3.7 v rechargeable battery 18650 for sale, brand-new and used.

TP4056 1A Current Lithium Battery Charging Board DIY Mobile Power Charging Feature: Size: 30*15mm Input voltage: 4.8-8 V DC Current Out: 1000mA max. ( 100-1000mA adjustable) This board has the reserved bi-color common anode LED hole, suitable for DIY universal rechargeable 18650 lithium battery charger.Red LED on while charging, green LED on while full . Green LED on and the red LED flashes (frequency 1-2 seconds flashing) while the battery is

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Pi UpTime UPS is an Uninterrupted Power Supply (UPS) for Raspberry Pi computers. Pi UpTime UPS also enhances the capabilities of the Raspberry Pi. Pi UpTime UPS fits snugly on top of a Raspberry Pi making the Raspberry Pi mobile by providing a power source for extended period of time.