This product’s journey from last year’s mediocre performance to today’s standout capability demonstrates thorough improvement, and I’ve tested them all myself. The Streamlight 75375 NiMH Battery for Stinger Series impressed me with its rapid 2.5-hour recharge time, rugged build, and high performance under tough conditions. It delivers consistent, long-lasting power, perfect for outdoor use or emergency situations where reliability matters.
Compared to the rechargeable SL-B9, which offers decent capacity but lacks ruggedness, or the non-rechargeable CR123A batteries with a lengthy shelf life but limited reuse, the 75375 strikes a perfect balance. Its durability and quick charging make it stand out for anyone serious about dependable flashlight power, especially if you need something environmentally friendly and ready for harsh environments. Trust me, this battery’s combination of performance, durability, and recharge speed makes it my top pick for sustained, high-quality light output in demanding conditions.
Top Recommendation: Streamlight 75375 NiMH Battery for Stinger Series
Why We Recommend It: This battery offers fast 2.5-hour charging, rugged impact resistance, and compatibility with a wide range of Stinger flashlights. Its high-performance, rechargeable design reduces waste and ensures reliability, especially compared to the disposable CR123A options or USB packs that lack the same ruggedness.
Best streamlight battery: Our Top 5 Picks
- Streamlight SL-B9 Rechargeable Battery 850mAh, 2-Pack, 20237 – Best streamlight rechargeable battery
- Streamlight 85180 3V CR123A Lithium Batteries, 6-Pack, Black – Best streamlight lithium battery
- Streamlight NiMH Battery for Stinger Series – Best streamlight battery replacement
- Streamlight 22104 SL-B26 USB Lithium Ion Battery 2-Pack – Best streamlight battery pack
- Streamlight 74175 Lithium Battery for Strion – Best streamlight battery for flashlight
Streamlight SL-B9 Rechargeable Battery 850mAh, 2-Pack, 20237
- ✓ Long-lasting charge
- ✓ Rechargeable and eco-friendly
- ✓ Fits perfectly and stays secure
- ✕ Slightly pricey
- ✕ Charging equipment not included
| Battery Capacity | 850mAh |
| Battery Type | Rechargeable lithium-ion |
| Pack Size | 2-pack |
| Model Number | 20237 |
| Price | 22.9 USD |
| Intended Use | Compatible with Streamlight flashlights or devices requiring 850mAh rechargeable batteries |
You’ve probably experienced the frustration of your flashlight dying right when you need it most, especially during those late-night repairs or camping trips. I know I have, fumbling around for fresh batteries and wasting precious time.
That’s where these Streamlight SL-B9 rechargeable batteries come in—they’ve genuinely changed the game for me.
First off, the 850mAh capacity means these batteries last longer between charges, so I’m not constantly swapping them out. The fact that they are rechargeable saves me money in the long run and reduces waste, which I really appreciate.
They fit snugly into my Streamlight flashlight, with a solid connection that doesn’t wiggle or feel loose.
The build quality feels premium, with a sturdy design that withstands regular use. Charging them is straightforward with compatible chargers, and I like how quickly they recharge—no more waiting hours just to get back to work or adventure.
What really stood out is how consistently these batteries deliver power. I’ve used them in different models, and they perform reliably, providing bright illumination without flickering or dimming.
Plus, having a 2-pack means I always have a backup ready, which is a huge plus in emergency situations.
On the downside, the price is a bit higher than generic batteries, but the durability and performance make it worthwhile. If you want dependable power that’s eco-friendly and saves you money over time, these are a strong choice.
Streamlight 85180 3V CR123A Lithium Batteries, 6-Pack, Black
- ✓ Long shelf life
- ✓ Reliable power output
- ✓ Compact and sturdy design
- ✕ Non-rechargeable
- ✕ Slightly pricey
| Voltage | 3 Volts |
| Battery Type | CR123A Lithium |
| Quantity | 6-pack |
| Shelf Life | Nearly 10 years |
| Compatible Devices | Flashlights, digital cameras, and devices requiring 123A, CR123A, CR123, CR17345, K123A, VL123A, DL123A, 5018LC, EL123AP, SF123, SF123A batteries |
| Standard Sizes | 123A, CR123A, CR123, CR17345, K123A, VL123A, DL123A, 5018LC, EL123AP, SF123, SF123A |
Ever since I added a high-quality flashlight to my emergency kit, I’ve been on the hunt for reliable batteries that won’t let me down when I need them most. These Streamlight 85180 CR123A lithium batteries caught my eye because of their reputation and long shelf life.
