects cell integrity when outdoor mercury drops. You see exact reserve levels instead of guessing remaining runtime.
You mount this unit inside campers for weekend excursions. You integrate it with photovoltaic arrays for cabin independence. You use it as auxiliary house power for flatbed transport. You deploy it to run radio equipment during emergency prep.
You select this battery if you demand consistent output and rugged construction. Overlanders navigating gravel roads trust the vibration dampening. Sailors needing sealed house banks appreciate the leak-proof design. Remote homeowners cut utility reliance while expanding backup options.
Can I charge this battery in freezing temperatures?
The integrated BMS blocks incoming current below safe thresholds to preserve cell health.
Does the metal case require extra insulation?
Strategic internal spacing and safety switches remove the need for additional protective housing.
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At OurLum.com, we don’t just promise quality—we guarantee it. Every product is carefully selected and tested to meet real-life needs, and your satisfaction is 100% backed by our no-hassle return policy. If it doesn’t work for you, we’ll make it right—fast. Shop confidently knowing you're getting trusted products, secure checkout, and real support when you need it. Because at OurLum, your peace of mind comes first