2Pcs 21700 Battery Holder 3 Slots x 3.7V for 3x21700 Batteries Holder Box Container with ON/Off Leads and Switch PC Material Nickel-Plated Shrapnel Transparent case，Lithium Battery is not Included
1.PC Material:The transparent battery holder is made of PC plastic material，allows you to quickly and accurately understand the battery's status,which is more secure.
2.Flexible use:The 21700 battery holder pack contains two 3-slot battery boxes, one supports series and the other supports parallel
3.Transparent cover & Convenient switch:The battery case has a sliding transparent cover design allows you to easily open the battery holder, saving time and effort. Equipped with an ON/Off switch and a 150mm wire, the power flow can be easily controlled, allowing for convenient operation of battery-powered devices.
4.Easy to carry:The 21700 DIY transparent battery box are small in size. Users can easily put it in their pockets or backpacks for easy carrying. Whether it's outdoor activities, camping or everyday use, you can rely on this battery case to provide reliable power support.
5.Warm Tips:This product issuitable for DIY and does not include batteries. It's best to use a 21700 flat-head lithium battery.
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