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The 3G Cellular Shield provides you a way to use the 3G/GSM cell phone network to receive data from a remote location. This 3G shield has better coverage, GSM backwards-compatibility and even sports a built-in GPS module for geolocation & asset tracking. This all-in-one cellular phone module wit..

Description3Cell / 3S 11.1V 10A Battery Management System / BMS Over Voltage, Over Current, Short Circuit Protection Module for Lithium ION or Lithium Polymer (LiPO) Batteries.FeaturesShort circuit protection.Overcharge protection.Over-discharge protection.Overcurrent protection.Can be applied to va..

Main Features: The 4-slot battery holder case box can hold 4 pieces 18650 batteries Keep your batteries organized and protected The holder case is designed with leads for easy to solder and connect Battery not includedPackage weight: 0.050 kg  Product Size(L x W x H): 7.90 x 7.80 x 2.1..

his 4 Road/Channel Relay Module (with light coupling) 12V module meet the safety standard as control areas and load area have the isolation groove. Optical coupling isolation module.The triggering of 4 Road/Channel Relay Module is reliable, more stable. The double FR–4 circuit board design..

Voltage-Rated: 50V Tolerance: ±10% Maximum Temperature: 125°C RoHS: Yes..

Voltage-Rated: 50V Tolerance: ±10% Maximum Temperature: 125°C RoHS: Yes..