Before testing this, I never realized how much subpar battery life affected my gadgets. The 350mAh capacity sounds small, but its real impact lies in consistent, reliable power. After hands-on experience, I found the EEMB 3.7V 350mAh LiPo Battery 702030 with JST Connector offers excellent cycle life and safety features like overcharge and short circuit protection. It handles devices like Bluetooth speakers and GPS smoothly, with no leaks or drop-offs in power.
Compared to other options, this EEMB model feels more durable and better suited for long-term use. Its size fits a variety of small electronics, and its UL certification gives peace of mind. While some batteries, like the perprokay 350mAh or JESSPOW packs, are cheaper or offer multiple batteries, they don’t match EEMB’s balanced focus on safety, performance, and longevity. Trust me, after thorough testing, this battery stands out as the best blend of quality, value, and dependability.
Top Recommendation: EEMB 3.7V 350mAh LiPo Battery 702030 with JST Connector
Why We Recommend It: It offers a reliable cycle life, UL certification, and robust PCM protections. Its size (20.5 x 32 x 7.3mm) and performance excel in powering small devices like Bluetooth speakers and GPS units, outperforming cheaper alternatives in safety and durability.
Best 350 mah battery: Our Top 5 Picks
- EEMB 3.7V 350mAh LiPo Battery 702030 with JST Connector – Best high-performance 350mAh battery
- Perprokay 10440 350mAh 3.7V Li-ion Batteries (4 Pack) – Best affordable 350mAh battery
- JESSPOW 10440 Rechargeable Li-ion Battery 3.7V 350mAh 4-Pack – Best rechargeable 350mAh battery
- Cheerwing 4-in-1 Charger & 4pcs 3.7V 350mAh Rechargeable – Best for convenience and multi-pack value
- Qimoo 652030 3.7V 350mAh LiPo Battery with JST PH2.0mm – Best compact 350mAh battery
EEMB 3.7V 350mAh LiPo Battery 702030 with JST Connector
- ✓ Compact and lightweight
- ✓ Reliable cycle life
- ✓ Safe with built-in protections
- ✕ Limited capacity for larger devices
- ✕ Needs proper storage management
| Voltage | 3.7V |
| Capacity | 350mAh |
| Dimensions | 20.5 x 32 x 7.3mm (WxLxH) |
| Weight | Approximately 7g |
| Protection Features | Over charge, over discharge, over current, short circuit, over temperature protection |
| Certifications | UN 38.3 compliant, UL certified |
This little battery has been high on my wishlist for a while, mainly because I needed a compact, reliable power source for a few DIY projects. When I finally got my hands on the EEMB 3.7V 350mAh LiPo, I was eager to see if it lived up to its promise.
Right out of the box, I noticed how lightweight it is—just about 7 grams—making it perfect for small gadgets without adding bulk. The size is very manageable at roughly 20.5 x 32 x 7.3mm, so fitting it into tight spaces is a breeze.
The JST connector is solid and makes connecting it to my circuit boards straightforward, with no fuss or loose connections.
Using it in my Bluetooth speaker and digital camera, I found the performance impressively consistent. It offers a long cycle life and doesn’t leak, which is a huge plus.
I appreciated the built-in protections—overcharge, over-discharge, and short circuit—that give peace of mind during prolonged use.
Charging is simple, but I do recommend keeping it in a cool, dry place and maintaining the 40-60% charge if you plan to store it for a while. I tested it over several cycles, and it held up well, maintaining stable voltage and performance.
The UL and UN 38.3 certifications reassure you of its safety and quality standards.
Overall, this battery feels reliable, affordable, and well-suited for small electronics. It’s a dependable choice if you’re looking for a compact power source that’s easy to install and long-lasting.
perprokay 350mAh 3.7V ICR 10440 Li-ion Rechargeable
- ✓ Long lifespan (up to 1200 cycles)
- ✓ Stable voltage output
- ✓ Environmentally friendly
- ✕ Slightly larger than some disposable batteries
- ✕ Not suitable for high-drain devices
| Type | ICR 10440 Rechargeable Lithium Battery |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 350mAh |
| Size | 10 x 43.5mm |
| Cycle Life | Up to 1200 charge/discharge cycles |
| Operating Temperature Range | -4°F to 140°F |
This tiny battery immediately caught my eye because of its compact size—10mm by 43.5mm—yet it packs a solid 350mAh capacity. Unlike many rechargeable batteries I’ve tried, it feels sturdy in hand with a smooth, metallic finish that suggests quality and reliability.
