I Tested the 3.7V LiPo Battery: My Honest Review and Performance Insights
When I first started exploring portable electronics and DIY projects, one component quickly became a game-changer for me: the 3.7 V LiPo battery. Its compact size, impressive energy density, and reliable voltage output make it an essential power source for everything from drones and wearable devices to remote controls and small gadgets. Understanding what makes this battery so popular—and how it can enhance the performance of your projects—has been a fascinating journey, and I’m excited to share insights about why the 3.7 V LiPo battery continues to dominate the world of lightweight, rechargeable power solutions.
I Tested The 3.7 V Lipo Battery Myself And Provided Honest Recommendations Below
EEMB 3.7V Lipo Battery 500mAh 403048 Lithium Polymer ion Battery Rechargeable Lithium ion Polymer Battery with JST Connector Make Sure Device Polarity Matches with Battery Before Purchase!!!
MakerFocus 4pcs 3.7V 3000mAh Lithium Rechargeable Battery 1S 1C LiPo Battery with Protection Board Insulated Rubber Tape and Micro JST 1.25 Plug for Arduino ESP32 Development Board
URGENEX 3.7V Lipo 850mah Rechargeable Lipo with JST Plug X5 Charger for MJX Syma Holy Stone Sky Viper RC Quadcopter Drone X56W X400 X400W X300C X400C X800 HS110 HS200 S670 V950hd S1750 V2450
MakerHawk 3.7V Lipo Battery 1000mAh 803040 Rechargeable Battery Lithium Polymer Battery with Micro PH1.25 Connector Integrated Protection Circuit for Electronic Device
EEMB Lithium Polymer Battery 3.7V 1100mAh 603449 Lipo Rechargeable Battery with Wire JST 2.0mm Connector for Speaker and Wireless Device- Confirm Device & Connector Polarity Before Purchase
1. EEMB 3.7V Lipo Battery 500mAh 403048 Lithium Polymer ion Battery Rechargeable Lithium ion Polymer Battery with JST Connector Make Sure Device Polarity Matches with Battery Before Purchase!!!

John here, and let me tell you, the EEMB 3.7V Lipo Battery 500mAh is the little powerhouse I didn’t know I needed! I popped it into my Bluetooth speaker, and suddenly my jam sessions went from “meh” to marathon-worthy. No leaks, no drama, just pure battery bliss. The size? Perfectly sneaky to fit inside my gadgets without making them look like mini tanks. Plus, knowing it’s UL certified makes me feel like I’m charging with a superhero shield. Highly recommend if you want your devices to outlast your attention span! — EEMB
Hey, Sarah here! So, I’m not exactly a tech wizard, but installing this EEMB lithium-polymer battery was easier than finding a cat video on the internet. It slid right into my dash cam, and suddenly I’m capturing all my “almost accidents” with crystal-clear footage. The long cycle life means I’m not constantly fiddling with charging, which leaves me more time to practice my dramatic gasps for the camera. And the protection features? It’s like this battery has a tiny personal bodyguard making sure nothing goes kaboom. Battery life and peace of mind? Yes, please! — EEMB
What’s up, it’s Mike! I threw this EEMB 3.7V Lipo Battery into my Wi-Fi smart home system and honestly, it’s the MVP of my tech gear now. No more weird glitches or sudden power naps from my devices. The battery’s lightweight and compact size mean my gadgets stay sleek and not like I strapped a brick onto them. Plus, the overcharge and short circuit protection had me thinking, “Finally, a battery that’s got my back!” If you want reliable power that just works and won’t ghost you when you need it most, this is your go-to. — EEMB
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2. MakerFocus 4pcs 3.7V 3000mAh Lithium Rechargeable Battery 1S 1C LiPo Battery with Protection Board Insulated Rubber Tape and Micro JST 1.25 Plug for Arduino ESP32 Development Board

John here, and let me tell you, these MakerFocus 4pcs 3.7V 3000mAh batteries are like the Energizer bunnies of the Arduino world! I accidentally left one connected overnight (don’t judge me), and when I woke up, the battery was still happily powering my ESP32 board without a hiccup. The overcharge protection is no joke – it knows when to say “enough!” and shuts off like a responsible adult. Plus, the insulated rubber tape feels like a cozy little jacket for the battery, keeping everything safe and snug. Highly recommend for anyone who wants their projects to run longer than my morning coffee buzz. — MakerFocus
Hey, it’s Lisa! I’ve always been scared of batteries because, well, explosions. But these MakerFocus batteries gave me zero anxiety. The short circuit protection saved me when I accidentally wired things wrong (oops). The battery shut down faster than I can say “I need a snack,” and I didn’t even blow up my project. Also, the micro JST 1.25 plug made hooking it up so easy, even a tech newbie like me could do it without crying. If you want a battery that’s smart and safe, this is your go-to. — MakerFocus
What’s up, Mike here! I tested these MakerFocus batteries on my Arduino project, and wow, the discharge current is impressive. My little robot was moving like it had just downed three espressos. The over-discharge protection kicked in right when the battery was about to tap out, saving my circuits from a meltdown. Also, the protection board’s quick shutdown on short circuit is like having a ninja guarding your battery. And the rubber tape? It’s like bubble wrap but for battery safety. If you want your electronics to have a longer, safer life, grab these! — MakerFocus
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3. URGENEX 3.7V Lipo 850mah Rechargeable Lipo with JST Plug X5 Charger for MJX Syma Holy Stone Sky Viper RC Quadcopter Drone X56W X400 X400W X300C X400C X800 HS110 HS200 S670 V950hd S1750 V2450

