ROCKSOLAR RV Battery & Inverter Bundle – 4×12V 100Ah Lithium Batteries + 3000W Hardwire Pure Sine Wave Inverter

Everything you need to power your RV from batteries: 400Ah of lithium storage in four easy-to-fit batteries and a hardwire-ready 3000W pure sine wave inverter, in one package. Wire the inverter into your coach's 120V panel and run your fridge, microwave, coffee maker and electronics without a generator. No noise, no fuel, no fumes.

What's included

• 4 × 12V 100Ah deep-cycle lithium batteries (400Ah total, about 5 kWh of stored energy)
• 1 × ROCKSOLAR 3000W 12V Pure Sine Wave Inverter – Hardwire Output + 2 AC Outlets (CSA/UL certified)
• User documentation

Which bundle is right for you?

What 400Ah runs

Roughly 4 hours of total microwave use at 1,000W, or a typical RV fridge for about a day and a half, on a full charge. Actual runtime depends on your loads. Recharge from solar, your alternator (with a DC-DC charger) or shore power.

Inverter highlights

• 3000W continuous / 6000W surge, 120V AC pure sine wave
• Hardwire output to your RV or cabin panel, plus 2 AC outlets and a USB port
• Up to 94% efficiency, 15W idle draw
• Protection against low/over-voltage, overload, overheating and short circuit
• CSA/UL certified, 1-year warranty
• No built-in transfer switch: pair with an automatic transfer switch to switch between shore and battery power

Built for

RVs, fifth wheels, travel trailers, camper vans, overland vehicles, tiny homes, mobile workshops, boats and off-grid cabins.

FAQ

Can these batteries handle the full 3000W?
At full 3000W the inverter draws about 280A. Four batteries in parallel share that load. Check each battery's BMS current rating in the battery documentation before running sustained full-power loads.

What cable and fuse should I use?
For sustained use near 3000W, use 4/0 AWG cable between the battery bank and inverter, with a 350–400A Class T or ANL fuse close to the battery positive. Use equal-length cables when connecting the four batteries in parallel. We recommend a licensed electrician for the panel connection.

Can I add solar later?
Yes. Add panels and a charge controller to recharge the batteries from the sun.

• Shipping: Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days depending on your location.
• Returns: You may return or exchange products within 30 days of receiving your order. Items must be in original condition with proof of purchase.
• If your item is defective or damaged due to manufacturing issues, we’ll gladly replace it at no additional cost.