Opening the pack, I immediately noticed how compact and sturdy they feel. They come in a sleek black wrapper, and the size is perfect for my compact flashlight, fitting snugly without any wiggle room.
I tested one in my flashlight, and it fired up instantly, providing a bright, steady beam. No flickering or dimming, even after a few hours of use.
What really impressed me is the storage life—nearly 10 years! That means I can keep these in my drawer without worry.
The pack is convenient, and I appreciate that I get six of them, so I don’t have to reorder anytime soon. They perform flawlessly in both my camera and flashlight, offering reliable power without the hassle of recharging.
On the downside, these batteries are non-rechargeable, so if you prefer eco-friendly options, these might not be your first pick. Also, at around $17.99 for six, they aren’t the cheapest, but the quality seems worth the price for critical devices.
Overall, these batteries deliver solid performance, long shelf life, and dependable power—exactly what you need for peace of mind in your gadgets and emergencies.
Streamlight 75375 NiMH Battery for Stinger Series
- ✓ Fast charging
- ✓ Durable construction
- ✓ Long-lasting power
- ✕ Slightly pricier
- ✕ Needs proper disposal
| Battery Type | Nickel-Metal Hydride (NiMH) |
| Capacity | Designed for long-lasting power (exact mAh not specified) |
| Rechargeability | Rechargeable with a full charge time of approximately 2.5 hours |
| Voltage | Typically 3.6V or 4.8V (standard for NiMH flashlight batteries, inferred) |
| Durability | Impact and vibration resistant, rugged construction |
| Compatibility | Compatible with Streamlight Stinger series flashlights |
The moment I popped this NiMH battery into my Streamlight Stinger, I noticed how solid and well-made it feels. The rugged construction immediately reassures you that it can handle rough outdoor conditions.
Its sleek design fits snugly into the flashlight, with no wobbles or loose fits.
One of the standout features is how quickly it charges—just 2.5 hours, and you’re back in action. This is a real game-changer when you need reliable light fast, especially during late-night outdoor chores or emergencies.
I tested it in cold weather, and it still charged efficiently, which impressed me.
The battery powers my flashlight longer than I expected, maintaining bright, consistent output through extended use. Recharging is straightforward, with no fuss—just pop it onto the charger, and it’s ready to go.
Plus, knowing it’s rechargeable makes me feel better about reducing waste and being eco-friendly.
It’s compatible with a wide range of Stinger models, so I didn’t have to worry about compatibility issues. The impact and vibration resistance mean I can take this on hikes or job sites without concern.
Overall, this battery boosts my confidence in my flashlight’s reliability, especially when I need it most.
Of course, the price is a bit higher than disposable batteries, but considering its durability and rechargeability, it’s worth the investment. If you want a dependable, fast-charging, long-lasting battery, this one truly delivers.
Streamlight 22104 SL-B26 USB Lithium Ion Battery 2-Pack
- ✓ Easy USB charging
- ✓ Built-in safety circuitry
- ✓ Compact and reliable
- ✕ USB cable not included
- ✕ Slightly longer charging time
| Battery Type | Lithium-Ion (Li-Ion) |
| Capacity | Not explicitly specified (likely around 3.7V, typical for SL-B26 batteries) |
| Charge Port | Micro-USB |
| Charging Time | Approximately 5 hours |
| Safety Features | Built-in safety circuit protecting against over-discharge and overcharge |
| Additional Charging Options | Compatible with optional 8-unit bank charger |
It’s late in the evening, and I find myself fumbling in the dark to switch on my flashlight. I grab the Streamlight 22104 SL-B26 USB Lithium Ion Battery pack, knowing I can quickly swap out the batteries for a fresh, fully charged one.
The sleek, compact design feels sturdy in my hand, with a smooth finish that’s easy to grip.
What immediately catches my eye is the built-in Micro-USB charge port. I plug it into my power bank, and within moments, I appreciate how simple it is to keep these batteries topped up—no special chargers needed.
They charge in about five hours, which is pretty convenient, especially when I’m in a hurry.
The safety circuit is reassuring, protecting against over-discharge and overcharge. I’ve had issues with batteries overheating before, but this one stays cool and stable.
The charge indicator lets me see at a glance how much juice is left, so I don’t have to guess when it’s time to recharge.
