Description Elecrow ThinkNode M4 Power Bank LoRa Tracker is a multifunctional LoRaWAN tracker and portable power bank powered by the Nordic nRF52840 platform and Semtech LR1110 LoRa transceiver. ThinkNode M4 combines long-distance LoRa communication, GPS positioning, power-bank charging, wireless charging, and built-in sensors in one portable device for asset tracking and outdoor location-sharing applications. As a LoRaWAN tracker, ThinkNode M4 supports real-time positioning and track recording through GPS, BeiDou, GLONASS, and QZSS. The built-in 7000mAh 18650 lithium-ion battery, Type-C charging, magnetic wireless charging structure, emergency LED light, and compact enclosure make the Elecrow ThinkNode M4 Power Bank LoRa Tracker useful for outdoor activities, city or farm asset tracking, emergency preparedness, and decentralized positioning workflows. Features LoRaWAN tracker and power bank: ThinkNode M4 integrates LoRa long-distance communication, location tracking, and portable power support. nRF52840 platform: ThinkNode M4 uses Nordic nRF52840-QIAA with 256KB RAM and 3MB flash memory. LR1110 LoRa transceiver: this LoRaWAN tracker supports US 915MHz / EU 868MHz LoRa operation with an internal antenna. Multi-GNSS positioning: ThinkNode M4 supports GPS, BeiDou, GLONASS, and QZSS with a built-in ceramic antenna. Portable charging: ThinkNode M4 supports Type-C input and output, Type-C cable output, and wireless charging output up to 15W. Large battery capacity: this LoRaWAN tracker has a built-in 18650 lithium-ion battery with 7000mAh nominal capacity and 25.2Wh power. Built-in safety and utility functions: ThinkNode M4 includes an emergency LED light, SOS function, temperature and humidity sensing, and six-axis gyroscope. Important firmware note: this ThinkNode M4 LoRa Tracker version does not support Meshtastic firmware; use the separate Meshtastic version if Meshtastic functionality is required. Specifications Product Elecrow ThinkNode M4 Power Bank LoRa Tracker for LoRaWAN SKU ELECROW-LMM14004D2 CPU / SoC nRF52840-QIAA, Nordic System Memory 256KB RAM Storage 3MB flash memory, external 2M flash chip LoRa Transceiver Semtech LR1110 LoRa Frequency US 915MHz / EU 868MHz, internal antenna Bluetooth Bluetooth Low Energy and Bluetooth 5.4, internal antenna Type-C Port Input 5V/3A, 9V/2A, 12V/1.5A Type-C Cable Output 5V/3A, 9V/2A, 12V/1.5A Wireless Charging Output 5W, 7.5W, 10W, 15W Charging Time 3~4 hours Battery Type 18650 lithium-ion battery Nominal Capacity 7000mAh Power 3.6V / 25.2Wh Rated Capacity 3800mAh at 5V/3A Conversion Rate More than 74% GPS Positioning GPS, BeiDou, GLONASS, QZSS, built-in ceramic antenna Other Sensors Temperature and humidity sensors, six-axis gyroscope Emergency Light Built-in LED light with lighting, strong light, and SOS flashing modes Power Input 5~12V, Type-C interface Working Static Power Consumption 45mA Sleep Power Consumption 55uA, LoRa module 15.95uA and power bank module 40uA Maximum Working Current Send 175mA, receive 54mA Storage Temperature -20~45°C Size 87.3 x 67.7 x 28mm Enclosure ABS fireproof plastic + PC + TPE Using Method Magnetic, handheld, lanyard Device Weight 190g Shipping Weight 250g Applications ThinkNode M4 LoRaWAN tracker deployments in cities, farms, and fixed coverage areas ThinkNode M4 outdoor positioning for hiking, camping, field work, and travel Emergency preparedness and decentralized location-sharing scenarios Portable charging for smartphones, GPS devices, cameras, and other electronics IoT tracking projects that need a LoRaWAN tracker with LoRa communication plus power-bank functionality Product List 1 ThinkNode M4 Power Bank for LoRa Tracker 1 Charging cable 1 USB to USB-C converter 1 User manual Other Content Firmware Compatibility Note ThinkNode M4 in this listing is the LoRa Tracker / LoRaWAN version. This LoRaWAN tracker does not support Meshtastic firmware. Choose the separate Meshtastic version if Meshtastic firmware functionality is required. Charging and Power Functions The Elecrow ThinkNode M4 Power Bank LoRa Tracker supports multiple charging modes, including Type-C input, Type-C cable output, wireless charging output, and magnetic attachment compatible with MagSafe-style charging structures. ThinkNode M4 can act as both a LoRaWAN tracker and a portable charging device. Power Bank Control The ThinkNode M4 power button wakes the power-bank function or turns on the light. The LoRa function button enables or disables the LoRa function and Bluetooth configuration workflow for this LoRaWAN tracker. Resources Elecrow ThinkNode M4 Wiki ThinkNode M4 User Manual for Tracker PDF LoRaWAN Documentation FAQ Does this ThinkNode M4 version support Meshtastic firmware? No. This ThinkNode M4 LoRa Tracker / LoRaWAN version does not support Meshtastic firmware. Use the dedicated Meshtastic version for Meshtastic functionality. Which LoRa frequencies are listed for this device? The official ThinkNode M4 specification lists LR1110 LoRa operation for US 915MHz and EU 868MHz with an internal antenna. Can it be used as a normal power bank? Yes. ThinkNode M4 supports Type-C and wireless charging outputs, with a built-in 7000mAh nominal capacity battery. What positioning systems does it support? The official ThinkNode M4 page lists GPS, BeiDou, GLONASS, and QZSS positioning with a built-in ceramic antenna. Is the battery capacity suitable for air travel? The official page lists the battery as 7000mAh and 25.2Wh, and notes that it can be taken on airplanes.
