2Pcs 18650 Battery Holder Li-ion Battery with Single Compartment, 18650 Battery Bank & Battery Backup, Support USB 5V/2A 3V/1A Battery Shield Charging Module with USB to MicroUSB Charging Cable

About this item

• This 18650 lithium ion battery module works as an 18650 power bank / 18650 battery bank / 18650 battery backup, featuring a built-in 18650 battery holder (also fits as an 18650 holder) and supports Type A USB output and micro USB input
• The power module (compatible with 18650 rechargeable battery) supports 5V/2A and 3V/1A output, functioning as a 5V battery for various devices
• The 18650 module has overcharge and overdischarge protection, making it safe to use as an 18650 battery charger
• Please connect according to the positive and negative markings on the product, reverse connection is prohibited
• The product includes 2 sets of battery shield module and USB cable, ideal for stuff powered by 18650 in DIY projects