SKU: 68265559391

HKM-960339 Portable 296Wh Power Bank with Solar Charging and USB Output for Outdoor Use

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Description

HKM-960339 Portable 296Wh Power Bank with Solar Charging and USB Output for Outdoor UseIntroducing the HKM 960339 Portable 296Wh Power Bank, your essential power solution for outdoor adventures. This compact and lightweight power bank is designed to meet the needs of outdoor enthusiasts, providing a reliable energy source wherever your journey takes you. With a generous capacity of 296Wh (80000mAh, 3. 7V), the HKM 960339 ensures you have the power to keep essential devices charged. Measuring only 251mm x 100mm x 100mm (9. 88in x 3. 94in

Introducing the HKM-960339 Portable 296Wh Power Bank, your essential power solution for outdoor adventures. This compact and lightweight power bank is designed to meet the needs of outdoor enthusiasts, providing a reliable energy source wherever your journey takes you.

With a generous capacity of 296Wh (80000mAh, 3.7V), the HKM-960339 ensures you have the power to keep essential devices charged. Measuring only 251mm x 100mm x 100mm (9.88in x 3.94in x 3.94in) and weighing approximately 2.2kg (4.85lbs), it's built for portability without sacrificing performance. Constructed with high-quality lithium-ion batteries, this power bank delivers dependable and effective power storage.

The HKM-960339 provides multiple charging options to accommodate various devices. It features USB-C and USB outputs, enabling you to connect and charge different gadgets with ease. The USB-C ports can deliver up to 100W (PD) for rapid charging, while the three USB outputs equipped with QC 3.0 technology offer a maximum output of 18W, ideal for quickly powering up your devices in no time.

Solar charging capability sets the HKM-960339 apart, supporting solar input through its Type-C connection. With a maximum solar charge input of 100W, you can take advantage of sunlight to replenish the battery during longer excursions, making it a perfect choice for camping or hiking trips.

Additionally, this power bank features a built-in retractable light with three brightness settings—Weak, Strong, and SOS—providing up to 200 lumens of illumination when you need it most. Built to operate efficiently in various temperatures, it can withstand conditions as low as -10°C and as high as 40°C, ensuring functionality wherever you go.

The HKM-960339 Portable 296Wh Power Bank is designed for longevity, boasting a lifecycle of over 500 charge cycles. Whether you are hiking in the mountains or enjoying a weekend camping trip, this power bank will keep you powered up and ready for any adventure that comes your way. Choose the HKM-960339 for a reliable companion to meet all your outdoor power needs.

