Looking for the Meshtastic version? See the ThinkNode M4 Meshtastic Power Bank The Elecrow ThinkNode-M4 is a groundbreaking multifunctional device that combines a high-capacity power bank with advanced LoRa long-range wireless communication and precision GPS tracking. Designed for decentralized communication and asset tracking, it enables reliable connectivity and positioning even in environments without cellular or internet coverage. As a LoRaWAN tracker, the ThinkNode-M4 provides seamless indoor and outdoor positioning using LoRaWAN networks and GNSS systems. Its compact, portable design makes it ideal for tracking assets across cities, farms, and remote locations while ensuring real-time visibility, improved safety, and operational efficiency. Key Highlights LoRaWAN long-range communication Integrated GPS, temperature & humidity sensing 7000mAh rechargeable battery Fast charging (PD, QC, PPS support) Magnetic (MagSafe-compatible) charging Built-in LED emergency lighting CE & FCC certified Frequency: 868–915 MHz Key Features Long-Range LoRa CommunicationIntegrated LoRa module enables reliable, long-distance wireless communication for IoT and tracking applications. Decentralized NetworkingBuild independent mesh networks for seamless communication between multiple devices without relying on infrastructure. Real-Time GPS TrackingHigh-sensitivity GNSS module supports GPS, BeiDou, GLONASS, and QZSS for accurate positioning and route tracking. Location Sharing via LoRaWANShare real-time location data across LoRaWAN networks for monitoring and safety applications. High-Capacity Power BankBuilt-in 7000mAh lithium battery supports fast charging and reverse charging for external devices. Multi-Device CompatibilityUSB-C interface supports smartphones, tablets, cameras, GPS units, and more. Smart Power ManagementIntegrated protection against overcharge, over-discharge, and short circuits with real-time monitoring. Integrated SensorsIncludes temperature, humidity sensors, and a six-axis gyroscope for environmental and motion detection. Rugged & Portable DesignDurable, waterproof, dustproof, and shock-resistant enclosure for harsh environments. Emergency Lighting & SOS ModeBuilt-in LED with multiple lighting modes including SOS flashing. Applications Outdoor Adventure (mountains, forests, deserts) Emergency & Disaster Communication Community Mesh Networking Golf Courses & Resorts Summer Camps & Group Activities Ski Resorts & Remote Locations Technical Specifications Category Specification Power Bank Fast charging protocol PS output; QC2.0 output;QC3+/QC3.0 output;PD3.1 input/output;SCP/FCP/AFC input/output Integrated High-precision electricity meter, scene control management Switch charging Support single-cell charging, including trickle current, constant current, constant voltage, charge cutoff, and recharge complete charging cycle management;Support 4.2V/4.3V/4.35V/4.4V/4.45V ternary batteries and 3.6V/3.65V lithium iron phosphate batteries;Support I2C to set charging current;Support charging temperature loop control Synchronous Boost Output power up to 22.5W;Support I2C to set output voltage and output current limit;Automatic load detection / light load detection;Support discharge temperature loop control LoRa Communication CPU/SoC nRF52840-QIAA (Nordic) System Memory 256 KB RAM Storage 3 MB Flash memory (external 2M Flash chip) Firmware Meshtastic firmware compatible, LoRaWAN Tracker function compatible(Optional) LoRa Transceiver Semtech LR1110 LoRaWAN Class Class A LoRaWAN Spec Version 1.0.3 Regional Plans EU868, US915 Activation OTAA only Compatible Network Servers TTN, ChirpStack Charge and discharge function Charge three units at the same time Type-C port Input: 5V/3A, 9V/2A, 12V/1.5A Type-C Cable Discharge function:Output: 5V/3A, 9V/2A, 12V/1.5A Wireless charging Discharge function:Output: 5W, 7.5W, 10W, 15W Charging time 3~4 Hour Wireless Communication Bluetooth Bluetooth Low Energy and Bluetooth 5.4, internal antenna (phone configuration) LoRa LR1110 LoRa Transceiver, US 915MHz / EU 868MHz (Internal antenna) Battery Type 18650 Lithium-ion Battery Nominal capacity 7000mAh (can be taken on airplanes) Power 3.6V/25.2Wh Rated capacity 3800mAh (5V/3A) Conversion Rate More than 74% Hardware Power button (power bank) Touch a button to wake up the device or turn on the light LoRa function Button Touch a button to enable/disable LoRa function and Bluetooth configuration device parameters Emergency Lights Built-in LED strong light, three lighting effects (lighting, strong light, SOS flashing) Charging cable Comes with dual cables (Type-C) Magnetic function Comes with a magnetic ring, compatible with Apple's MagSafe charging structure GPS positioning Support GPS, BeiDou, GLONASS, QZSS, built-in ceramic antenna Protection/SOS function Yes Other Sensor Temperature and humidity sensors and a six-axis gyroscope Power Input 5~12V, Type-C interface Power consumption Working static power consumption: 45mA;Sleep power consumption: 55uA (LORA module: 15.95uA, power bank module: 40uA);Maximum working current: Send 175mA, receive 54mA Storage Temperature -20~45 °C Size 87.3*67.7*28mm Enclosure ABS fireproof plastic + PC + TPE Using Method Magnetic, handheld, lanyard Weight 190g Technical Documents Wiki User Manual LoRa is a registered trademark of Semtech Corporation. LoRaWAN is a trademark of the LoRa Alliance. USB-C is a registered trademark of USB Implementers Forum. MCCI and MCCI Catena are registered trademarks of MCCI Corporation. All other trademarks are the property of their respective owners.
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