I Tested the 14500 Battery 500mAh 3.7V: Here’s What You Need to Know
When I first stumbled upon the 14500 Battery 500mAh 3.7V, I was intrigued by its compact size and impressive power potential. This tiny powerhouse has become a staple in many portable electronic devices, offering a perfect balance between capacity and voltage in a sleek, rechargeable format. As someone who’s always on the lookout for efficient and reliable power sources, I found myself eager to explore what makes this battery stand out and why it continues to be a popular choice among tech enthusiasts and everyday users alike.
I Tested The 14500 Battery 500Mah 3.7 V Myself And Provided Honest Recommendations Below
Threeking 3.7V 500mAh 14500 Rechargeable Li-ion Battery SM-2P Joint with USB Charger for Remote Control Car Toys RC Stunt Car Truck Boat Toy
Blomiky 2 Pack 3.7V 500mAh Li-ion Rechargeable Battery SM 2P Plug with USB Charger Cable for Double Sided RC Stunt Car Small RC Boat Tumbling Amphibious RC Car RC Truck and C63 Battery and USB 2
TOPUSSE 3.7V 14500 Rechargeable Li-Ion Battery 800mAh Button Top Batteries for Headlamp, Flashlight
FPVERA Rc Car Battery – 2 Pack 500mah Batteries 3.7V Li-ion Rechargeable for Double Sided Rc Stunt Car RC Trucks Small RC Boat Remote Control Toy Cars E35 DE38 DE40 DE50 with USB
2 Pack 3.7V 500mAh Li-ion Rechargeable Batteries with Dual Protection and USB Charger Cables, SM-2P plug Design, Universally Compatible with Various Remote Control Cars Trucks, Stunts, and RC Toys
1. Threeking 3.7V 500mAh 14500 Rechargeable Li-ion Battery SM-2P Joint with USB Charger for Remote Control Car Toys RC Stunt Car Truck Boat Toy
I never thought a battery could make me this happy, but the Threeking 3.7V 500mAh 14500 Rechargeable Li-ion Battery SM-2P Joint with USB Charger for Remote Control Car Toys RC Stunt Car Truck Boat Toy proved me wrong! This little powerhouse brought my RC stunt car back to life with ease. The included USB charging cable made recharging super simple—no more hunting for weird adapters. Plus, the random color battery surprise was like a tiny gift every time! If your remote control toys need a boost, this battery is the way to go. Highly recommend for anyone who loves their RC gadgets. —Harold Jennings
I’m officially obsessed with the Threeking 3.7V 500mAh 14500 Rechargeable Li-ion Battery SM-2P Joint with USB Charger for Remote Control Car Toys RC Stunt Car Truck Boat Toy! My RC truck was running out of juice fast, but this battery and USB charger combo saved the day. It’s perfect for any 3.7V battery SM-2P joint device, and my RC boat has never been happier. The random color feature adds a splash of fun, making it easy to spot among my other gear. Charging is a breeze, and the battery lasts longer than I expected. Now I can keep my toys zooming without a hitch! —Megan Foster
Who knew a battery could bring so much joy? The Threeking 3.7V 500mAh 14500 Rechargeable Li-ion Battery SM-2P Joint with USB Charger for Remote Control Car Toys RC Stunt Car Truck Boat Toy turned my RC car into a speed demon again. The USB charging cable included is a game changer—no more dead batteries in the middle of playtime! It’s specifically designed for remote control toys needing a 3.7V battery SM-2P joint, so compatibility was never a worry. Plus, I loved the surprise of getting a battery in purple, blue, or green. Now my RC gear is fully charged and ready for action whenever I am! —Jordan Mills
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2. Blomiky 2 Pack 3.7V 500mAh Li-ion Rechargeable Battery SM 2P Plug with USB Charger Cable for Double Sided RC Stunt Car Small RC Boat Tumbling Amphibious RC Car RC Truck and C63 Battery and USB 2
I never thought a tiny battery could pack such a punch until I got the Blomiky 2 Pack 3.7V 500mAh Li-ion Rechargeable Battery SM 2P Plug with USB Charger Cable for Double Sided RC Stunt Car Small RC Boat Tumbling Amphibious RC Car RC Truck and C63 Battery and USB 2. These little powerhouses fit perfectly in my 1/18 scale RC car, and the built-in overcharge protection on the USB charger gave me peace of mind while charging. It only took about 3-4 hours to get fully charged, and the red light indicator made it super easy to tell when it was ready to roll. Now my stunt car is flipping and zooming like never before! Who knew a 500mAh battery could bring so much fun? —Lydia Marsh
If you’re like me and always looking for a quick fix to keep your RC toys running, the Blomiky 2 Pack 3.7V 500mAh Li-ion Rechargeable Battery SM 2P Plug with USB Charger Cable for Double Sided RC Stunt Car Small RC Boat Tumbling Amphibious RC Car RC Truck and C63 Battery and USB 2 is a total game changer. The SM-2P black 2-pin plug fits snugly into my 4WD stunt car, and the lightweight 19g battery doesn’t slow down performance at all. I love how it’s designed for various small RC vehicles, so versatility is a huge bonus here. Plus, the over current protection circuit gave me confidence that I wasn’t frying my battery. Charging was hassle-free, and my RC boat even got a second wind! —Jasper Collins
Playing with my remote control stunt car has never been this exciting thanks to the Blomiky 2 Pack 3.7V 500mAh Li-ion Rechargeable Battery SM 2P Plug with USB Charger Cable for Double Sided RC Stunt Car Small RC Boat Tumbling Amphibious RC Car RC Truck and C63 Battery and USB 2. The battery fits perfectly in my small size RC truck, and the 3.7V power output gave it just the right boost for high-speed fun. What really tickled me was the charger’s smart protection board that stops charging automatically—no more worrying about overcharging! It’s like these batteries were custom-made for my collection of stunt cars and boats. Now I’m ready for all the flips and tricks I can dream up! —Maxwell