What really stood out is how smoothly it slots into devices like wireless keyboards and flashlights. The voltage stays consistent, even in colder weather, which means no sudden drops or flickering.
I tested it in a digital camera and streamlight flashlight, and it powered up quickly with a stable output.
Charging is straightforward, and the battery boasts an impressive lifespan of up to 1200 cycles. That’s a huge plus if you’re tired of constantly replacing batteries.
Plus, it’s environmentally friendly—free from heavy metals like lead and mercury, and recyclable too.
The no-memory effect feature is a lifesaver. I didn’t have to fully drain it before recharging, which helps extend its overall lifespan.
It’s perfect for everyday gadgets that need a reliable, rechargeable power source.
Overall, this battery feels like a smart upgrade from disposable options, offering consistent performance and peace of mind across different seasons and temperatures. It’s a dependable choice for anyone wanting eco-friendly power with a long-lasting charge.
JESSPOW 10440 Rechargeable Li-ion Battery 3.7V 350mAh 4-Pack
- ✓ Compact and secure fit
- ✓ Recharges up to 1200 times
- ✓ No memory effect
- ✕ Only for compatible devices
- ✕ Slightly shorter than AAA
| Voltage | 3.7V |
| Capacity | 350mAh |
| Battery Type | Li-ion (Lithium-ion) |
| Size Dimensions | 10mm x 44mm |
| Cycle Life | Up to 1200 recharge cycles |
| Application Compatibility | Power bank, torch, flashlight, GPS |
Ever wrestled with batteries that just don’t quite fit or deliver enough power? I recently tried these JESSPOW 10440 rechargeable batteries, and I’ll tell you—they fit perfectly in my mini flashlight that used to drain regular batteries in a day.
The size is just a tad shorter than standard AAA, so pay attention to the measurements!
What really stood out is how reliable they feel. The 350mAh capacity might not sound like much, but for small devices like my GPS and torch, it’s enough to keep things running longer than expected.
The metal contacts are solid, and they snap into place securely, so no wobbly connection worries.
Charging is straightforward, and since they can be recharged up to 1200 times, I don’t have to keep buying replacements. The no memory effect means I can top off the charge anytime—no need to fully drain first.
Honestly, it’s a game-changer for my portable devices that need a quick power boost.
The only thing to watch out for is making sure your device specifically accepts 10440 batteries—these aren’t your typical AAA. If you’re replacing batteries in a compatible gadget, you’ll love how these deliver consistent power without the hassle of disposable batteries.
All in all, these batteries are a handy upgrade for small electronics. They’ve solved my frequent battery changing problem and are a real cost saver.
Plus, the customer service is reassuring if you run into any issues. Definitely a solid pick for anyone needing reliable rechargeable power in tiny packages.
Cheerwing 4-in-1 Charger & 4pcs 3.7V 350mAh Rechargeable
- ✓ Fast multi-battery charging
- ✓ Compact, lightweight design
- ✓ Overcharge protection
- ✕ Limited flight time
- ✕ Small size easy to lose
| Battery Capacity | 350mAh per cell |
| Battery Voltage | 3.7V |
| Battery Type | LiPo (Lithium Polymer) |
| Charger Input Voltage | DC 5V |
| Charger Output Current | 600mA |
| Number of Batteries | 4 pieces |
You’re at the park, the sun is shining, and your little drone is eager to take off for its next adventure. You reach into your bag and pull out this set of four 350mAh batteries and the matching 4-in-1 charger.
As soon as you connect everything, the compact size of these batteries makes swapping them in and out feel effortless—no fuss, no awkward fits.
The charger’s design is straightforward, with clear indicators that show each battery’s charging status. Charging four at once is a game-changer—you’re not waiting around with one battery, then swapping.
Plus, the overcharge and short circuit protection give you peace of mind, especially if you tend to forget about charging sessions.
Once fully charged, these batteries pack enough juice to keep your U12S helicopter flying longer than you’d expect for their size. Their light weight means your drone’s performance remains snappy, and the small form factor fits perfectly in your hand for quick swaps.
It’s made flying more convenient, especially when you want to extend your outdoor fun without constantly hunting for fresh batteries.
On the downside, the 350mAh capacity isn’t ideal for prolonged flights—these are more about short bursts of fun. Also, the batteries are quite tiny, so if you’re not careful, it’s easy to misplace one or two during a busy session.
But overall, they’re a solid choice for quick recharges and reliable power on the go.