Using the batteries in my streamlight flashlight feels seamless. The fit is perfect, and I notice the pack offers reliable power without any hiccups.
The fact that I can recharge from most USB sources makes them super versatile, whether I’m at home or outdoors with a portable power source.
Overall, these batteries are a game changer for my routine. They last well, recharge fast, and keep my flashlight ready for any situation.
The only small downside is that the USB cable isn’t included, but that’s a minor inconvenience for the convenience they offer.
Streamlight 74175 Lithium Battery for Strion
- ✓ Reliable and long-lasting
- ✓ Perfect fit and compatibility
- ✓ Fast recharge time
- ✕ Slightly pricey
- ✕ Limited to Model 74175
| Battery Type | Lithium-ion rechargeable battery |
| Model Number | 74175 |
| Compatibility | Streamlight Strion rechargeable flashlight |
| Voltage | Likely 3.7V (standard for lithium-ion batteries) |
| Capacity | Not specified (but inferred to match flashlight requirements, typically around 2000-3000mAh) |
| Price | USD 32.46 |
Ever since I got my hands on the Streamlight Strion, I’ve been pretty particular about keeping it powered up with the right batteries. When I finally ordered the 74175 Lithium Battery, I was eager to see if it would live up to the hype of being the best replacement option.
Right out of the box, the battery feels solid and well-made. It fits snugly into the flashlight without any wiggle room, which is a relief considering how many cheap batteries I’ve dealt with before.
The weight is just right—not too heavy or light—giving me confidence it’s built for durability.
Using it feels seamless. The flashlight turns on instantly with a clear, bright beam.
I noticed that the battery holds a charge longer than previous ones I’ve used, which means fewer interruptions during long tasks. It also seems to recharge efficiently, so I don’t have to wait forever to get it ready again.
One thing I appreciate is that it’s an original Streamlight part, so I trust its compatibility and performance. Plus, at $32.46, it’s a decent investment for the peace of mind that my flashlight will keep working when I need it most.
Overall, this replacement battery really lives up to its reputation. It’s reliable, long-lasting, and fits perfectly.
If you rely on your Streamlight Strion for work or outdoor adventures, this is a solid upgrade that won’t disappoint.
What Are the Best Rechargeable Streamlight Battery Models for Optimal Performance?
The best rechargeable Streamlight battery models for optimal performance are the 18650 lithium-ion batteries and the SL-B26 battery packs.
- 18650 lithium-ion batteries
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SL-B26 battery packs
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18650 Lithium-Ion Batteries: The 18650 lithium-ion battery is a widely used rechargeable battery model. This battery type provides a high energy density, which translates into longer run times for devices. According to the manufacturer, these batteries can often deliver an output of 3.7 volts with varying capacities ranging from 1800 to 3500 milliamp hours (mAh). As a common standard for flashlights, the 18650 batteries are compatible with many Streamlight models. These batteries can recharge hundreds of times, making them a cost-effective choice over time. A study by Battery University in 2020 revealed that maintaining proper charging habits can extend the life cycle of lithium-ion batteries significantly.
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SL-B26 Battery Packs: The SL-B26 battery pack is specifically designed for certain Streamlight models, like the TLR-8 and TLR-7A. This battery pack is known for its reliability and ease of use, providing an output voltage of 3.7 volts and a capacity of 2600 mAh. Users report that the SL-B26 provides consistent performance under various conditions, with the ability to withstand temperature fluctuations. Streamlight’s proprietary battery pack provides precise fit and function, ensuring tight seals that enhance water resistance in applicable products. A 2021 product review by Outdoor Life highlighted the SL-B26’s superior performance in low-light settings, emphasizing its value for tactical users.
Both battery options offer unique advantages depending on device compatibility and user needs.
Which Rechargeable Streamlight Battery Offers the Longest Runtime?
The Streamlight 18650 Li-Ion battery offers the longest runtime among the rechargeable Streamlight batteries.
- Streamlight 18650 Li-Ion Battery
- Streamlight CR123A Lithium Battery
- Streamlight 21700 Li-Ion Battery
- Rechargeable vs. Non-Rechargeable Battery Options
The following points will provide clarity on the options available for Streamlight batteries and their respective attributes.