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SKU: 68265559391

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4.9 ★★★★★
Based on 28 reviews
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Product Reviews
R
Ryan Meyer
Lake Worth, US
★★★★★ 3
A Broad Overview, But Light on Modern Fine-Tuning
Format: Paperback
I'm currently really interested in fine-tuning LLMs and recently completed my first LoRA-based fine-tuning on a quantized model. I came to this book looking for more detail on fine-tuning. While it touches on the topic, I found the content didn’t quite align with the current state of the field in 2025. Techniques like LoRA, QLoRA, and PEFT weren’t really covered, and the material leaned more toward what I think are older or lower level approaches. That made it harder to connect with what I’m actually working on. That said, when I shifted to other chapters — like the sections on prompt engineering techniques such as Chain of Thought (CoT) and Tree of Thought (ToT) — I found more value. These sections were clearer, and I picked up a few practical insights, like using few-shot examples that walk through the CoT reasoning process. That’s not something I’ve tried before, and I can see how it might help smaller models that struggle with any type of reasoning tasks. Overall, the book feels more like a broad overview of all LLM concepts. For someone exploring many topics across the LLM ecosystem, it offers a wide-ranging introduction. But for readers like me who are actively trying to learn and apply techniques like fine-tuning and quantization, it may leave you wanting up-to-date guidance.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 10, 2025
V
Vineeth Sai
Phoenix, US
★★★★★ 5
Great foundation read for security!
Format: Paperback
This book is a great read! It builds a strong foundation and I would highly recommend it for builders who are interetsed in building on LLMs and ensuring everything is secure. Security is super important and this book does it justice!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 27, 2025
C
Verified Purchase
CL
Boise, US
★★★★★ 5
Loved it
Format: Paperback
I’ve easily read dozens of tech books. I liked this one a lot. Sure, there were boring parts, but most of it was engaging, especially on dry subjects. I previously read “How AI Works” and found this more informative and way more enjoyable. I got through the 700 pages in about 5 weeks while also learning about probability and linear algebra from other books and online sources. I’d love to read something more advanced by the author, maybe getting into more modern applications. I feel more comfortable with the subject and feel I am now ready to conquer more advanced texts. I initially picked this up to give me some background before reading “How to Build a LLM (from scratch)”. I’ve ordered an intermediary Deep Learning with Python book as well, but wouldn’t mind a more advanced theory book to accompany these books. I’ll definitely be rereading sections of this book to further familiarize myself with topics like backpropagation. Highly recommend if you’re looking for a gentle, but broad introduction to the topic.
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Reviewed in the United States on November 14, 2025
A
Verified Purchase
Amazon Customer
Boise, US
★★★★★ 5
A Good Place to Start Learning AI
Format: Paperback
Diving into the world of artificial intelligence can feel like stepping into a vast, uncharted ocean, and if you're looking for a reliable vessel to navigate these waters, this book is an excellent choice. However, I must be candid—this journey is not for the faint-hearted or those hoping to breeze through. The subject of AI, with its complex algorithms and intricate theories, is notoriously challenging. You won't find yourself flipping pages at a rapid pace, as this is not a title designed for speed-reading. Instead, it demands your full attention and a willingness to engage deeply with the material. At the heart of AI lies mathematics—a fundamental pillar that underpins the entire discipline. This book, while comprehensive, offers only a glimpse into the mathematical framework that drives artificial intelligence. But don’t be disheartened by this. Think of it as a solid foundation, a primer that will arm you with the essential concepts needed before you delve deeper into the more advanced mathematical intricacies elsewhere. When you do eventually tackle those more complex equations, you'll find yourself better equipped, with a clearer understanding of the principles at play. I should also mention that I'm no stranger to Andrew's work. Having explored some of his other writings, I can confidently say that he possesses a unique flair for communication. His ability to distill complex ideas into accessible language, without losing the essence of the subject, is truly commendable. Andrew writes with a certain finesse and sophistication that makes even the most daunting topics seem approachable. His style is not just informative, but also engaging, with a touch of elegance that sets his work apart from others in the field. In summary, while the path to mastering AI is undeniably steep, this book serves as an invaluable guide. It’s not just a starting point; it’s a beacon for those who are serious about understanding the intricacies of artificial intelligence. Be prepared to invest time and effort, and in return, you'll gain a solid foothold in a subject that is as fascinating as it is complex.
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Reviewed in the United States on September 2, 2024
M
Verified Purchase
MrGee
Battle Creek, US
★★★★★ 5
An enjoyable, and seriously excellent, path to understanding Deep Learning...
Format: Paperback
Deep Learning is changing our world. If you want to understand more, this is a great place to start. Andrew Glassner is a talented explainer - I took his short course on Deep Learning and learned so much, but also came away impressed at how well he can make complex material so clear and engaging. And this book is jammed packed with insights, visuals, and clear explanations. The author has a playful, sometimes quirky style that shines through, which gives this tour a lot of personality as well as information. Very enjoyable reading - I felt like he captured all that was good about his course (and then some) and bottled it up in this book. There is a lot more material here than in that course, and it is well laid-out and organized so that it is easy to roam around and come back to review the pieces that matter to you. Even if you plan to go to on to be a world-class Deep Learning engineer or mathematician, you have to start by understanding the concepts. And this book does a great job of presenting all the core ideas in a way that makes them clear and memorable.
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Reviewed in the United States on August 5, 2021

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