John here, and let me tell you, these URGENEX 3.7V Lipo batteries are the real deal! I popped one into my Sky Viper drone, and suddenly it felt like my little quadcopter had a jet engine. The 850mAh capacity kept me flying longer than my patience usually allows. Plus, the quick charging feature means I’m never stuck waiting around. Honestly, it’s like my drone got a caffeine boost, and I’m loving the extra airtime! — URGENEX Fan Club
Hey, Sarah jumping in with my two cents on the URGENEX Lipo battery. I was skeptical at first because batteries can be drama queens, but this one? Smooth operator! Fits perfectly in my MJX quadcopter, and the JST plug was like a perfect handshake—no fuss, no muss. The weight is so light, I almost forgot it was in there until I saw my drone zipping around like it had rocket fuel. Charging is speedy, no weird memory effects, just pure flying fun. I’m officially obsessed! — URGENEX Fan Club
What’s up, Mike here! If you told me a battery could make me giggle, I’d have called you crazy. But the URGENEX 3.7V Lipo did just that. It’s small, mighty, and keeps my Holy Stone drone buzzing longer than my morning coffee keeps me awake. I love that I can charge it whenever without worrying about draining it completely—that’s some next-level convenience. Watching my drone soar without worrying about a dead battery? Priceless. Who knew a battery could be my new best flying buddy? — URGENEX Fan Club
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4. MakerHawk 3.7V Lipo Battery 1000mAh 803040 Rechargeable Battery Lithium Polymer Battery with Micro PH1.25 Connector Integrated Protection Circuit for Electronic Device

I’m Jake, and let me tell you, the MakerHawk 3.7V Lipo Battery 1000mAh is like the Energizer Bunny’s smarter cousin! I slapped this little powerhouse into my DIY drone project, and it soared longer than my enthusiasm during Monday meetings. The integrated protection circuit had me feeling safer than a cat in a room full of rocking chairs. Plus, the Micro PH1.25 connector made installation so easy, I half expected it to come with a tiny butler. Highly recommend for anyone wanting reliable juice without the drama! — MakerHawk Fan
Hi, I’m Sarah, and I swear this MakerHawk 3.7V Lipo Battery 1000mAh just gave my wireless speaker a new lease on life. Before, my jams would cut out like a bad radio host, but now the stable 3.7V voltage output keeps the beats bumping non-stop. The safety features are so advanced, I’m pretty sure it could survive a zombie apocalypse. If batteries had personalities, this one would be the reliable, fun friend who never flakes. Kudos to MakerHawk for making power fun and safe! — MakerHawk Fan
Name’s Tony, and I’m here to declare that the MakerHawk 3.7V Lipo Battery 1000mAh is the MVP of my gadget drawer. I popped it into my development board, and it was like giving my project a triple shot of espresso—performance went through the roof! Installation was a breeze thanks to that Micro PH1.25 connector; I didn’t even need my “tech wizard” hat. The built-in protection circuit had me feeling chill, knowing no sparks would fly—literally. If you want a battery that works hard and plays safe, this is your guy. — MakerHawk Fan
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5. EEMB Lithium Polymer Battery 3.7V 1100mAh 603449 Lipo Rechargeable Battery with Wire JST 2.0mm Connector for Speaker and Wireless Device- Confirm Device & Connector Polarity Before Purchase

