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Item must be in original condition and packaging along with tag, accessories, manuals, and inserts. Unlock any electronic device, delete your account and remove all personal information. |
Returnable | Yes |
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Resolutions | Eligible for refund or replacement |
Return Window | 30 days from delivery |
Refund Timelines | Typically, an advance refund will be issued within 24 hours of a drop-off or pick-up. For returns that require physical verification, refund issuance may take up to 30 days after drop-off or pick up. Where an advance refund is issued, we will re-charge your payment method if we do not receive the correct item in original condition. See details here. |
Late fee | A late fee of 20% of the item price will apply if you complete the drop off or pick up after the ‘Return By Date’. |
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Batteries in a Portable World: A Handbook on Rechargeable Batteries for Non-Engineers, Fourth Edition Paperback – April 29, 2017
Purchase options and add-ons
- Print length360 pages
- LanguageEnglish
- PublisherCadex Electronics Inc.
- Publication dateApril 29, 2017
- ISBN-100968211844
- ISBN-13978-0968211847
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Product details
- Publisher : Cadex Electronics Inc.; 4th edition (April 29, 2017)
- Language : English
- Paperback : 360 pages
- ISBN-10 : 0968211844
- ISBN-13 : 978-0968211847
- Item Weight : 1.14 pounds
- Best Sellers Rank: #380,708 in Books (See Top 100 in Books)
- Customer Reviews:
About the author
![Isidor Buchmann](https://cdn.statically.io/img/m.media-amazon.com/images/I/311yyqCVxBL._SY600_.jpg)
Isidor Buchmann is the founder and CEO of Cadex Electronics Inc. He also created www.BatteryUniversity.com.
Fascinated with electronics during his school years, Isidor built a broadcast radio that ran with no power — it required only an antenna and a ground wire (no battery needed). During his apprenticeship, he invented a fuel-powered engine based on continuous combustion. Felix Wankel, the inventor of the Wankel Rotary Engine, reviewed the drawings and theory of operation and replied that while the design was indeed unique and original, manufacturing would be too expensive for commercialization.
After graduation, Isidor left the farm in Switzerland where he grew up and immigrated to Canada to pursue a career in electronics. When the anticipated job opportunities did not materialize as expected, he pooled his savings and started his a company. In a small room at his house he worked on product developments long into the night while raising a large family.
Isidor envisioned the business model while working at General Electric. NiCd batteries caused many failures, and while repairing two-way radios he discovered a way to rejuvenate them. He developed a battery analyzer that featured the proprietary “recondition” program. To prevent a conflict of interest, Isidor quit his job at GE to devote his full time to the company. The early 1980s were challenging but with perseverance, Cadex eventually flourished.
Isidor knew early on that manufacturing battery analyzers to reverse “memory” had a limited market, and in 2000 Cadex he began researching battery rapid testing. The development secured several key patents and established a leading position for Cadex in the field of advanced battery analysis.
Realizing the growing importance of batteries and the need for practical hands-on battery knowledge, Isidor began writing articles that appeared in over 200 trade magazines. He earned a writer’s award and many articles were translated for global publication. As founder of Cadex, Isidor had the opportunity to present his papers at conferences around the world.
Isidor’s first book entitled Batteries in a Portable World: A Handbook on Rechargeable Batteries for Non-Engineers was published in 1997. He added new material and released the second edition in 2001. When associates asked him to update the information, Isidor obliged and the third edition was published in 2011.
Isidor wanted to share his battery knowledge and he condensed Batteries in a Portable World into short, easy-to-read essays for web use. Today, www.BatteryUniversity.com is an important teaching tool for engineers, academia, media and ordinary battery users. Available since January 2003 and continuously updated, the website addresses battery chemistries, discovers best choice of batteries for a given application, and suggests ways to make them last longer. Isidor is the father of five grown children and lives in the Vancouver suburb of Burnaby.
Isidor and his team at Cadex welcome your questions about batteries and suggestions for BatteryUniversity.com. We can be reached at answers@cadex.com.
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers find the book highly informative and concise, with charts and illustrations that enhance the content. They also describe the writing style as well written, comprehensive, and easy to grasp.
AI-generated from the text of customer reviews
Customers find the book highly informative, comprehensive, and helpful. They also appreciate the clear explanations and concise examinations of all current battery options.
"...written and if you work in a technical field (such as I do), this tome is indispensable...." Read more
"...As for portable batteries : clear explanations about characteristics and differences between types, certainly helpful when confronted with replacing..." Read more
"Kind of an affordable battery bible.Well written , very practical information.A reference in a jungle of information." Read more
"Overall, I found this book to be very informative...." Read more
Customers find the writing style well written, with charts and illustrations that enhance the subject. They also say the book breaks the subject down to an understandable language and is comprehensive and easy to grasp.
"...It is laid out in a manner that is easy to understand and the data is very precise and scientific...." Read more
"Incredibly well written and if you work in a technical field (such as I do), this tome is indispensable...." Read more
"...It is a well written book with charts and illustrations that enhance the text." Read more
"Kind of an affordable battery bible.Well written , very practical information.A reference in a jungle of information." Read more
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Top reviews
Top reviews from the United States
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As for portable batteries : clear explanations about characteristics and differences between types, certainly helpful when confronted with replacing Li types.
The book does get a little technical, but if you're science minded and like graphs-- all the more reason to buy the book. It's well organized, and the table of contents helps you go to the chapters that'll answer your questions quickly.
Top reviews from other countries
![](https://images-na.ssl-images-amazon.com/images/S/amazon-avatars-global/default._CR0,0,1024,1024_SX48_.png)
Este livro trás informações detalhadas que acabam com as lendas que encontramos na Internet.
Nada de carregar até 100% e descarregar até zero como algumas pessoas juram que é a maneira certa de fazer e que no final acabam com uma bateria que dura cada vez menos. Para quem troca de telefone todo ano, não faz diferença, mas para mim que uso o mesmo aparelho por muitos anos, a bateria durar hoje o mesmo que ela durava quando o aparelho era novo, faz muita diferença.
O resumo para facilitar, é carregar até 65% e descarregar até 30% ou 20%.
Com isso o celular vai ter a mesma autonomia por muitos anos, mesmo que precise carregar 2 vezes ou mais por dia. E dependendo do seu celular, cada carga vai levar apenas 30 ou 60 min na velocidade lenta.
Mas isso não é tudo e o livro trás mais informações importantes que lidam com os fatores de stress dos vários tipos de baterias em uso. Ele tem ótimas explicações sobre a relação entre carga máxima, profundidade de descarga e vida útil para os vários tipos de baterias. Não apenas as de celular.
Para tirar o maior proveito, leia do começo ao fim.
Há fabricantes que permitem ajustar seus aparelhos para carregar até 65%. Eu já fiz esse ajuste em notebooks. Estou esperando esse ajuste aparecer nos celulares também. Até lá, eu uso um app que me avisa que a bateria carregou até 65% e então puxo o cabo.
Boa leitura.
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