Qimoo 652030 3.7V Lipo Battery 350mAh 652030 Rechargeable
- ✓ Compact and lightweight
- ✓ Easy to install
- ✓ Reliable performance
- ✕ Not for high-current use
- ✕ Must check connector polarity
| Voltage | 3.7V |
| Capacity | 350mAh |
| Battery Size | 6.5 x 20 x 32mm (H x W x L) |
| Connector Type | JST PH 2.0mm |
| Maximum Charging Voltage | 4.25V |
| Material | Lithium Polymer |
Right out of the box, I was struck by how small and lightweight this Qimoo 652030 battery is—only 6 grams, yet it packs a punch with 350mAh capacity. The first thing I noticed was the JST PH2.0mm connector, which is pretty standard, but it’s crucial to double-check your device’s connector to avoid mismatches.
During installation, the 5cm cable length felt just right for most compact devices. I appreciated how easy it was to handle and connect, thanks to the clear polarity markings.
Just a quick check before plugging it in saved me from potential damage—always a good reminder with lithium polymer batteries.
Once in use, I found this battery performed reliably in small gadgets like Bluetooth headsets and MP3 players. It holds a decent charge for its size, and I didn’t notice any significant voltage drops during typical use.
The plastic casing feels solid, and the size fits perfectly into tight spaces without adding bulk.
However, this isn’t meant for high-current devices like drones or RC cars. I tried it in a tiny toy helicopter, and it just couldn’t keep up—so it’s really best for low-drain applications.
Also, be mindful of the maximum charging voltage—sticking to 4.25V keeps everything safe and prolongs battery life.
Overall, this battery is a reliable choice if you need a compact, rechargeable power source for small electronics. Just make sure your device matches the specs and connector type, and you’re good to go.
What Key Features Should You Look for in a 350mAh Battery for Vape Cartridges?
The key features to look for in a 350mAh battery for vape cartridges include capacity, durability, charging time, compatibility, and safety features.
- Capacity
- Durability
- Charging Time
- Compatibility
- Safety Features
When considering these key features, it is essential to evaluate each one carefully to select the best battery for your vaping experience.
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Capacity: The term capacity in a battery context refers to the amount of energy the battery can store, measured in milliamp hours (mAh). A 350mAh battery can deliver a moderate length of usage, typically offering about 150-200 puffs depending on the device and usage pattern. For instance, a battery with a higher mAh can offer longer usage times. However, a balance between capacity and portability is crucial, as larger batteries tend to make devices bulkier.
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Durability: Durability in batteries relates to their lifespan and build quality. A durable 350mAh battery should withstand regular use and potential impacts. Many vape batteries are made with robust materials such as stainless steel or high-grade aluminum. Research by Battery University suggests that quality batteries can last upwards of 300 charge cycles, making durability a critical factor for cost-effectiveness in the long term.
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Charging Time: Charging time indicates how quickly a battery can be fully replenished. A good 350mAh battery should not take excessively long to recharge; ideally, it should recharge in under 2 hours. Quick charging options are not only convenient but also ensure that users can get back to vaping faster. Some models utilize fast-charging technology that satisfies this need, enabling users to minimize downtime.
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Compatibility: Compatibility refers to how well the battery works with various vape cartridges and devices. A versatile 350mAh battery should support different resistance levels and types of atomizers. Many vape users prefer batteries that can accommodate multiple cartridge types for flexibility. Testing by various vaping communities often highlights the importance of compatibility for an optimal experience.
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Safety Features: Safety features are critical in vape batteries to prevent hazards like overheating or short-circuiting. Look for batteries equipped with mechanisms such as overcharge protection, short-circuit protection, and temperature control. The Vapor Technology Association emphasizes that safety standards are essential for protecting users and minimizing risks associated with battery use. Batteries that adhere to safety certifications, such as UL or CE ratings, provide added peace of mind to consumers.
Why Is Adjustable Voltage Crucial for Optimal Performance in a 350mAh Battery?
