本来この18650電池をモバイルバッテリーとして利用するには、専用の充電ボックスや給電のための専用ケーブルが必要だ。今回ご紹介する18650型USB ...

3000mAhクラスのモバイルバッテリーと比較するとかなり軽量 今回、筆者が衝動買いした18650電池は容量が3400mAhで実測重量は充電と給電の両 ...

18650 Rechargeable Battery slot and MicroSD Card slot. It empowers user to create wide range of innovative projects with ease. Integrate multiple sensors for detection and control, leverage the ...

French researchers have announced a prototype of an 18650 sodium-ion battery. If you’ve bought a powerful LED flashlight, a rechargeable battery pack, or a–ahem–stronger than usual LASER ...

Draining a battery is easy. Just put a load across the ... a holder for a single 18650 cell, and a rocker switch to connect it all together. But wait, what’s that a TP4056 charging module ...