Price range: $159.00 through $299.00
PowerMax PM3-SME Smart Adjustable 12V Battery Charger & Power Converter with Meter
Upgrade your power system with the PM3-SME Series—where smart charging meets reliable performance.
Features
- Adjustable output voltage: 13V–16V
- 3 Charging Options: Fixed, 2-Stage, 3-Stage Smart
- LCD screen shows real-time output
- Quiet, temperature-controlled fan
- Short-circuit & overload protection
- Compact, mountable design
- Runs on standard 120VAC input
- Maintenance-free operation
- Available from 15A to 120A models
- 2-Year Limited Warranty
Manuals & Spec Sheets
PowerMax PM3-SME Smart Adjustable 12V Battery Charger & Power Converter with Meter
The PowerMax PM3-SME Series is a premium 12V battery charger and power converter engineered for RVs, boats, and industrial systems. Offering adjustable voltage (13V–16V), the PM3-SME ensures compatibility with a wide range of battery types, including AGM, Gel, Flooded, and Lithium (when recommended by the manufacturer).
Choose between Fixed Voltage Mode, 2-Stage Charging, or 3-Stage Smart Charging to match your application. The built-in LCD voltage display allows for instant monitoring, while the automatic cooling fan ensures quiet, efficient operation.
Whether you’re looking for a dependable RV power converter, a marine battery charger, or an industrial-grade 12V power supply, the PM3-SME is built for performance and longevity.
Key Benefits
- Adjustable output voltage for custom applications
- Multi-mode charging for fast, safe, and efficient battery care
- Compact, mountable chassis designed for RV, marine, and off-grid power systems
- Built-in safety: current limiting, overload, and short-circuit protection
- Trusted by RVers, boaters, and professionals across industries.
Technical Specifications
- Input Voltage: 120VAC
- Output Voltage Range: Adjustable 13.0V – 16.0V
- Charging Modes: Fixed, 2-Stage, 3-Stage Smart Charging
- Models Available: 15A, 35A, 45A, 55A, 60A, 65A, 75A, 100A, 120A
- Cooling: Quiet, temperature-controlled fan
- Weight: 6 lbs.
- Safety: Built-in overload & short-circuit protection
- Warranty: 2-Year Limited Warranty
Why Choose the PM3-SME Series?
- Extend battery life with intelligent multi-stage charging.
- Power sensitive electronics safely with a stable DC output.
- Flexible voltage adjustments for specialty applications.
- Reliable, compact, and field-tested design for RV, marine, and industrial use.
| Model | Output Current | Adjustable Voltage Range | Charging Modes | Dimensions (Approx.) | Weight | Ideal For |
| PM3-15-SME | 15A | 13.0V – 16.0V | Fixed / 2-Stage / 3-Stage | 9″ x 6″ x 3.5″ | ~4 lbs. | Small RVs, lighting circuits, light-duty marine |
| PM3-35-SME | 35A | 13.0V – 16.0V | Fixed / 2-Stage / 3-Stage | 9″ x 6″ x 3.5″ | ~5 lbs. | Mid-size RVs, travel trailers, and electronics |
| PM3-45-SME | 45A | 13.0V – 16.0V | Fixed / 2-Stage / 3-Stage | 9″ x 6″ x 3.5″ | ~6 lbs. | RVs with multiple appliances, boats |
| PM3-55-SME | 55A | 13.0V – 16.0V | Fixed / 2-Stage / 3-Stage | 10″ x 7″ x 3.5″ | ~7 lbs. | Larger campers, small marine setups |
| PM3-60-SME | 60A | 13.0V – 16.0V | Fixed / 2-Stage / 3-Stage | 10″ x 7″ x 3.5″ | ~7 lbs. | Medium RVs, off-grid solar backup |
| PM3-65-SME | 65A | 13.0V – 16.0V | Fixed / 2-Stage / 3-Stage | 10″ x 7″ x 3.5″ | ~7 lbs. | High-demand RV systems |
| PM3-75-SME | 75A | 13.0V – 16.0V | Fixed / 2-Stage / 3-Stage | 11″ x 8″ x 4″ | ~8 lbs. | RVs with residential-style appliances |
| PM3-100-SME | 100A | 13.0V – 16.0V | Fixed / 2-Stage / 3-Stage | 13″ x 9″ x 4.5″ | ~9 lbs. | Marine vessels, off-grid cabins, utility vehicles |
| PM3-120-SME | 120A | 13.0V – 16.0V | Fixed / 2-Stage / 3-Stage | 13″ x 9″ x 4.5″ | ~10 lbs. | Heavy-duty RVs, large boats, backup power systems |
How to Use This Chart:
- Pick your model based on amp rating — higher amps = more supported devices & faster charging.
- All models include the same core features: adjustable output voltage, smart charging modes, LCD display, safety protection, and temperature-controlled fan.
- Weight and dimensions scale slightly as amp capacity increases.
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