Erikwong

Erikwong

@erikwong
Joined Apr 2026 Shenzhen, China www.anpsglobal.com/
18 Writeups
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Erikwong posted a new writeup in Design 4h ago
18650 Battery Voltage: Why 3.6V and 3.7V Are Not Really Two Different Batteries
Design 18650 Battery Voltage: Why 3.6V and 3.7V Are Not Really Two Different Batteries

Most 18650 lithium-ion cells are described with a nominal voltage around 3.6V or 3.7V, but the cell does not stay at that voltage during use. Understanding n...

Erikwong
Erikwong · 16 min read
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Erikwong posted a new writeup in Design 2d ago
21700 Battery Pack for Drone: A New Solution for Longer Flight Time
Design 21700 Battery Pack for Drone: A New Solution for Longer Flight Time

When people talk about drone batteries, LiPo usually comes up first.That makes sense. LiPo packs can deliver a lot of current, which is exactly what many mul...

Erikwong
Erikwong · 15 min read
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Erikwong posted a new writeup in Design 3d ago
Custom Drone Battery Pack Manufacturer: OEM Solutions for UAV Companies
Design Custom Drone Battery Pack Manufacturer: OEM Solutions for UAV Companies

Drone battery is easy to buy when the aircraft is already on the market.You find a battery with the right voltage, capacity and connector, place an order, an...

Erikwong
Erikwong · 18 min read
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Erikwong posted a new writeup in How To 4d ago
Agriculture Drone Battery: How to Choose the Right Battery Pack
How To Agriculture Drone Battery: How to Choose the Right Battery Pack

An agriculture drone has a very different working day from a normal camera drone.It may take off with a full tank, fly low over a field, spray for several mi...

Erikwong
Erikwong · 16 min read
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Erikwong posted a new writeup in Design Aug 14, 2026
What Makes a Good Commercial UAV Battery? Key Factors Drone Manufacturers Should Know
Design What Makes a Good Commercial UAV Battery? Key Factors Drone Manufacturers Should Know

When people evaluate a drone, they often look at the camera quality, flight controller, communication range, or payload capability.The battery usually stays ...

Erikwong
Erikwong · 11 min read
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Erikwong posted a new writeup in Design Aug 13, 2026
Do All Drone 3.7V LiPo Batteries Have the Same Connector?
Design Do All Drone 3.7V LiPo Batteries Have the Same Connector?

When drone company develops a new UAV, battery safety is often discussed after performance.The team may first focus on:“How long can it fly?”“How much payloa...

Erikwong
Erikwong · 10 min read
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Erikwong posted a new writeup in Design Aug 12, 2026
ow to Choose the Right Voltage and Capacity for UAV Battery?A Practical Guide for Drone Manufacturers
Design ow to Choose the Right Voltage and Capacity for UAV Battery?A Practical Guide for Drone Manufacturers

How to Choose the Right Voltage and Capacity for a UAV Battery?When drone manufacturer starts designing a new UAV, battery selection is usually not as simple...

Erikwong
Erikwong · 10 min read
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Erikwong posted a new writeup in Design Aug 11, 2026
Do All Drone 3.7V LiPo Batteries Have the Same Connector?
Design Do All Drone 3.7V LiPo Batteries Have the Same Connector?

A common question from drone users is: “I have a 3.7V LiPo battery. Can I just buy another 3.7V battery and plug it in?”It sounds reasonable, but the answer ...

Erikwong
Erikwong · 10 min read
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Erikwong posted a new writeup in Design Aug 5, 2026
Best Rechargeable Batteries for Solar Lights: What Solar Lighting Buyers Should Check Before Ordering
Design Best Rechargeable Batteries for Solar Lights: What Solar Lighting Buyers Should Check Before Ordering

When buying solar lights, many people first look at the LED brightness, solar panel size, or housing design. The battery is usually hidden inside the product...

Erikwong
Erikwong · 11 min read
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Erikwong posted a new writeup in Design Jul 22, 2026
Certifications Needed for Power Tool Battery Export (UN38.3, CE, etc.)
Design Certifications Needed for Power Tool Battery Export (UN38.3, CE, etc.)