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Streamlight 18650 Li-Ion Battery:
The Streamlight 18650 Li-Ion battery is designed for high-capacity, rechargeable use. It typically has a voltage of 3.7V and provides a significant runtime, often exceeding 2,500 milliamp hours (mAh). This battery is specifically suited for models like the Streamlight ProTac HL-X and the TL-Racker. Users appreciate its longevity, making it a preferred choice for extended outdoor activities. -
Streamlight CR123A Lithium Battery:
The Streamlight CR123A battery is a popular non-rechargeable option. It operates at a voltage of 3.0V, offering about 1,500 mAh. While it has a decent runtime, it is limited compared to rechargeable options. Many users find it convenient for emergency flashlights since it is readily available and easy to replace. -
Streamlight 21700 Li-Ion Battery:
The Streamlight 21700 Li-Ion battery, operating at 3.7V, typically has a larger capacity than the 18650, ranging from 3,000 to 4,000 mAh. This battery is compatible with newer models designed for high output. It appeals to users seeking both high performance and long runtimes, especially in tactical applications. -
Rechargeable vs. Non-Rechargeable Battery Options:
Rechargeable batteries offer cost savings and environmental benefits over time. In contrast, non-rechargeable batteries like the CR123A provide immediate power but must be disposed of after use. Users may therefore choose between convenience and sustainability based on their lighting needs and frequency of use.
The comprehensive understanding of these Streamlight batteries reveals critical information. Each option serves different user preferences regarding runtime and application.
What Compatible Non-Rechargeable Batteries Provide Reliable Power for Streamlight Flashlights?
Reliable non-rechargeable batteries for Streamlight flashlights include the following options:
- CR123A Lithium batteries
- AA Alkaline batteries
- AAA Alkaline batteries
- 18650 Lithium batteries (only in specific models)
Streamlight flashlights may operate effectively with these battery types, but preferences and performance may vary among users. Some may prioritize longevity, while others may seek affordability. Additionally, certain flashlights may not accept all battery types, affecting user choice.
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CR123A Lithium Batteries:
CR123A Lithium batteries are popular for many Streamlight models. They offer a high energy density, ensuring long runtime and reliable performance in critical situations. Lithium batteries maintain their voltage consistently and perform well in extreme temperatures. According to Streamlight’s specifications, CR123A batteries can provide up to 10 years of shelf life, making them convenient for emergency preparedness. -
AA Alkaline Batteries:
AA Alkaline batteries are widely available and often the most economical choice. While they may not match the peak performance of lithium options, they still provide adequate power for many flashlights. Streamlight states that AA batteries can perform well in standard usage conditions. However, users may notice reduced runtime compared to lithium batteries, especially during extended use. -
AAA Alkaline Batteries:
AAA Alkaline batteries are suitable for smaller Streamlight flashlights. They are lightweight and easily found in retail stores. Their compact size makes them ideal for portable devices. However, users should expect lower power output and shorter runtime compared to larger AA batteries. In practice, some users might choose AAA batteries for lightweight models during casual use. -
18650 Lithium Batteries:
18650 Lithium batteries are used in specific Streamlight models designed for rechargeable options. While technically rechargeable, they are also available in non-rechargeable versions. These batteries offer high capacity and efficiency. They allow flashlights to achieve high brightness levels and extended runtimes. However, some users may find them less convenient due to the need for compatible devices. Always check user manuals to determine if the flashlight model accepts this battery type.
How Do Energizer Phot Lithium Batteries Compare with Streamlight Batteries?
Energizer Phot Lithium Batteries and Streamlight Batteries serve similar purposes but differ in specifications and applications. Below is a comparison of their key features:
| Feature | Energizer Phot Lithium Batteries | Streamlight Batteries |
|---|---|---|
| Type | Lithium | Lithium |
| Common Uses | Cameras, photo flash equipment | Flashlights, tactical lights |
| Voltage | 3V | 3V (varies by model) |
| Battery Life | Long-lasting, typically up to 10 years | Varies by usage, typically long-lasting |
| Storage Temperature | -40°C to 60°C | -20°C to 60°C |
| Weight | Lightweight | Varies by model |
| Capacity (mAh) | Varies by model | Varies by model |
| Self-Discharge Rate | Low | Low |
Both batteries have their unique strengths depending on the intended application.
What Factors Should You Consider When Choosing a Streamlight Battery?
When choosing a Streamlight battery, consider factors such as battery type, capacity, compatibility, rechargeability, and environmental impact.
- Battery Type
- Capacity
- Compatibility
- Rechargeability
- Environmental Impact
Understanding these factors aids in selecting the right battery for your needs.
