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Erikwong

Erikwong

@erikwong
Joined Apr 2026 Shenzhen, China www.anpsglobal.com/
26 Writeups
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Erikwong posted a new writeup in Work Nov 6, 2026
Best Rechargeable Batteries for Solar Lights: A Practical Guide for Wholesale Buyers
Work Best Rechargeable Batteries for Solar Lights: A Practical Guide for Wholesale Buyers

Best Rechargeable Batteries for Solar Lights​If you’ve been sourcing solar lights for a while, you’ve probably noticed something interesting.Many buyers spen...

Erikwong
Erikwong · 9 min read
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Erikwong posted a new writeup in How To Nov 5, 2026
Top 5 Long-Endurance Drone Batteries for Industrial Applications in 2025
How To Top 5 Long-Endurance Drone Batteries for Industrial Applications in 2025

As industrial drone applications continue to expand, long flight endurance has become a key concern for users across various sectors. Whether for agricultura...

Erikwong
Erikwong · 8 min read
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Erikwong posted a new writeup in Design Nov 3, 2026
Protected 18650 Battery Size and Dimensions: What Buyers Should Check
Design Protected 18650 Battery Size and Dimensions: What Buyers Should Check

A protected 18650 battery may fit the same general category as a standard 18650 cell, but its actual dimensions can be different. The added protection circui...

Erikwong
Erikwong · 17 min read
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Erikwong posted a new writeup in Marketing Nov 2, 2026
What Are the Best 18650 Rechargeable Batteries? Here’s What Actually Matters
Marketing What Are the Best 18650 Rechargeable Batteries? Here’s What Actually Matters

If you’ve spent time searching for the best 18650 rechargeable batteries, you’ve probably noticed how confusing the market has become. Every seller claims th...

Erikwong
Erikwong · 13 min read
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Erikwong posted a new writeup in Design Oct 14, 2026
18650 Battery Series and Parallel: Understanding S and P Configurations
Design 18650 Battery Series and Parallel: Understanding S and P Configurations

When several 18650 cells are combined into one battery pack, the cells can be connected in series, parallel, or a combination of both.This is where terms suc...

Erikwong
Erikwong · 22 min read
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Erikwong posted a new writeup in Design Oct 13, 2026
Using 18650 Batteries for E-Bike Battery Packs: A Practical Guide
Design Using 18650 Batteries for E-Bike Battery Packs: A Practical Guide

18650 lithium-ion cells have been used in many rechargeable battery packs for years, including portable electronics, power equipment, and electric mobility p...

Erikwong
Erikwong · 25 min read
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Erikwong posted a new writeup in Design Oct 12, 2026
Using 18650 Batteries for E-Bike Battery Packs: A Practical Guide
Design Using 18650 Batteries for E-Bike Battery Packs: A Practical Guide

18650 lithium-ion cells have been used in many rechargeable battery packs for years, including portable electronics, power equipment, and electric mobility p...

Erikwong
Erikwong · 8 min read
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Erikwong posted a new writeup in Design Oct 10, 2026
High Capacity vs High Discharge 18650 Batteries: How to Choose the Right Cell
Design High Capacity vs High Discharge 18650 Batteries: How to Choose the Right Cell

When buying 18650 lithium-ion battery cells, capacity is often the first specification people compare. A 3500mAh cell appears more attractive than a 2500mAh ...

Erikwong
Erikwong · 22 min read
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Erikwong posted a new writeup in Future Oct 9, 2026
Buying 18650 Batteries in Bulk: What Wholesale Buyers Should Check
Future Buying 18650 Batteries in Bulk: What Wholesale Buyers Should Check

Buying few 18650 cells for testing is very different from buying thousands for production.A sample order can help confirm dimensions, capacity, discharge per...

Erikwong
Erikwong · 5 min read
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Erikwong posted a new writeup in Design Sep 7, 2026
Button Top vs. Flat Top 18650 Batteries: What Is the Difference?
Design Button Top vs. Flat Top 18650 Batteries: What Is the Difference?

Button top and flat top 18650 batteries use the same basic cylindrical format, but their positive terminals are different. That small difference can determin...

Erikwong
Erikwong · 18 min read
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Erikwong posted a new writeup in Design Sep 5, 2026
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 Sep 3, 2026
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 Sep 2, 2026
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 Sep 1, 2026
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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