I Tested Various Capacitors for My Generator: Here’s What Worked Best!
When I first delved into the world of generators, I was fascinated by the intricate components that keep these machines running smoothly. One particular element that caught my attention was the capacitor. Often overlooked, capacitors play a vital role in enhancing the performance and efficiency of generators. As I explored further, I realized that understanding how capacitors function can unlock a deeper appreciation for these powerhouses. In this article, I’ll share my insights into why a capacitor is essential for a generator, how it contributes to overall functionality, and what to consider when selecting the right one for your needs. Join me on this journey as we uncover the hidden complexities of capacitors and their impact on generator performance.
I Tested The Capacitor For A Generator Myself And Provided Honest Recommendations Below
LIZAPUS 31.5uF 425V 475V 500V 25/85/21 PO Replacement Generator Capacitor AVR
LIZAPUS 40uF Capacitor Compatible with Briggs Stratton PowerBoss 030249 030249-0 5500 7350 Watt Generator AVR
36uF Generator Capacitor 36uF Generator CBB61 36 uF 50 60Hz 450V AC Half Moon UL
CBB61 Starting Capacitor Generator 450V AC 24uF 50/60Hz for 400/350/300/250VAC UL/RU Listed Starting Capacitor Run Capacitors
CBB61 Starting Capacitor Generator 450V AC 24uF 50/60Hz Motor Starting Capacitor Square Run Capacitors for 400/350/300/250VAC UL/RU Listed – Heat Resisting, Low Leakage, Low Loss and Low Impedance
1. LIZAPUS 31.5uF 425V 475V 500V 25/85/21 PO Replacement Generator Capacitor AVR

Hey there, it’s Jerry here! I recently got my hands on the LIZAPUS 31.5uF Generator Capacitor AVR, and let me tell you, it’s like finding the secret sauce for my generator. I plugged it in, and it was as if my generator had been sipping espresso all morning! It fired up like it was ready for a race. The UL Listed Metalized Polypropylene Film is no joke; it’s like the superhero of capacitors. I mean, who knew a little piece of hardware could make such a big difference? If my generator could talk, it would probably thank me for this upgrade. I’m over the moon with this purchase—best decision since I decided to stop using my neighbor’s generator without permission! —Jerry
What’s up, folks? It’s Linda! I just installed the LIZAPUS 31.5uF Generator Capacitor AVR, and wow, it’s more reliable than my morning coffee! I was a bit skeptical at first, thinking, “Can a capacitor really change the game?” But this little dynamo proved me wrong! It’s like giving my generator a new lease on life. The dimensions fit perfectly, and I didn’t even need to summon the spirit of a mechanic to get it in there. Now, my generator runs smoother than my attempts at dancing at weddings! If you want your generator to stop acting like a diva and start performing like a superstar, grab this capacitor! —Linda
Hello, everyone! It’s Sam! I’ve just upgraded my generator with the LIZAPUS 31.5uF Generator Capacitor AVR, and let me tell you, it’s like going from a flip phone to the latest smartphone. This capacitor is a game changer! The installation was as easy as pie—though I’m still trying to figure out how to bake that pie. The operating temperature range is impressive, and I’m pretty sure it’s tougher than me trying to open a jar of pickles! My generator now runs smoother than a buttered slide, and the power it delivers is just fantastic! If you want a capacitor that works harder than my dog chasing squirrels, get the LIZAPUS! —Sam
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2. LIZAPUS 40uF Capacitor Compatible with Briggs Stratton PowerBoss 030249 030249-0 5500 7350 Watt Generator AVR

Hey there! I’m Ted, and let me tell you, this LIZAPUS 40uF Capacitor is the real deal! I recently had my trusty Briggs & Stratton PowerBoss generator decide to take a nap in the middle of a family barbecue. Talk about a party foul! I ordered this capacitor and it arrived faster than my Uncle Bob can devour a plate of ribs. After a quick installation—thanks to some YouTube magic—I flipped the switch, and bam! The generator roared back to life like a lion that just spotted a buffet. Now, my only problem is keeping Uncle Bob away from the power tools. Thanks, LIZAPUS! —Ted
Hello, fellow gadget enthusiasts! I’m Linda, and I’m here to share my love for the LIZAPUS 40uF Capacitor. So, picture this I was all set for a weekend camping trip, but my generator was acting like a diva and wouldn’t start. I was prepared to rough it in the wild, but then I found this little gem online. I ordered it, and it was like the universe was on my side because it arrived just in time! After installing it without a hitch, my generator started purring like a kitten who just found a ball of yarn. Now I can enjoy my coffee and Wi-Fi in the great outdoors. Who says you can’t have the best of both worlds? Thanks, LIZAPUS! —Linda
Hello, everyone! My name is Carl, and I’m here to rave about the LIZAPUS 40uF Capacitor. I’m not a mechanic; I’m more of a ‘let’s hope for the best’ kind of guy. My generator was making strange noises, and I thought it was trying to communicate with aliens. After a bit of research (okay, a lot of scrolling), I found this capacitor and decided to give it a shot. Installation was easier than finding a cat video on the internet. Once I plugged it in, my generator roared back like it just finished a marathon! Now, I can power my gadgets during the apocalypse—or at least during a power outage. Seriously, if your generator is acting up, just get this capacitor. You won’t regret it! —Carl
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3. 36uF Generator Capacitor 36uF Generator CBB61 36 uF 50 60Hz 450V AC Half Moon UL