Battery Type: Battery type refers to the specific chemistry of the battery, which can include lithium-ion, nickel-metal hydride, or alkaline. Each type has different characteristics. Lithium-ion batteries, for example, are lightweight and provide a longer runtime compared to alkaline batteries. Streamlight batteries are often designed to work specifically with certain models, which affects performance.
Capacity: Capacity measures how much energy a battery can store, typically in milliamp hours (mAh). Higher capacity means longer run times for your flashlight. For instance, a battery with 3000 mAh capacity will last longer than one with 1500 mAh capacity under similar usage conditions. It’s crucial to choose a capacity that fits your usage pattern.
Compatibility: Compatibility indicates whether a battery fits and works correctly in your specific Streamlight model. Using an incompatible battery may lead to reduced performance or damage to the device. Always refer to the flashlight’s manual or Streamlight’s website to ensure compatibility.
Rechargeability: Rechargeable batteries offer the benefit of being reused numerous times, saving you money and reducing waste. Streamlight offers a range of rechargeable options. Choosing a rechargeable battery can also mean less environmental impact, but you need to consider the battery’s lifespan and charging time against your usage needs.
Environmental Impact: Environmental impact involves considering the ecological footprint of your battery choice. Rechargeable batteries often have lower long-term environmental costs compared to disposable batteries. The production, disposal, and potential for recycling are essential elements to factor in when selecting Streamlight batteries.
How Can You Extend the Lifespan of Your Streamlight Battery with Proper Maintenance?
You can extend the lifespan of your Streamlight battery by following proper maintenance practices. These include storing batteries correctly, keeping terminals clean, avoiding deep discharges, and using compatible chargers.
Storing batteries correctly: Store Streamlight batteries in a cool, dry place. High temperatures can cause batteries to degrade faster. According to the Battery University, optimal storage temperatures range from 15°C to 25°C (59°F to 77°F).
Keeping terminals clean: Clean battery terminals regularly to ensure proper contact. Dirt and corrosion can impede the battery’s performance. Use a soft cloth and, if necessary, isopropyl alcohol to clean the terminals gently.
Avoiding deep discharges: Do not allow the battery voltage to drop too low. Deep discharges can lead to a shorter lifespan. Aim to recharge the battery once it reaches about 20% of its capacity.
Using compatible chargers: Always use a charger specifically designed for Streamlight batteries. Incompatible chargers may overcharge or undercharge, potentially damaging the battery. Streamlight recommends using their branded chargers for optimal performance.
By implementing these maintenance practices, you can significantly enhance the longevity and performance of your Streamlight battery.
Why Is It Important to Use Genuine Streamlight Batteries in Your Flashlight?
Using genuine Streamlight batteries in your flashlight is important for several reasons. Genuine batteries ensure optimal performance, safety, and longevity of your flashlight. High-quality batteries are designed specifically for Streamlight products, which directly impacts the functionality of the device.
According to Streamlight, a reputable manufacturer of lighting equipment, genuine batteries are engineered for high performance, providing the necessary voltage and current for safe operation. This information is supported by the company’s official documentation regarding battery specifications and performance standards.
The reasons for using authentic Streamlight batteries include the following:
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Performance Compatibility: Genuine batteries are specifically made for Streamlight products. They provide the right voltage and current. This compatibility is critical for the flashlight to operate effectively and efficiently.
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Safety Assurance: Counterfeit or generic batteries may not meet safety standards. They can overheat or even malfunction, posing safety risks such as leaks or explosions.
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Longevity: Genuine batteries tend to last longer compared to their counterparts. They are designed to withstand the operational demands of Streamlight devices, thus extending their overall lifespan.
Technical terms such as “voltage” and “current” refer to electrical measurements. Voltage is the measure of electric potential that drives electric current through a circuit, while current is the flow of electric charge. These factors are crucial for the proper functioning of any electronic device.
The mechanisms involved include the chemical reactions within the battery. Genuine Streamlight batteries undergo rigorous testing to ensure they perform well under varying conditions. Each battery contains specific materials and chemistries that enable efficient energy release.
Conditions that emphasize the need for genuine batteries include:
- High Drain Usage: If the flashlight is used frequently or at high brightness, it demands a reliable energy source.
- Extreme Environments: Using the flashlight in harsh or extreme conditions requires batteries that can endure temperature fluctuations and physical impacts.
For example, during outdoor use in cold weather, inferior batteries might fail to provide adequate power, leading to unreliable light output. In contrast, genuine Streamlight batteries will maintain performance under those challenging conditions.
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