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PowerMax PM3-45 Power Supply, AC to DC Converter 110/120 VAC to DC 0-12 Volt 45Amp, Battery Charger with 3 Stage Smart Charging Mode, Built-in Cooling Fan and LED Indicator Light, Lithium Compatible
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 18, 2026 11:18 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Oceanside RV Supply
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓HIGH QUALITY PRODUCT This PowerMax PM3 Power Supply Converter can boasts a 45-amp power capacity and it's a three-stage converter and charger that not only supplies power for your DC electronics, but it also charges your RV battery.
✓BEST FEATURES This power supply converter has a total dimensions measure 11"x8.5"x4.2 and this features adjustable power supply modes that allow you to customize your power supply. This also features super quiet operation because it is built with one of the quietest fans in the industry.
✓SAFE TO USE This converter/charger will not boil the battery. It has Intelligent way to charge and maintain your RV battery and is very easy to install so it’s a free hassle to use. 3-stage charging system built-in dramatically increases battery life for a long last usage.
✓NO NEED TO REWIRE With no need to re-wire, installation is only 10 minutes! It has automatic three-stage converter handles every charging need for the RV while extending the battery’s life. Well- maintained batteries should never need more than two-stage (normal and trickle) charging.
✓CONSTANT AND STABLE Power supply mode provides stable power to maintain system voltage for use in a wide variety of applications. Provides a constant clean power supply for using scan tools and reprogramming of ECMs without discharging battery.
⚙️ Specifications
Brand
PowerMax
Color
Metallic
Output Voltage
12 volts_of_direct_current
Specification Met
UL
Input Voltage
110 volts_of_alternating_current
Current Rating
45 A
Amperage
45 A
Compatible Devices
Cameras
Connector Type Used on Cable
Barrel Connector
Number of Ports
1
