News, comparisons, guides, features and reviews: everything to choose and get the most from your batteries, power banks, power stations & solar panels.
Welcome to the Best Batteries blog. For more than ten years, mobile energy has been our job: power banks, portable power stations, solar panels, cells and chargers hold no secrets for our team. This blog is where we share that expertise, not to drown you in technical detail, but to help you make the right choices, with confidence. You will find five main families of articles: News to follow launches and market trends; Comparisons to settle the models, methodology in hand; Guides to answer your practical questions (runtime, safety, charging, maintenance); Insights to understand in depth the technologies and stakes of portable energy; and Reviews, where a single device fills the whole page: what its headline figures are really worth, what it does well and what it does badly. Enjoy the read, and feel free to explore our product pages to go from theory to purchase. · 410 articles
We have been publishing one detailed review per portable power station for months, product by product. This page brings all fifty together for the first time in a single ranking, scored with the same grid for every model. You will find the podium, one winner per use case, the detail of the top ten, and a sortable table of the fifty models with their sub-scores.
Published on July 20, 2026 by Julien
About 40% cheaper than a genuine Makita LXT battery, this compatible battery fits the whole range without issue, but an honest compatible in this category typically delivers only around 64% of its stated capacity.
Published on September 11, 2026 by Julien
Around 25% cheaper than a genuine Bosch battery of the same stated capacity, this compatible 18V battery belongs to a category where real-world capacity typically disappoints against the figure printed on the box.
Published on September 11, 2026 by Julien
87% more power promised by Bosch: a gain that holds up mainly on demanding tools under sustained use, and is more modest on light tasks, for this flagship battery in the 18V Professional system.
Published on September 11, 2026 by Julien
A claimed capacity that does not overstate itself against the Sony rated figure, and a price around 64% below the genuine battery: the compatible Otech ticks reassuring boxes on paper, but no independent data can verify its real-world performance.
Published on September 11, 2026 by Julien
2280 mAh claimed, a real capacity that reaches 99% of the rated figure and even outpaces newer compatible rivals advertising a higher number: the official NP-FZ100 remains the benchmark for Sony's high-end mirrorless cameras.
Published on September 11, 2026 by Julien
A real capacity that comes close to 95% of its rated value, and flawless recognition by the camera body: the official NP-FW50 remains the safe bet for extending a day's shoot on an APS-C Alpha or an early full-frame Alpha.
Published on September 11, 2026 by Julien
Up to 64% more runtime on a power-hungry device, but barely 5% on a clock: the gain from the Ultimate Lithium AA depends entirely on the device it powers, a point marketing never spells out.
Published on September 11, 2026 by Julien
930 mAh confirmed and good thermal behaviour under charge: the Eneloop Pro AAA reuses the formula of its bigger AA sibling, with the same deliberate trade-off between high capacity and a reduced cycle count.
Published on September 11, 2026 by Julien
A genuine 2500 mAh with a real advantage for power-hungry devices, but a cycle count that drops off far faster than the standard Eneloop, and a diameter at the top end of the AA tolerance that can be a tight fit in some devices.
Published on September 11, 2026 by Julien
800 mAh as the typical rating, 750 mAh as the guaranteed minimum: the Eneloop AAA shares the strengths of its bigger AA sibling, along with one quirk of its own tied to the smaller size, the sometimes fussy compatibility of certain entry-level chargers.
Published on September 11, 2026 by Julien
Its charge retention promise holds up well, but the real cycle count falls far short of the 2100 recharges advertised: the Eneloop AA earns its reputation, as long as you do not take the marketing figure at face value.
Published on September 11, 2026 by Julien
No battery inside, a needle that reacts within a second, and a three-colour dial: the D-FantiX BT-168 tester banks on simplicity, with a genuine reading under load rather than a simple no-load voltage.
Published on September 11, 2026 by Julien
