「Power Systems」KDP 类目数据
Amazon 纸书「Power Systems」类目的畅销榜数据(11月2日更新):中位价格 $29.95,评论中位数 3,平均评分 4.5,KDPTop 机会分 27/100(竞争很激烈)。
27机会分 / 100
$29.95中位价格
3评论中位数
| 价格区间(中间 50%) | $17.99 – $46.53 |
|---|---|
| 平均评分 | 4.5 |
| 近 90 天新书占比 | 32% |
| 榜单书数 | 100 |
| 所属分类 | 纸书 |
数据解读
- 评论门槛只有上级类目「Energy Production & Extraction」的 2%(169 条),是它下面更好进的一块。
- 近 90 天新书占比 32%,高于 97% 的纸书类目,读者在持续买新书。
- 评论门槛低于 94% 的纸书类目:畅销书评论中位数只有 3 条,新书靠少量评论也能上榜。
「Power Systems」畅销榜 Top 10
-
Prepare Your Home for a Sudden Grid-Down Situation: Take Self-Reliance to the Next Level with Proven Methods and Strategies to Survive a Grid-Down ... the Modern Family to Prepare for Any Crisis)
作者 Ted Riley
- 榜单排名#1
- 价格$14.99
- 评分4.5
- 评论1,460
-
The Off-Grid Living Blueprint: Complete & Proven DIY Solutions to Achieve 100% Self-Sufficiency. Secure All Essential Resources, Fortify Your Home & Safeguard Your Family’s Future Through Any Crisis
作者 Jim K. Rockwell
- 榜单排名#2
- 价格$33.95
- 评分4.4
- 评论875
-
The Off-Grid Survival Bible: Build Freedom, Secure Resources and Protect Your Home and Family in Any Crisis with Simple, Step-by-Step DIY Projects – With Budget-Friendly Materials
- 榜单排名#3
- 价格$29.90
- 评分4.7
- 评论395
-
Off-Grid Survival Projects for Beginners: A Step-by-Step DIY Guide to Achieving Self-Sufficiency, Generating Power, and Thriving in Any Crisis—All in 30 Days or Less
作者 P. Joseph Richards
- 榜单排名#4
- 价格$16.99
- 评分4.7
- 评论194
-
The Practical Prepper’s Survival Bible: Your Complete Guide To Crisis Preparation With 100+ No Grid Survival Projects, Homesteading, Canning, Off Grid Living, Medicine, Water Filtration & More
作者 Cole Barrett
- 榜单排名#5
- 价格$29.95
- 评分4.6
- 评论602
-
ENERGY REVOLUTION SYSTEM HANDBOOK: Learn to Design, Size, and Integrate Solar, Wind, Battery Storage, and Electrification Projects with Worked Examples
作者 Evan C. Halden
- 榜单排名#6
- 价格$59.99
- 评论-
-
Gasifiers Wood Gasification & Off Grid Power: A Beginners Guide
作者 George Eccleston
- 榜单排名#7
- 价格$25
- 评分4.5
- 评论114
-
Off Grid Home Building Essentials: A Comprehensive Planning Handbook for House Options, Solar, Wind, Water, Heating and Cooling--Self-Sufficiency Projects for Off Grid Living! (Off Grid Essentials)
作者 John Utterback
- 榜单排名#8
- 价格$17
- 评分4.4
- 评论142
-
The DIY Guide to Off Grid Survival Projects: Step-by-Step Manual to Achieve Self Sufficiency, Prepare for Emergencies, and Build a Sustainable Life With Lasting Confidence
作者 Suzy Cash
- 榜单排名#9
- 价格$21.62
- 评分4.7
- 评论172
-
Portable Solar Generator Manual for Beginners: Step-by-Step Instructions for Connecting Panels, Charging Batteries, Managing Loads, Operating Outlets, and Avoiding Electrical Hazards
作者 Raymond C. Powerford
- 榜单排名#10
- 价格$19.99
- 评分5.0
- 评论1
常见问题
「Power Systems」适合做 KDP 吗?
KDPTop 机会分 27/100,属于竞争很激烈。畅销榜中位数书有 3 条评论,中位价格 $29.95。
在「Power Systems」上榜需要多少评论?
畅销榜书的评论中位数是 3,88% 的书不到 100 条评论。
「Power Systems」的书定价多少合适?
中位价格 $29.95,一半的畅销书定价在 $17.99–$46.53 之间。
新书能进「Power Systems」畅销榜吗?
当前畅销榜里 32% 的书是近 90 天的新书。
数据说明
数据来自 KDPTop 每天对 Amazon 公开榜单页面的抓取,中位数基于最新一期畅销榜。机会分综合了评论门槛、低评论书占比、榜单更替、新书占比和价格,0–100 分,越高越容易进入。