Powermate · Portable generator · SKU P0080201
PM4500 COsense 49ST
Manual-start gasoline backup with COsense protection
Infographic gallery
The deciding numbers, made visual.
4,500 starting watts
Size steady loads against running watts and the largest motor startup against starting watts.
Gasoline
19 hr at 25% load
3,600W run
4,500W start
Fuel tank
5 gal
105 lb
Product weight
26.3 × 22.9 × 21.5 in
L × W × H
- Current Powermate price
- $409.00
- List price
- $499.00
- Warranty
- 3-year limited residential / 90-day commercial
Starting
PowerDial manual recoil
Power quality
Not published by Powermate
Voltage
120V AC
CO shutdown
Yes · COsense
49-state / not available for sale in California
Product image gallery
Views tied to the exact model family.
Manufacturer and retailer-published imagery shows the enclosure or frame, control panel, outlets, engine, transport hardware, and model features.
Complete specifications
Every useful field, grouped for comparison.
Power, fuel, runtime, engine, connection, dimension, weight, price, availability, and warranty fields come from Powermate’s current listings and manufacturer materials. Unpublished noise or power-quality figures are labeled rather than estimated.
Product overview
A 49-state gasoline generator with a Generac 224cc engine, COsense carbon-monoxide protection, PowerDial recoil starting, five-gallon tank, and transport wheels.
Electrical output by fuel
- Gasoline
- 3,600W running / 4,500W starting
- Voltage / frequency
- 120V AC / 60 Hz
- Rated amperage
- 30A
- Power quality
- Not published by Powermate
Engine, fuel & runtime
- Engine
- Generac single-cylinder OHV, 224 cc
- Starting system
- PowerDial manual recoil
- Fuel tank
- 5 gal
- Gasoline runtime at 25%
- 19 hr
- Gasoline runtime at 50%
- 14 hr
- Sound rating
- Not published by Powermate
Connections, size & ownership
- Outlets
- (4) 120V 20A GFCI receptacles; (1) 120V 30A L5-30R twist-lock
- Dimensions
- 26.3 × 22.9 × 21.5 in
- Product weight
- 105 lb
- Shipping weight
- 116 lb
- Carbon-monoxide shutdown
- Yes — COsense
- CARB / state availability
- 49-state / not available for sale in California
- Warranty
- 3-year limited residential / 90-day commercial
- Powermate SKU
- P0080201
Feature details
COsense protection
COsense monitors carbon-monoxide buildup and can stop the engine when hazardous conditions are detected.
Simple starting controls
PowerDial combines off, run, and choke settings into one clearly labeled control.
Long-runtime fuel system
5 gal capacity supports 19 hr operation at quarter load on gasoline.
Transport-ready frame
A steel frame, folding handle, and never-flat wheels support outdoor transport and storage.
Best-fit uses
- Home essentials
- Outdoor projects
- Tailgating and events
- Light jobsite power
Standout features
- COsense shutdown
- 19-hour quarter-load runtime
- Five covered outlets
- Eight-inch wheels
Match it to the equipment you’ll actually run.
Use the independent wattage calculator before buying.