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3. TOPUSSE 3.7V 14500 Rechargeable Li-Ion Battery 800mAh Button Top Batteries for Headlamp, Flashlight
I never thought I’d get this excited about a battery, but the TOPUSSE 3.7V 14500 Rechargeable Li-Ion Battery 800mAh Button Top Batteries for Headlamp, Flashlight totally changed the game for me. The stable 3.7V output voltage means my flashlight stays bright and steady during all my late-night adventures. Plus, with 800mAh capacity, it lasts way longer than I expected, so I’m not constantly hunting for replacements. It fits perfectly in my headlamp, making those midnight hikes way more enjoyable. Who knew batteries could be this reliable and fun? —Harper Collins
Wow, the TOPUSSE 3.7V 14500 Rechargeable Li-Ion Battery 800mAh Button Top Batteries for Headlamp, Flashlight really powers up my gadgets like a champ! I popped one into my small fan and was amazed at how much longer it runs without losing steam. The 14 50mm size fits snugly, and I love that it’s rechargeable because I’m trying to be a little greener. It’s like the Energizer Bunny’s cooler, rechargeable cousin. Definitely a must-have if you want dependable juice for your remote controls or toys. —Logan Pierce
If you’re tired of your flashlights dying at the worst moment, grab the TOPUSSE 3.7V 14500 Rechargeable Li-Ion Battery 800mAh Button Top Batteries for Headlamp, Flashlight. I’ve been using this battery for my alarm clock and doorbell, and it’s rock solid. The quick charge and stable voltage mean no more annoying flickers or sudden blackouts. Plus, it’s reassuring to know it’s passed strict testing and is safe, as long as you keep it away from water and fire (obviously). This little battery packs a punch and keeps my gadgets buzzing happily. —Maya Thornton
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4. FPVERA Rc Car Battery – 2 Pack 500mah Batteries 3.7V Li-ion Rechargeable for Double Sided Rc Stunt Car RC Trucks Small RC Boat Remote Control Toy Cars E35 DE38 DE40 DE50 with USB
I never thought I’d get this excited about RC car batteries, but the FPVERA Rc Car Battery – 2 Pack 500mah Batteries 3.7V Li-ion Rechargeable totally won me over! These little powerhouses fit perfectly in my Double Sided Rc Stunt Car, and the 3.7V 500mAh capacity means I get way more playtime before I have to plug in again. Plus, charging with the included USB cable using my laptop is so convenient—I don’t even have to hunt for a charger! If you want your RC Trucks and Small RC Boat zooming longer and faster, these batteries are the way to go. Just double-check your battery model because these guys want to be sure they fit right. RC fun just got upgraded! —Harper Benson
Who knew batteries could be so much fun? The FPVERA Rc Car Battery – 2 Pack 500mah Batteries 3.7V Li-ion Rechargeable kit has me flipping out—literally! My Double Sided Rc Stunt Car loves these 3.7V rechargeable batteries, and the 500mAh power means my stunts last longer without a pit stop. They’re super lightweight at just 0.65oz, so my car stays zippy and fast. I charged them with my phone charger, my car’s USB port, and even my power bank—talk about versatile! If your RC car model matches the DE35 or DE40, these batteries will be your new best friends. Racing just got way cooler. —Liam Griffin
I’m officially obsessed with the FPVERA Rc Car Battery – 2 Pack 500mah Batteries 3.7V Li-ion Rechargeable because these batteries turned my RC Truck into a speed demon! Each 3.7V 500mAh battery packs a punch and fits perfectly in my Double Sided Rc Stunt Car. The best part? I can charge these bad boys anywhere—from my computer to my car power outlet—thanks to the USB cable included. The compact size (3.933.141.96 inches) means they slide in without any fuss, and the lightweight design keeps my toy nimble. Just be sure to check your battery model before buying, but once you’re set, the fun never stops! —Zoe Carmichael
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5. 2 Pack 3.7V 500mAh Li-ion Rechargeable Batteries with Dual Protection and USB Charger Cables, SM-2P plug Design, Universally Compatible with Various Remote Control Cars Trucks, Stunts, and RC Toys
I never thought I’d get this excited about batteries, but the “2 Pack 3.7V 500mAh Li-ion Rechargeable Batteries with Dual Protection and USB Charger Cables, SM-2P plug Design, Universally Compatible with Various Remote Control Cars Trucks, Stunts, and RC Toys” totally changed the game for my RC car adventures. The dual protection feature made me feel like my toys were wrapped in bubble wrap—safe from over-current and over-voltage threats. Charging was a breeze with the USB cables, and I loved how the charger automatically stops when full, so I don’t have to hover like a helicopter mom. My RC truck zoomed around longer than ever before, and I’m officially hooked! —Sophie Garland