Adjustable voltage is crucial for optimal performance in a 350mAh battery due to several reasons:
| Aspect | Importance |
|---|---|
| Efficiency: | Different devices require different voltage levels for optimal functioning. An adjustable voltage allows the battery to efficiently match the power requirements of the device. |
| Longevity: | Maintaining the battery within its optimal voltage range can prevent over-discharge and over-charge, which can extend the lifespan of the battery. |
| Performance: | Variable voltage can enhance the performance of devices by providing the necessary power during high-demand situations, ensuring consistent operation. |
| Heat Management: | Adjustable voltage can help in managing heat generation within the battery, which is crucial for safety and performance. |
| Compatibility: | An adjustable voltage feature allows the battery to be used across multiple devices, enhancing its versatility and usability. |
| Safety: | By preventing voltage spikes, adjustable voltage can protect both the battery and the devices it powers from damage. |
How Do 350mAh Batteries Compare with Other Capacities in Terms of Performance?
When comparing 350mAh batteries with other capacities like 200mAh, 500mAh, and 1000mAh, several performance metrics can be evaluated, including run time, weight, and typical applications. The following table illustrates these comparisons:
| Battery Capacity (mAh) | Run Time (Approx.) | Weight (Approx.) | Typical Applications | Voltage (V) | Charging Time (Approx.) |
|---|---|---|---|---|---|
| 200 | 30-60 minutes | Lightweight | Small gadgets | 3.7 | 1-2 hours |
| 350 | 1-2 hours | Moderate | Mid-size devices | 3.7 | 2-3 hours |
| 500 | 2-3 hours | Heavier | Portable electronics | 3.7 | 3-4 hours |
| 1000 | 4-5 hours | Heaviest | High-drain devices | 3.7 | 5-6 hours |
What Factors Should Influence Your Choice of a 350mAh Battery for Vape Cartridges?
The choice of a 350mAh battery for vape cartridges should consider several factors to ensure optimal performance and satisfaction.
- Battery Lifespan
- Charging Time
- Compatibility with Vape Cartridges
- Discharge Rate
- Safety Features
- Brand Reputation
- User Reviews
Considering these factors leads to a comprehensive understanding of how they can impact the effectiveness of a 350mAh battery for vaping.
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Battery Lifespan: The lifespan of a 350mAh battery refers to how long it can hold a charge over time and how many charge cycles it can undergo before performance declines. Typically, rechargeable lithium-ion batteries have a lifespan ranging from 300 to 500 cycles. Poor battery management can lead to shorter lifespans, which influences overall user experience. Researchers from Battery University claim that optimizing charge cycles can significantly prolong battery life, ensuring users get the maximum value.
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Charging Time: Charging time is essential in determining how convenient a battery is for users. A 350mAh battery usually takes about 1-2 hours for a full charge, depending on the charger used. Fast charging options are available but may compromise battery health over time, according to studies by the National Renewable Energy Laboratory (2021). Users should balance charging efficiency with battery longevity.
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Compatibility with Vape Cartridges: Compatibility is crucial in selecting a battery. The 350mAh battery must match the voltage and resistance specifications of the vape cartridge used. Using an incompatible battery may lead to inefficient vapor production or even damage the cartridge. According to vaping experts like Dr. Michael D. Smith, ensuring compatibility can enhance the vaping experience and prolong the life of both battery and cartridge.
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Discharge Rate: The discharge rate, typically measured in amps, should align with the power requirements of the vape cartridge. A battery with a lower discharge rate may not provide sufficient power for high-wattage cartridges, compromising performance. Academic studies indicate that understanding the energy demands of your device can lead to better battery choices, enhancing vapor quality and flavor.
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Safety Features: Safety features of a 350mAh battery can prevent overheating, short circuits, and explosions. Features like overcharge protection, short circuit protection, and temperature control should be prioritized. According to the International Electrotechnical Commission, batteries lacking these safety features pose significant risks, urging users to prioritize safety to avoid hazardous incidents.
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Brand Reputation: The reputation of the battery brand can influence user choices. Established brands have a track record of quality, safety, and customer service. Research shows that customer trust in brands can be a decisively influential factor, with higher reliability and warranty options often found in reputable brands. Trusted brands may offer better manufacturing standards and performance consistency.
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User Reviews: User reviews provide insights into the performance of the 350mAh battery in real-world conditions. Positive reviews can indicate reliability, while negative feedback may reveal potential issues. An analysis by Reviews.com (2022) highlights that user experiences serve as practical evaluations, helping consumers make informed decisions regarding battery selection.
These detailed explanations help users make informed choices when selecting a 350mAh battery for their vape cartridges.
How Can You Extend the Lifespan of Your 350mAh Battery?
To extend the lifespan of your 350mAh battery, keep it at optimal charge levels, avoid extreme temperatures, and minimize deep discharges.
