The replacement battery for this generator is 12V 6.5 Ah. It should measure 5.5" long x 2.5" wide x 4" high. The manufacturer offers part #DMXP-BAT-1.
DuroMax Dual Fuel Generator with CO Alert, 5500 Surge Watts, 4500 Rated Watts, Electric Start, Model# XP5500HX

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- DuroMax 210cc engine
- All-new control center with a digital multimeter, USB outlets and a front-facing fuel interface
- DuroMax exclusive MX2 switch harnesses the generator's full power by combining the two 16 Amp, 120 Volt circuits into one powerhouse 32 Amp circuit
- Digital multimeter displays voltage, frequency, total hours run and hours until the recommended maintenance
- Fully loaded power panel outlets include: (2) 120V GFCI household with circuit breakers, (1) 120/240V 30 Amp twist-lock and (2) USB ports
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Description
Key Specs
Reviews
Q & A
Warranty
Compare
Product Summary
What's Included
- (1) Portable dual fuel generator (1) Wheel kit (1) Propane regulator (1) Spark plug wrench (1) Oil funnel

Features + Benefits
- DuroMax 210cc engine
- All-new control center with a digital multimeter, USB outlets and a front-facing fuel interface
- DuroMax exclusive MX2 switch harnesses the generator's full power by combining the two 16 Amp, 120 Volt circuits into one powerhouse 32 Amp circuit
- Digital multimeter displays voltage, frequency, total hours run and hours until the recommended maintenance
- Fully loaded power panel outlets include: (2) 120V GFCI household with circuit breakers, (1) 120/240V 30 Amp twist-lock and (2) USB ports
- Oversized noise reducing muffler with a built-in spark arrestor
Key Specs
| Attribute | Specification |
|---|---|
item# | 107530 |
Brand | DuroMax |
Manufacturer's Warranty | 3 year limited warranty |
Ship Weight | 131.0 LB |
Surge Watts | 5,500 |
Rated Watts | 4,500 |
Fuel Type | Dual Fuel - Natural Gas and Propane |
Voltage | 120/240 |
Max. Amps | 37 |
Engine Displacement | 210 cc |
Engine Brand | DuroMax |
Engine Model | XP5500HX |
Noise Level | 69 dB |
Enclosure Material | Metal |
Start Type | Electric and Recoil |
| Attribute | Specification |
|---|---|
Fuel Capacity | 4 Gal |
Half-Load Run Time | 8.92 hr |
Number of Outlets | 5 |
Outlet Type | (2) 120v GFCI Household With Circuit Breakers, (1) 120/240v 30 Amp Twist-lock and (2) USB Ports |
Battery Required | Yes |
Battery Included | Yes |
Rated Watts LP | 4,275 |
Surge Watts LP | 5,225 |
Auto Shutdown | Yes |
Overload Protection | Yes |
Low Oil Shutdown | Yes |
CARB Compliant | Yes |
Product Weight | 128.0000 lb |
Dimensions L x W x H (in.) | 25.0 x 23.0 x 22.0 in |
Reviews
Questions & Answers
Questions
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· a year ago
my battery is dead and will not accept a charge. what replacement do i need?
1 answer-
ProductExpert12· a year ago
Helpful?
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· 2 years ago
Does it include a pull start, in case the electric start fails?
1 answer-
ProductExpert6· 2 years ago
The generator would have a recoil backup.
Helpful?
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· 4 years ago
Is the power from this generator clean enough to run computers, LCD TVs and such. I know the USB ports would be OK, what I am worried about are the 120v outlets....say with an extension cord and a PC, Monitor, and WiFi gear plugged in.
1 answer-
ProductExpert31· 4 years ago
This model has a Total Harmonic Distortion level (THD) of 10-12% under load, the range allowable for sensitive electronics is 5% or under. Please see generator item# 750133, for a dual fuel model that would work.
Helpful?
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· 4 years ago
how long does this run on a 20lb propane tank
1 answer-
ProductExpert10· 4 years ago
The run time on a 20-lb propane tank at 50% load is 7.63 hours.
Helpful?
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· 5 years ago
Does this include the LP hose and regulator kit? If so how long?
1 answer-
ProductExpert12· 5 years ago
This generator does include a propane regulator, but it does not include a hose.
Helpful?
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Warranty
Manufacturer's Warranty
3 year limited warranty
Extend Your Warranty Coverage with a Northern Protection Plan (NPP)
Repair Plan — 1 Year
A Northern Protection Plan is available after adding the product to your shopping cart.
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Item # 107530
Shipping: Sold Out
Item # 48974
$4545.99Shipping:
Free shipping (lower 48 states) - Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Out of stock at Fredericksburg VA
- $779.00Reg $849.00Save $70.00
Order today to get this price.
Shipping:
Free shipping (lower 48 states) - Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Not available - online only
- $5999.00
Shipping:
Backordered: Order now to reserve yours -
Estimated to ship 07/09/26Heavy/large item. Lift gate service available.
Store Pickup:
Not available - online only
Specifications
5,500
5,500
8,125
10,000
4,500
5,000
6,500
9,000
Dual Fuel - Natural Gas and Propane
Diesel
Gasoline
Gasoline
120/240
120/240
120/240
120/240
37
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210 cc
435 cc
389 cc
688 cc
DuroMax
Yanmar
Generac
Honda
XP5500HX
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69 dB
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72 dB
Metal
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Electric and Recoil
Electric
Recoil
Electric and Recoil
4 Gal
12 Gal
6.9 Gal
8.1 Gal
8.92 hr
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5 hr
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5
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5
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(2) 120v GFCI Household With Circuit Breakers, (1) 120/240v 30 Amp Twist-lock and (2) USB Ports
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(4) 120v 20a 5-20r Gfci, (1) 120/240v 30a L14-30r
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Yes
Yes
No
Yes
Yes
No
-
Yes
4,275
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5,225
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Yes
-
-
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Yes
-
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Yes
Yes
Yes
Yes
Yes
-
No
Yes
128.0000 lb
lb
176.5000 lb
403.0000 lb
25.0 x 23.0 x 22.0 in
33.0 x 22.5 x 25.0 in
27.25 x 27.0 x in
56.0 x 26.75 x 35.12 in



