PowerMax PM4 100A front view demonstrates rugged build for off-grid power.
PowerMax PM4 100A rear view highlights safety features and connections.
PowerMax PM4 100A mounted installation illustrates quick RV upgrades.
PowerMax PM4 100A control panel emphasizes user-friendly operation.
PowerMax PM4 100A wiring connectors show safe, easy system integration.
PowerMax PM4 100A charging system highlights multi-stage battery care.
PowerMax PM4 100A off-grid setup demonstrates reliable DC power.
PowerMax PM4 100A RV use-case depicts steady 12V power for essentials.
PowerMax PM4 100A boat use-case illustrates consistent lighting and trolling power.
PowerMax PM4 100A front view demonstrates rugged build for off-grid power.
PowerMax PM4 100A rear view highlights safety features and connections.
PowerMax PM4 100A mounted installation illustrates quick RV upgrades.
PowerMax PM4 100A control panel emphasizes user-friendly operation.
PowerMax PM4 100A wiring connectors show safe, easy system integration.
PowerMax PM4 100A charging system highlights multi-stage battery care.
PowerMax PM4 100A off-grid setup demonstrates reliable DC power.
PowerMax PM4 100A RV use-case depicts steady 12V power for essentials.
PowerMax PM4 100A boat use-case illustrates consistent lighting and trolling power.

PowerMax PM4 100A Power Converter | 110V AC to 12V DC | 4-Stage Smart Battery Charger | RV, Boat & Off-Grid

PowerMax PM4 100A Power Converter — Reliable 12V DC power from 110V AC for RVs, boats, and...
Vendor: PowerMax
Availability: In stock
£241.29
£241.29
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PowerMax PM4 100A front view demonstrates rugged build for off-grid power.

PowerMax PM4 100A Power Converter | 110V AC to 12V DC | 4-Stage Smart Battery Charger | RV, Boat & Off-Grid

£241.29
PowerMax PM4 100A front view demonstrates rugged build for off-grid power.
PowerMax PM4 100A rear view highlights safety features and connections.
PowerMax PM4 100A mounted installation illustrates quick RV upgrades.
PowerMax PM4 100A control panel emphasizes user-friendly operation.
PowerMax PM4 100A wiring connectors show safe, easy system integration.
PowerMax PM4 100A charging system highlights multi-stage battery care.
PowerMax PM4 100A off-grid setup demonstrates reliable DC power.
PowerMax PM4 100A RV use-case depicts steady 12V power for essentials.
PowerMax PM4 100A boat use-case illustrates consistent lighting and trolling power.

PowerMax PM4 100A Power Converter | 110V AC to 12V DC | 4-Stage Smart Battery Charger | RV, Boat & Off-Grid

£241.29
Description
Description
x

PowerMax PM4 100A Power Converter — Reliable 12V DC power from 110V AC for RVs, boats, and off‑grid living

When you’re away from shore power, clean, consistent DC power matters. The PowerMax PM4 100A converts standard 110V AC into a robust 12V DC supply, delivering strong current for high-demand devices such as trailer lighting, water pumps, and onboard electronics. In real-world use, you’ll notice lights that stay steady, pumps that start reliably, and electronics that feel responsive rather than dim or glitchy.

Beyond raw power, the PM4 100A is built with smart charging and protective features to help keep your battery system healthy. Its intelligent charging approach includes Bulk, Absorption, and Float phases, and its safety protections guard against reverse polarity, overload, and overheating. This combination supports consistent performance while helping to extend battery life in variable conditions.

Key capabilities

  • Heavy-duty 100A DC output supports large RV appliances, trolling motors, and bright LED lighting
  • Versatile across RVs, boats, solar setups, home backups, and off-grid cabins
  • Built-in reverse polarity, overload, and thermal protections for safer operation
  • Smart multi-stage charging helps maintain battery health and maximize runtime
  • Simple, quick installation with no rewiring needed; mount, connect, and power up
  • Compatible with parallel or series expansions for larger power needs

Real-life uses and benefits

  • Power essential devices during road trips or marina stops, with reliable DC power on tap
  • Keep lights, pumps, and communications equipment running in remote locations
  • Complement solar systems and battery banks for steady off-grid performance
  • Upgrade an existing setup without complex rewiring; DIY-friendly installation

Notes on expectations: Power solutions from PM4 deliver reliable, stable output under typical loads, but results depend on overall system sizing, wiring, and battery health. The PM4 is designed to support everyday power tasks and backup scenarios with a clear focus on safety and efficiency.

FAQ

Q: What devices can the PowerMax PM4 100A power converter support?

A: It supplies 12V DC power from 110V AC to run RV, marine, and off-grid essentials with smart charging.

Q: Is installation quick and simple without rewiring?

A: Yes. The unit mounts easily and connects to your power source with minimal setup, often in about 10 minutes.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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