Nội dung mới nhất bởi erikwong

Lithium batteries have become a staple in everyday electronics thanks to their high energy density, large capacity, and long service life. From personal gadgets to electric vehicles, these batteries are everywhere. Here’s a breakdown of their sizes, models, and parameters that I find useful when...

Honestly, when I first started flying drones, I had no idea how much the battery matters. You might think “as long as it flies, it’s fine,” but once you actually fly, especially FPV or racing drones, you’ll see that the battery controls how long you can stay in the air, how smooth the flight...

Honestly, when I first started flying drones, I had no idea how much the battery matters. You might think “as long as it flies, it’s fine,” but once you actually fly, especially FPV or racing drones, you’ll see that the battery controls how long you can stay in the air, how smooth the flight...

f you’re planning to build a lithium battery pack for solar systems, industrial equipment, or OEM projects, the biggest challenge is not assembly—it’s making the right decisions before you even start. Most battery failures don’t come from wiring mistakes. They come from wrong cell selection...

f you’re working on an OEM project, choosing the right 18650 battery is not just about picking a spec. It affects your product performance, cost, and long-term reliability. Many buyers start with capacity or price. But in real projects, the decision usually goes deeper than that. If you’re...

When people compare 18650 batteries, most start with capacity. 2200mAh, 2600mAh… numbers are easy to understand. But once you actually start testing cells or building packs, you’ll notice something: Internal resistance matters just as much — sometimes more. What Internal Resistance Really...

18650 3.7V 2200mAh Battery Price: Why the Difference Is So Big If you’ve already requested a few quotes for 18650 3.7V 2200mAh batteries, you’ve probably noticed one thing: The prices are never the same. Same specification. Same 3.7V. Same 2200mAh capacity. But the cost can vary a lot between...

author： admin in Blog 1. Basic Battery Requirements for UAVs As UAVs expand across agriculture, logistics, security, and mapping industries, their battery systems must meet these fundamental criteria: High energy density: for extended flight durations Lightweight design: to reduce aircraft load...

If you’ve requested quotes for a 12V 18650 battery pack, you’ve probably seen something confusing: Same spec. Same “4400mAh”. But prices range from $6 to $18 . So what’s going on? This isn’t random pricing. It usually comes down to what’s inside the battery — and what the supplier isn’t...