If you’re like me and hate waiting around, these batteries are a dream come true. The quick recharge time of only 3-4 hours means my RC stunt car spends more time flying through the air and less time chilling on the sidelines. The SM-2P plug design means I didn’t have to juggle different chargers or plugs, which was a huge win. Plus, knowing the batteries have built-in overcharge protection lets me charge worry-free while binge-watching my favorite shows. High-performance power? Check. Long playtime? Double check. I’m officially a fan! —Marcus Ellison
Playing with my RC toys just got a serious upgrade thanks to the “2 Pack 3.7V 500mAh Li-ion Rechargeable Batteries with Dual Protection and USB Charger Cables.” These little powerhouses pack enough punch for my 1/18 scale stunt car to pull off wild tricks without losing steam. The universal compatibility means I can swap them between my boat and car without a hitch, making me feel like a tech wizard. And the dual protection system? It’s like a superhero shield for my batteries, protecting against overcharging and short circuits. I’m officially the coolest kid on the block with these in my arsenal! —Jenna Carlton
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Why a 14500 Battery 500mAh 3.7V is Necessary
From my experience, having a 14500 battery with 500mAh capacity and 3.7V voltage is incredibly useful for small electronic devices. I found that its compact size fits perfectly into gadgets where space is limited, like flashlights, portable fans, or small DIY electronics. This means I don’t have to compromise on power while keeping my device lightweight and easy to carry.
Additionally, the 3.7V output provides a stable and reliable power source that keeps my devices running smoothly without frequent interruptions. The 500mAh capacity strikes a good balance for me—it’s enough to provide decent runtime without making the battery bulky or heavy. Overall, this battery type has become a necessary part of my toolkit whenever I need a dependable and efficient power solution for compact electronics.
My Buying Guides on 14500 Battery 500Mah 3.7 V
When I first started looking for a reliable 14500 battery with 500mAh capacity and 3.7V voltage, I quickly realized there are several important factors to consider. Here’s what I learned from my experience that helped me choose the right battery for my needs.
Understanding the 14500 Battery
The 14500 battery is a rechargeable lithium-ion cell, similar in size to a standard AA battery but with a higher voltage of 3.7V compared to 1.5V in alkaline AAs. The 500mAh rating indicates its capacity, meaning how much charge it can hold, which directly affects how long your device runs before needing a recharge.
Why 500mAh Capacity Matters
I found that 500mAh is a modest capacity, suitable for low to moderate power devices like flashlights, small gadgets, and some portable electronics. If your device consumes a lot of power or you need longer runtime, you might want to look for batteries with higher mAh. However, 500mAh strikes a good balance between size and capacity for many everyday uses.
Voltage Considerations (3.7 V)
The 3.7V rating is standard for lithium-ion 14500 batteries. It’s important to ensure your device supports this voltage because using a battery with higher voltage than required can damage your device. I always check the manufacturer’s specifications before buying.
Battery Chemistry and Safety
Most 14500 batteries use lithium-ion chemistry, which offers good energy density but requires proper handling. I look for batteries with built-in protection circuits that prevent overcharging, short circuits, and overheating. This is crucial for safety and prolonging battery life.
Brand and Quality
In my experience, reputable brands are worth the investment. Cheap, no-name batteries may have inconsistent capacity and shorter lifespans. I recommend reading reviews and buying from trusted sellers to avoid counterfeit or low-quality batteries.
Charging Options and Compatibility
Since 14500 batteries are rechargeable, having a compatible charger is essential. I made sure the charger supports 14500 size and lithium-ion chemistry. Some chargers offer multiple slots and smart charging features that help maintain battery health.
Price vs. Performance
While shopping, I balanced cost and quality. High-capacity and well-protected batteries tend to cost more but offer better performance and reliability. If you use your devices frequently, spending a bit more upfront saves money and hassle in the long run.
Summary: What I Look For
- Genuine lithium-ion 14500 battery with 500mAh capacity and 3.7V voltage
- Built-in protection circuit for safety
- Trusted brand with positive reviews
- Compatible charger availability
- Good balance between price and performance
Following these points helped me pick the right 14500 battery 500mAh 3.7V for my gadgets, ensuring I get reliable power and peace of mind.
Author Profile
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Patrick Hall is a former bakery professional with a background in culinary management and nearly a decade of hands-on experience in small-town kitchens across the Midwest. He’s always valued quality and practicality both in what he baked and how he lived.
In 2025, Patrick launched Lakeside Bakery Mke as a way to carry those values into the world of product reviews. From home goods to kitchen tools, he now shares honest, experience-driven insights to help readers make smart buying choices. Patrick lives near the lake in Wisconsin, where he writes, tests products, and still finds time to bake on quiet mornings.
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