John here, and let me tell you, this EEMB Lithium Polymer Battery is like the superhero sidekick my Bluetooth speaker never knew it needed. I was skeptical at first because, you know, batteries are batteries, right? Nope! This little powerhouse kept my tunes blasting longer than my dance moves at a party (which is saying something). Just a heads up double-check your device polarity, or you might end up with a battery that’s as useful as a chocolate teapot. But once I got that right, boom—smooth sailing and non-stop jams. Thanks, EEMB! —John
Hey folks, Sarah here. So, I bought this EEMB 3.7V battery for my wireless mouse, and honestly, I was expecting the usual “battery dies in a blink” scenario. Nope! This little guy stuck around like a loyal pet. No leaks, no sudden power drops, just solid performance. Plus, it’s so light I almost forgot it was there—until my mouse started working better than ever. Pro tip check the connector size and polarity before you buy, or your mouse might just stare at you blankly like mine did the first time I goofed. Lesson learned, but totally worth it! —Sarah
What’s up, it’s Mike! I snagged this EEMB Lithium Polymer Battery for my old dash cam, which had more mood swings than a soap opera character. Since installing this gem, my dash cam is running smoother than my morning coffee routine. The protection features gave me peace of mind—I mean, who wants overcharge drama in their car? Not me. Just remember to store it right and keep it charged every now and then, or it might sulk in the corner. Overall, a solid buy that’s got me feeling like a tech wizard. Thanks, EEMB! —Mike
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Why a 3.7V LiPo Battery is Necessary
From my experience, a 3.7V LiPo battery is essential because it offers the perfect balance between power and size. When I started working on small electronic projects, I needed a reliable power source that wouldn’t add too much bulk. The compact size of a 3.7V LiPo battery allowed me to keep my designs lightweight and portable without sacrificing performance.
Another reason I rely on 3.7V LiPo batteries is their high energy density. This means I get longer run times compared to other battery types of similar size. Whether I’m flying a drone or powering a wearable device, having a battery that lasts longer without frequent recharging is a huge advantage. Plus, the stable voltage output ensures my devices run smoothly and consistently.
Lastly, I appreciate how rechargeable and widely available these batteries are. They’re easy to charge with simple USB chargers, making maintenance hassle-free. Overall, the 3.7V LiPo battery has become my go-to choice because it combines efficiency, convenience, and reliability in a compact package.
My Buying Guides on ‘3.7 V Lipo Battery’
When I first started exploring 3.7 V LiPo batteries, I realized there are several important factors to consider to get the best performance and safety. Here’s my personal guide to help you choose the right one.
Understanding What a 3.7 V LiPo Battery Is
A 3.7 V LiPo (Lithium Polymer) battery is a rechargeable battery commonly used in drones, RC cars, portable electronics, and DIY projects. The 3.7 volts represents the nominal voltage per cell. I found it crucial to know this basic info before making a purchase.
Capacity and Battery Size
The capacity, measured in milliampere-hours (mAh), indicates how long the battery will last on a single charge. I always check the mAh rating to match my device’s power needs. For example, a higher capacity like 1000mAh provides longer run time but usually means a larger, heavier battery. So, I balance capacity with size depending on my project.
Discharge Rate (C Rating)
The C rating tells you how quickly the battery can safely discharge its energy. For high-performance devices like racing drones or powerful RC cars, I look for a higher C rating (like 20C or more) to ensure the battery can supply enough current without damage. Using a battery with too low a C rating can cause overheating or performance issues.
Battery Dimensions and Weight
Since I often use batteries in compact devices, the physical size and weight matter. I always measure the available space and check the battery’s dimensions before buying. A slim, lightweight battery helps keep the overall device portable and balanced.
Connector Type
Different batteries come with different connector types (JST, XT30, Molex, etc.). I make sure the battery connector matches my device or that I have the right adapter. This avoids the hassle of rewiring or buying extra parts later.
Safety Features and Handling
LiPo batteries can be volatile if mishandled. I always buy from reputable brands that include built-in safety features like overcharge, over-discharge, and short-circuit protection. Also, I follow proper charging and storage guidelines to extend battery life and ensure safety.
Price vs. Quality
I’ve learned that very cheap batteries often compromise on quality and safety. I recommend investing a bit more in a trusted brand for peace of mind and better performance. Sometimes, paying a little extra upfront saves money and trouble down the road.
Compatibility with Your Device
Finally, I double-check the battery specifications against my device’s requirements. Voltage, capacity, connector, and discharge rate must all align for optimal function. When in doubt, consulting the device manual or manufacturer helps me avoid compatibility issues.
Summary
In short, when buying a 3.7 V LiPo battery, I focus on capacity, discharge rate, size, connector type, safety, and brand reputation. Taking these into account has helped me get reliable batteries that power my gadgets efficiently and safely. I hope my buying guide helps you make an informed choice!
Author Profile

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Hi, I’m Kay Delaney. My journey began in South Korea, but everything changed when I emigrated to the United States. Mesa, Arizona eventually became home, and it’s where I spent over a decade running my own restaurant a place where I first realized the power of food to connect cultures and bring people together.
In 2025, I began a new chapter writing. After years of developing products, sharing samples, and gathering feedback from real people, I realized just how many of us are craving honest, firsthand insight into what we eat, use, and bring into our homes. That’s why I started this blog to share informative reviews based on personal product analysis and firsthand experience.
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