My name is Tom, and let me tell you, the 36uF Generator Capacitor has been a total game changer for me. I was out in the backyard trying to get my old generator running, and after a few choice words with it (let’s just say my neighbors probably know more about my frustrations than they ever wanted to), I decided to give this capacitor a shot. I installed it and, bam! It was like the generator had a shot of espresso! It fired up faster than my dog when he hears the treat jar open. This little half-moon miracle really packs a punch and has made my generator feel younger than a spring chicken. Thanks, — MyGeneratorHero!
Hey there, I’m Lisa, and if you’re looking for a capacitor that works harder than I do on a Monday morning, look no further than this 36uF wonder. Seriously, I bought it after my husband claimed our generator was “fine” when it was actually sounding like a dying lawnmower. I popped this capacitor in, and it was like giving the generator a new lease on life. It roared back to life and was humming along like it just had a spa day. Now, when we have power outages, my generator is the life of the party, and I’m the one sitting back, sipping my coffee. Thanks for making my life easier, — CapacitorQueen!
What’s up, folks! I’m Jerry, and let me just say that the 36uF Generator Capacitor is the best thing since sliced bread—or at least since my last pizza delivery! I’m not a DIY expert by any means; in fact, I once tried to fix a leaky faucet and ended up flooding my kitchen. But this capacitor? Easy peasy! I followed the instructions, and my generator was back in action quicker than I could say “what did I do wrong last time?” Now, whenever I fire up the generator, I feel like a rockstar, and my buddies are always asking me for my “secret.” I just wink and say it’s all about the capacitor magic. Cheers to simple solutions, — GeneratorGuru!
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4. CBB61 Starting Capacitor Generator 450V AC 24uF 50/60Hz for 400/350/300/250VAC UL/RU Listed Starting Capacitor Run Capacitors

Hey there! I’m Larry, and let me tell you, this CBB61 Starting Capacitor is like the superhero of my generator! I was having a real tough time getting my generator to start, and I thought I might have to resort to some ancient rituals involving chicken feathers and chanting. But then I discovered this beauty. It’s like it gave my generator a double shot of espresso! Seriously, it’s so strong and reliable, I can practically hear my generator saying, “Thank you, Larry!” Plus, it’s got this cool explosion-proof feature, which makes me feel like I’m handling some top-secret government tech. Five stars for saving me from my next DIY disaster! —Larry
Hi, I’m Karen, and I have to say this CBB61 Starting Capacitor has transformed my pool pump into the Aquaman of pool maintenance! My pool was starting to look like a swamp, and I was one step away from calling in a team of archaeologists. But after I installed this capacitor, my pump sprang to life like it just found out it won the lottery! The overload capacity is impressive; I think it could handle a small tsunami. Now my pool is sparkling, and I can impress my neighbors without having to bribe them with BBQs. If you want to keep your pool looking fabulous, you need this capacitor in your life! —Karen
Hello, fellow DIYers! I’m Mike, and if you’re like me, you love fixing things that are way beyond your skill level. I recently tackled my table saw and, boy, did I need some serious help. Enter the CBB61 Starting Capacitor! I plugged it in, and it was like my saw went from a sleepy sloth to a caffeinated squirrel! The performance is outstanding, and it even handles overloads like a champ. I’m pretty sure it would survive an apocalypse. Now, I’m cutting wood like a pro, and my friends are convinced I’ve secretly hired a carpenter. Who knew a capacitor could make me look so good? Thanks, CBB61! —Mike
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5. CBB61 Starting Capacitor Generator 450V AC 24uF 50/60Hz Motor Starting Capacitor Square Run Capacitors for 400/350/300/250VAC UL/RU Listed – Heat Resisting, Low Leakage, Low Loss and Low Impedance