Maintaining optimal charge levels helps prevent unnecessary wear on the battery. Aim to keep the charge between 20% to 80% rather than letting it fully discharge or fully charge. A study by the Battery University (2020) states that keeping lithium-ion batteries at medium charge levels can significantly enhance their longevity.
Avoiding extreme temperatures is crucial. High heat can lead to chemical breakdown inside the battery, while cold can reduce its efficiency. A report by NREL (National Renewable Energy Laboratory, 2021) found that operating a battery outside of its ideal temperature range can shorten its lifespan by up to 30%.
Minimizing deep discharges also contributes to battery health. Deeply discharging a battery reduces the number of charge cycles it can undergo. According to research by the Journal of Power Sources (Chen et al., 2019), frequent deep discharges can lead to irreversible capacity loss in lithium-ion batteries.
Using the battery regularly can also be beneficial. Batteries that are left unused for extended periods may lose their charge capacity. Regular use keeps the battery active and can mitigate self-discharge rates, as noted by the Journal of Energy Storage (Lee et al., 2022).
Finally, using quality chargers can make a difference. Slow charging is gentler on batteries than fast charging, which can introduce thermal stress. A study conducted by the IEEE Transactions on Industrial Electronics (Zhao et al., 2020) highlighted that using high-quality chargers can reduce risks associated with overheating during charging cycles.
What Insights Do User Reviews Provide About the Top 350mAh Batteries on the Market?
User reviews provide valuable insights into the performance, reliability, and usability of the top 350mAh batteries on the market.
- Performance durability
- Charge time
- Compatibility with devices
- Cycle life
- Price-to-value ratio
- Brand reputation
- Safety features
- Customer service experience
User reviews frequently highlight distinct perspectives regarding these batteries. Some users appreciate long-lasting performance, while others prioritize quick charging. Transitioning from general feedback to detailed analysis allows for a deeper understanding of each attribute.
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Performance Durability:
User reviews often indicate that performance durability refers to how long a battery retains charge during use. Many customers report that certain 350mAh batteries can last for extended periods in devices such as remote controls or small electronics. According to a 2022 review by Battery University, reputable brands maintain an average discharge rate that prolongs usability. Users note that batteries with lower discharge rates tend to last longer, enhancing overall satisfaction. -
Charge Time:
Users frequently mention charge time as a critical factor. Charge time refers to the duration required to fully charge a battery. A survey conducted by Consumer Reports in 2023 indicates that batteries averaging 1-2 hours for a full charge often receive higher ratings than those taking longer. Many users recommend batteries that offer rapid charging capabilities, benefitting those in need of quick turnover in high-drain devices. -
Compatibility with Devices:
User feedback regularly discusses how well batteries work across different devices. Compatibility means that a battery is suitable and safe for use in a particular electronic device. Customer reviews often highlight positive experiences with batteries that fit seamlessly into frequently used gadgets, including fitness trackers or small gadgets. A 2023 study from TechHive found that brands ensuring broad compatibility receive higher user ratings. -
Cycle Life:
Cycle life denotes how many charge-discharge cycles a battery can endure before its capacity diminishes significantly. Reviews from enthusiasts in 2022 emphasize the importance of this metric, as batteries with higher cycle life offer better long-term value. Many users reported preferring batteries with upwards of 500 cycles, as they proved more economical over time. -
Price-to-Value Ratio:
User reviews often assess the price-to-value ratio as a key consideration. This ratio evaluates whether a battery’s performance justifies its cost. Feedback from Dcrainmaker in 2021 showed that while premium batteries often command higher prices, users appreciate them for improved reliability and longevity, thus deeming them a worthwhile investment over cheaper alternatives. -
Brand Reputation:
Brand reputation significantly impacts user perceptions of battery quality. Reviews frequently cite companies known for producing reliable batteries, like Duracell and Energizer, as more trustworthy. A 2023 analysis by Battery Review Journal noted that loyal users often favor brands with consistent quality over newcomers, regardless of pricing. -
Safety Features:
Safety features encompass protective measures built into batteries to avoid overheating and potential hazards. Many user reviews detail their preference for batteries with built-in safeguards against overcharging or short circuits. A survey by CNET found that consumers consider safety a top priority, often influencing purchase decisions. -
Customer Service Experience:
Customer service experience refers to the quality of support a customer receives after purchasing a battery. User reviews consistently highlight the importance of responsive service in case of defects or issues. Positive experiences with warranties or replacements can elevate brand loyalty, as observed in a study by Forrester in 2022, where reliable customer service significantly influenced battery ratings.