The first time I joined a meeting about exporting power tool batteries, I expected people to spend most of the discussion talking about capacity, cycle life,...

Erikwong
Erikwong · 10 min read
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Erikwong posted a new writeup in Environment Jul 17, 2026
2000mAh vs 3000mAh 18650 Cells for Power Tools Comparison
Environment 2000mAh vs 3000mAh 18650 Cells for Power Tools Comparison

In factories and job sites, there is a question that comes up again and again.“Should we use 2000mAh or 3000mAh 18650 cells?”On paper, it sounds like a simpl...

Erikwong
Erikwong · 6 min read
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Erikwong posted a new writeup in Design Jul 16, 2026
18650 Battery for Power Tools: Why High Discharge Rate Matters More Than You Think
Design 18650 Battery for Power Tools: Why High Discharge Rate Matters More Than You Think

Not long ago, a customer sent us a short video from his production line.Several cordless impact drivers were being tested one after another. Everything looke...

Erikwong
Erikwong · 8 min read
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Erikwong posted a new writeup in Design Jul 15, 2026
18650 Battery for Power Tools: High Discharge Rate Explained
Design 18650 Battery for Power Tools: High Discharge Rate Explained

 author:admininBlog, Buying GuideIf you ask someone on a job site what makes a cordless grinder feel “strong,” they rarely talk about milliamp-hours.The...

Erikwong
Erikwong · 9 min read
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Erikwong posted a new writeup in Design Jul 14, 2026
18650 Battery Performance in Heavy-Duty Tools Applications | OEM & Wholesale Guide
Design 18650 Battery Performance in Heavy-Duty Tools Applications | OEM & Wholesale Guide

 author:admininBlogWalk onto almost any construction site and you’ll quickly notice one thing: heavy-duty cordless tools ask much more from a battery th...

Erikwong
Erikwong · 9 min read
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Erikwong posted a new writeup in Technology Jun 9, 2026
What Are the Dimensions of 18650 Battery?
Technology What Are the Dimensions of 18650 Battery?

If you’ve ever searched for lithium batteries for flashlights, laptops, power tools, or battery packs, you’ve probably come across the 18650 battery. It’s on...

Erikwong
Erikwong · 8 min read
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Erikwong posted a new writeup in Technology Jun 8, 2026
How Are Lithium Ion Pouch Batteries Connected?
Technology How Are Lithium Ion Pouch Batteries Connected?

When people first see a lithium-ion pouch battery, it usually looks surprisingly simple. It’s flat, lightweight, and doesn’t have the hard metal shell you’d ...

Erikwong
Erikwong · 14 min read
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Erikwong posted a new writeup in Business Jun 2, 2026
How Are Lithium Ion Pouch Batteries Connected?
Business How Are Lithium Ion Pouch Batteries Connected?

When people first see a lithium-ion pouch battery, it usually looks surprisingly simple. It’s flat, lightweight, and doesn’t have the hard metal shell you’d ...

Erikwong
Erikwong · 14 min read
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Erikwong posted a new writeup in Technology May 21, 2026
Best LiPo Battery for Drone: How to Pick One That Actually Works
Technology Best LiPo Battery for Drone: How to Pick One That Actually Works

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 actu...

Erikwong
Erikwong · 6 min read
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Erikwong posted a new writeup in Science / Technology May 15, 2026
Build Lithium Battery Pack for Energy Storage: From Cell Selection to Bulk Supply
Science / Technology Build Lithium Battery Pack for Energy Storage: From Cell Selection to Bulk Supply

If 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 makin...

Erikwong
Erikwong · 8 min read
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Erikwong posted a new writeup in Science / Technology May 14, 2026
18650 Battery for OEM Projects: How to Choose the Right Specification
Science / Technology 18650 Battery for OEM Projects: How to Choose the Right Specification

If 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-te...

Erikwong
Erikwong · 7 min read
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