{"product_id":"heltec-3000mah-li-polymer-battery","title":"Heltec 3.7V 3000mAh Li-Polymer Battery (PL103665) for Heltec V3, V4, T114 V2 and Wireless Tracker V2","description":"\u003cp\u003e\u003cstrong\u003eGenuine Heltec 3000mAh Li-Polymer battery, purpose-built for Heltec LoRa boards.\u003c\/strong\u003e This is the original Heltec Automation battery designed to fit directly into the housings of the Heltec WiFi LoRa 32 V3, V4, T114 V2, and Wireless Tracker V2. Correct connector, correct dimensions, correct voltage, and a built-in protection circuit for safe long-term use.\u003c\/p\u003e\n\n\u003cp\u003eIf you are building a solar node, extending the runtime of your handheld, or replacing an ageing battery in your existing Heltec device, this is the drop-in fit that just works. No adapters, no soldering, no guesswork.\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Devices\u003c\/h3\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eDevice\u003c\/th\u003e\n\u003cth\u003eFits directly\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/heltec-wifi-lora-32-v3\"\u003eHeltec WiFi LoRa 32 V3\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eYes, plug and play via PH 2.0 connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/heltec-wifi-lora-32-v4\"\u003eHeltec WiFi LoRa 32 V4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eYes, plug and play via PH 2.0 connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/heltec-wireless-tracker-v2\"\u003eHeltec Wireless Tracker V2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eYes, plug and play via PH 2.0 connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeltec Meshtastic T114 V2\u003c\/td\u003e\n\u003ctd\u003eYes, drop-in fit inside the original housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNot Compatible With RAKwireless Devices\u003c\/h3\u003e\n\n\u003cp\u003eThis battery is specifically designed for Heltec devices with a PH 2.0 connector. It does \u003cstrong\u003enot\u003c\/strong\u003e fit RAKwireless devices such as the WisMesh Pocket V2, WisMesh Tag, or WisMesh Repeater Mini. RAKwireless products use a different connector pitch and different battery form factor. If you need a replacement or spare battery for a RAKwireless device, contact us and we will help you find the correct part.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3000mAh capacity:\u003c\/strong\u003e significantly extends runtime on any Heltec board. On a Heltec V4 with typical Meshtastic settings, this powers the device for multiple days of use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.7V nominal voltage (4.2V fully charged):\u003c\/strong\u003e matches the required input range for Heltec's onboard battery management circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePH 2.0 connector:\u003c\/strong\u003e pre-terminated with the exact connector used on Heltec boards. No soldering, no crimping, no adapters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in protection circuit:\u003c\/strong\u003e guards against overcharging, over-discharging, overcurrent, and short circuits, extending battery life and preventing damage to your device.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact form factor:\u003c\/strong\u003e 10 x 36 x 68 mm, designed to fit inside the original Heltec device housings without modification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide operating temperature:\u003c\/strong\u003e works reliably from -20°C to +60°C, suitable for outdoor solar node deployments and portable use across seasons.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer-original:\u003c\/strong\u003e supplied by Heltec Automation, not a third-party clone. Same quality control as the batteries used in Heltec's own developer kits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Use Cases\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended runtime for portable Meshtastic or MeshCore nodes:\u003c\/strong\u003e the higher capacity of 3000mAh gives you multiple days of standalone operation on a fully charged Heltec V3 or V4.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar node builds:\u003c\/strong\u003e pair with a small solar panel connected to the V4's dedicated solar input, and you have an autonomous outdoor node.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement for ageing batteries:\u003c\/strong\u003e LiPo batteries degrade over years of use. Swap out the original battery in your Heltec device to restore full capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpare battery for field use:\u003c\/strong\u003e keep a charged spare with your kit for extended trips, festivals, or emergencies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecs\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Heltec Automation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e PL103665\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemistry:\u003c\/strong\u003e Li-Polymer (LiPo)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal voltage:\u003c\/strong\u003e 3.7V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharged voltage:\u003c\/strong\u003e 4.2V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 3000mAh (11.1 Wh)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector:\u003c\/strong\u003e PH 2.0 (JST PH 2.0 mm pitch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 10 x 36 x 68 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e approximately 55 grams\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature:\u003c\/strong\u003e -20°C to +60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e Overcharge, over-discharge, overcurrent, short circuit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, RoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e1 × Heltec 3000mAh Li-Polymer battery with PH 2.0 connector, pre-terminated and ready to plug in.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSafety Notice\u003c\/h3\u003e\n\n\u003cp\u003eLithium polymer batteries require correct handling. Charge only via the device's onboard charging circuit or a compatible LiPo charger. Do not puncture, short circuit, expose to fire, or leave in extreme temperatures. Store between +10°C and +25°C at approximately 50 percent charge for maximum longevity when not in use. Dispose of used batteries at your local battery recycling point, in accordance with EU battery regulations.\u003c\/p\u003e\n\n\u003ch3\u003ePair It With\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/heltec-wifi-lora-32-v3\"\u003eHeltec WiFi LoRa 32 V3\u003c\/a\u003e for a complete portable Meshtastic build.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/heltec-wifi-lora-32-v4\"\u003eHeltec WiFi LoRa 32 V4\u003c\/a\u003e for the higher power version, plus solar input for autonomous outdoor operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/heltec-wireless-tracker-v2\"\u003eHeltec Wireless Tracker V2\u003c\/a\u003e for GPS-enabled portable use.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/flexible-lora-antenna-868mhz\"\u003eFlexible LoRa Whip Antenna\u003c\/a\u003e to complete your portable build with better range.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Heltec","offers":[{"title":"Default Title","offer_id":57735061340491,"sku":"PL103665","price":13.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0581\/8404\/0612\/files\/Sd5e8eed2cc894b2da77a8ade57e0c091o_1.jpg?v=1782899744","url":"https:\/\/hexaspot.com\/products\/heltec-3000mah-li-polymer-battery","provider":"Hexaspot","version":"1.0","type":"link"}