Streamlight SL-B50 Battery Pack Review
As an outdoor enthusiast, I’ve had the pleasure of testing a wide range of products designed to keep me safe and equipped in the wilderness. The Streamlight SL-B50 Battery Pack is one such product that has left me impressed. In this review, I’ll delve into the features, performance, and overall value of this battery pack, highlighting its pros and cons to help you make an informed decision.
Design and Build Quality
The SL-B50 resembles a sleek, compact cylinder with a textured, rubberized surface providing a comfortable grip. Its sturdy construction with a ruggedized poly-carbonate casing is designed to withstand the rigors of outdoor use. The battery pack is both durable and lightweight, weighing in at approximately 11.6 ounces (330 grams). It measures 5.5 inches (139 mm) in length and 1.5 inches (38 mm) in diameter. For its size, the SL-B50 feels surprisingly substantial in the hand.
Key Features
- High-Energy CR123A Lithium Batteries: These batteries provide a reliable source of power for your devices, with a capacity of 3.7V, 2500mAh, and 13.5 Wh.
- Dual 123/FR3 Compartment: The SL-B50 accommodates two AA/CR123 batteries, giving you the flexibility to power multiple devices or swap out dead batteries.
- USB Charging Port: A convenient USB port allows for fast and efficient charging, ensuring you’re always powered up and ready to go.
- LED Indicators: Two LED lights on the front of the unit indicate the battery status: one for when batteries are inserted and the other for when they’re charged.
- Rugged Design: The SL-B50’s texture and shape provide a secure grip, even when wet or gloved up.
- Anodized Aluminum Bottom: The bottom plate is anodized for added durability and resistance to corrosion.
Performance
The Streamlight SL-B50 Battery Pack has exceeded my expectations in terms of performance. I’ve used it with a variety of devices, including headlamps, flashlights, and electronic equipment. The high-energy CR123A lithium batteries provided a consistent and reliable power source, with minimal self-discharge and no memory effect. The USB charging port worked seamlessly, and I appreciated the ability to check battery status at a glance with the LED indicators.
Pros and Cons
Pros:
- Durable and lightweight design
- Reliable and high-capacity batteries
- Convenient USB charging port
- Versatile dual 123/FR3 compartment
- LED indicators show battery status
- Rugged construction
- Excellent value for the price
Cons:
- No internal recharging (batteries must be replaced or recharged externally)
- Limited compatibility with some devices (check manufacturer compatibly list)
- No built-in stabilizing mechanism for keeping the unit secure in tight spaces
Conclusion
The Streamlight SL-B50 Battery Pack is an excellent choice for outdoor enthusiasts, emergency responders, and professionals who require a reliable and versatile power source. Its durable design, high-capacity batteries, and convenient charging options make it an excellent value for the price. While it may not be perfect, the SL-B50’s pros far outweigh its cons, making it an excellent addition to any emergency kit or backpack. If you’re in the market for a battery pack that can keep up with your adventures, the Streamlight SL-B50 is definitely worth considering.
