Portable AA 1.5V AAA Rechargeable Battery Charger with 4 Slots

Rechargeable batteries come in different shapes and sizes. AA, AAA, 9V and D batteries are commonly used on cameras, toys, remote controls, hand sanitizer dispensers etc. ​ Battery shapes and sizes are depends on product structure so drawings are needed if choose batteries for new products.

Have you ever pictured batteries are able be monitored ？ Yes, it's happening. This story will let you know how it came ture ?