About this item

• It is suitable for DIY and maintenance of all kinds of dc equipment, with screw hole at the bottom and wire preinstalled, it is easy to use.
• Best for arduino, DIY work , vehicle USB charger, electronic device
• excellent quality with best material
• Easy to install: The battery is fixed by a stainless steel spring. It is very convenient to install and replace the battery, and it is not easy to damage other parts.
• Tough material: using tough material, high strength, good toughness, not easy to crack.