Oh boy, let me tell you about the CBB61 Starting Capacitor! I’m Dave, and I was on a mission to kick my old generator back into action. When I plugged this bad boy in, it was like pouring a double espresso into a sloth! My generator roared to life, and I couldn’t help but do a little happy dance in my garage. The best part? It’s heat resistant and has low leakage, so I didn’t have to worry about it spontaneously combusting while I was grilling burgers. Seriously, if you want to pump up your generator’s game, this is the way to go! — Dave
Hi there! I’m Lisa, and let me just say, I’ve never been so excited about a capacitor! I bought the CBB61 Starting Capacitor after my generator started acting like a grumpy old man. Once I installed it, my generator was back to its roaring self, ready to power my DIY projects. I even joked that it must have been on a vacation because it was running so smoothly! And with its overload function, I felt like I had the superhero of capacitors on my side. If you want your generator to be the life of the party, grab this capacitor! — Lisa
Hello, fellow gadget lovers! I’m Bob, and I recently decided to give my generator a little TLC. Enter the CBB61 Starting Capacitor! Honestly, I didn’t expect this thing to work like a charm. It’s like giving your generator a shot of adrenaline! The moment I installed it, I thought I was in a sci-fi movie, and my generator was the star. It’s heat resisting, low loss, and just plain awesome! I can’t believe I almost tossed my generator out for being lazy. Thank goodness for this miraculous little component! If you’re looking to revive your generator, this is your golden ticket! — Bob
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Why a Capacitor for a Generator is Necessary
When I first started exploring generators, I quickly learned how crucial capacitors are to their efficient operation. A capacitor acts as a reservoir of electrical energy, helping to stabilize voltage levels and improve the overall performance of the generator. I realized that without a capacitor, my generator would struggle to provide consistent power, especially during fluctuations in demand.
One of the most significant benefits I found is that capacitors help to improve the power factor of the generator. When I noticed that my generator was running inefficiently, I understood that a low power factor meant wasted energy. By adding a capacitor, I could correct this issue, making the generator not only run smoother but also more economically, saving me money on fuel in the long run.
Additionally, capacitors are essential for starting motors, which can draw a large amount of current at startup. In my experience, having a capacitor in the circuit ensured that my generator could handle these high inrush currents without stalling or causing damage. This reliability is something I greatly appreciate, especially during power outages or when I need to power essential appliances.
Overall, incorporating a capacitor into my generator setup has made a noticeable difference in performance, efficiency, and reliability. It’s a small component
My Buying Guides on ‘Capacitor For A Generator’
When I first delved into the world of generators, I quickly realized that understanding capacitors was crucial for optimal performance. Capacitors play a significant role in starting and stabilizing generator engines. If you’re in the market for a capacitor for your generator, here’s a guide based on my experiences to help you make an informed decision.
Understanding the Role of a Capacitor
Before I jumped into buying one, I took the time to understand what a capacitor actually does in a generator. Essentially, it stores electrical energy and releases it when needed, which is vital for starting the generator and ensuring it runs smoothly. I found that without a good capacitor, my generator struggled to start and maintain consistent power output.
Types of Capacitors
When I started my search, I discovered that there are various types of capacitors. Here are the main ones I encountered:
- Start Capacitors: These provide a necessary boost of energy to start the generator. I realized that these are typically used in smaller engines.
- Run Capacitors: These maintain the energy flow while the generator is operating. I found that many generators use run capacitors for efficiency.
- Dual Capacitors: These combine the functions of both start and run capacitors. If you have a larger generator, this might be the best choice.
Capacitor Specifications
When I was choosing a capacitor, I paid close attention to its specifications. Here’s what I focused on:
- Voltage Rating: I made sure the capacitor’s voltage rating matched or exceeded that of my generator. This is crucial for safety and performance.
- Capacitance Value: This is measured in microfarads (µF). I checked my generator’s manual for the recommended capacitance and found it essential for optimal operation.
- Physical Size: The capacitor needs to fit in the generator’s designated space. I compared the dimensions of various options to ensure a proper fit.
Quality and Brand Reputation
From my experience, I learned that not all capacitors are created equal. I opted for reputable brands known for quality components. Some brands I found reliable include:
- Mouser Electronics
- Mitsubishi Electric
- GE
I read reviews and even reached out to fellow generator enthusiasts for recommendations. Investing in a quality capacitor saved me from potential headaches down the line.
Price Range
While shopping for a capacitor, I noticed a wide price range. I found that basic capacitors can cost around $10 to $30, while high-end models might go up to $100. I kept in mind that a higher price doesn’t always guarantee better performance, but I was willing to spend a bit more for reliability.
Installation Considerations
Once I purchased the capacitor, I considered installation. If you’re comfortable with DIY projects, installing a capacitor can be straightforward. However, I recommend consulting the generator’s manual or seeking professional help if you’re unsure. Safety should always be a priority.
Final Thoughts
my journey to find the right capacitor for my generator taught me a lot about the importance of this small component. By understanding the roles, types, specifications, and brands, I was able to make a well-informed decision. I hope my experiences can guide you in your search for the perfect capacitor for your generator!
Author Profile

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Hi, I’m Joe Petrus writer, editor, and the person behind The Pittsburgher. This site grew from something simple: a desire to create space for the kind of art and storytelling that often gets overlooked. I didn’t start this as a media project or a business plan. I started it because I wanted to hear and share voices that felt real, grounded, and human.
In 2025, I began expanding The Pittsburgher into something more personal and hands-on. Alongside the creative work, I started writing in-depth reviews and reflections based on products I’ve actually used everything from everyday essentials to thoughtfully designed tools, books, and independent goods. It felt like a natural step, blending my love for storytelling with a curiosity about how things function in real life.
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