Big Battery Aims 2000 Watt Pure Sine Inverter Charger with Transfer Switch - INV004
Currently building a power system of your own? Or maybe you’re a veteran homesteader looking to expand the 12V system you have. No matter where you are on the path to energy independence, we’ve got the components to keep you moving forward. With this 2000W, Pure Sine Inverter & Charger from AIMS Power®, your solar-powered home, off-grid homestead, solar-equipped RV or camper van, commercial UPS system, mobile power setup, or backup UPS will be operating at peak efficiency, and ensuring your power is readily available when or wherever you need it.
This cutting-edge dual inverter-charger boasts a 300% surge capability, automatic frequency detection, power factor correction, adjustable multi-stage battery charger, and built-in AC transfer switch, guaranteeing incredibly low transfer times. When paired with a lithium battery bank, this automatic transfer switch creates seamless transitions between grid, solar, and battery input priorities and serves as an essential component for any emergency or backup power system looking to serve as a truly uninterrupted power supply. This inverter also comes equipped with an integrated low-frequency transformer. This heavy-duty transformer greatly reduces the levels of harmonic distortion during the conversion process, resulting in a cleaner, more efficient delivery of power to the rest of your system, increasing overall system reliability and efficiency, and creating a significantly quieter operating experience.
With robust features, setting selectability, and extensive protections, the AIMS Power® 2kW Inverter & Charger is one of the safest, most reliable, most versatile, and most essential inclusions for any energy enthusiast looking to set up or upgrade their power system!
What our Experts Think
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High‑current 24 V lithium charging — Delivers up to 30 A output, meaning faster and more efficient charging for 24 V LiFePO₄ battery banks compared with lower‑amp chargers.
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Weatherproof IP65 design — Dust‑tight and water‑resistant housing makes it rugged enough for outdoor, off‑grid, marine, or vehicle installations without worry.
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Stable, reliable power delivery — Engineered to maintain consistent, clean output, protecting sensitive lithium battery cells and extending battery life.
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Simple installation & use — Plug‑and‑play setup with clear connections makes it easy for DIYers and professionals alike.
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Built‑for versatility — Works well with a variety of 24 V lithium systems, making it a solid choice for solar, RV, boat, or backup power chargers.
Q&A
Q: What is the BigBattery 24 V 110 V AC 30 A IP65 Weatherproof Lithium Charger (29.2 V DC) — PWS014?
A: A heavy-duty, weather-resistant 24 V lithium battery charger that delivers up to 30 A at 29.2 V DC from a standard 110 V AC outlet — ideal for charging compatible 24 V LiFePO₄ battery banks.
Q: What environments is it designed for?
A: IP65 weatherproof rating allows safe use outdoors or in dusty, wet, or rugged conditions.
Q: What are its power and connection specifications?
A: Input: 110 V AC; Output: 29.2 V DC at up to 30 A; high efficiency (~93%); Anderson-style connector for quick battery hookup.
Q: Which batteries is this charger compatible with?
A: Specifically designed for 24 V lithium battery systems requiring a 29.2 V charging profile.
Q: What are the main benefits?
A: Fast and efficient 30 A charging, rugged IP65 all-weather design, compact and portable, and easy plug-and-play connection — suitable for off-grid setups, RVs, trailers, and outdoor battery stations.
Q: Is it suitable for outdoor and mobile applications?
A: Yes — weather-resistant build and Anderson connector make it ideal for garages, workshops, trailers, RVs, and other outdoor battery charging setups.
Q: What safety features are included?
A: Over-current, over-voltage, over-temperature, and short-circuit protection to ensure safe charging and prolong battery life.
Maintenance Tips
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Install the charger in a dry, well-ventilated area to maintain optimal 24V charging performance and prevent overheating.
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Inspect cables and connectors regularly for wear, corrosion, or looseness to ensure safe and stable operation.
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Clean the exterior with a soft, dry cloth; avoid water or solvents despite the IP65 rating.
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Avoid exposure to direct sunlight, extreme temperatures, or prolonged moisture to extend charger lifespan.
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Disconnect the charger when not in use for extended periods to protect internal components.
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Ensure the charger is used with compatible lithium batteries to maintain efficiency and prevent damage.
