{"product_id":"mr2-akku-anschlusskabel-mit-akkuschutzmodul-bms","title":"Battery Cable for MR2 with Protection Module (BMS), Pre-Assembled","description":"\u003cul\u003e\n\u003cli\u003eBattery cable and protection module with temperature sensor soldered and tested – you only connect the cell\u003c\/li\u003e\n\u003cli\u003eSaves you the trickiest solder joint of the whole installation\u003c\/li\u003e\n\u003cli\u003eAvailable for LiFePO₄ (3.75 V \/ 2.1 V) or Li-ion\/LiPo (4.275 V \/ 2.8 V)\u003c\/li\u003e\n\u003cli\u003eProtection against overcharge, over-discharge and short circuit, 1 A continuous current\u003c\/li\u003e\n\u003cli\u003eUsually just called a \u003cstrong\u003eBMS\u003c\/strong\u003e in the mesh community – technically a 1S protection circuit (PCM)\u003c\/li\u003e\n\u003cli\u003eAny cell format: 18650, 21700, 26650, 32700 – open, tinned leads for soldering\u003c\/li\u003e\n\u003cli\u003eTemperature sensor matched to the charge control of the MR2\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePre-assembled battery cable for the Inhero MR2\u003c\/strong\u003e – connecting cable and protection module with an integrated temperature sensor come soldered and tested. You only connect the cell, which removes the trickiest solder joint of the whole installation.\u003c\/p\u003e\n\u003cp\u003eIn the MeshCore and Meshtastic communities the protection module fitted here is usually just called a \u003cstrong\u003eBMS\u003c\/strong\u003e. Strictly speaking it is a \u003cstrong\u003eprotection circuit (PCM)\u003c\/strong\u003e for a single cell: balancing is irrelevant at 1S anyway, and on the MR2 charge control is handled by the onboard BQ25798.\u003c\/p\u003e\n\n\u003ch3\u003eVersions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLiFePO₄ 1S:\u003c\/strong\u003e HY2112-BB protection IC, overcharge protection 3.75 V, over-discharge protection 2.1 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLi-Ion 1S:\u003c\/strong\u003e BQ29700 protection IC, overcharge protection 4.275 V, over-discharge protection 2.8 V\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector:\u003c\/strong\u003e JST-PH 2.0, 3-pin socket (2.0 mm pitch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable length:\u003c\/strong\u003e 20 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePinout:\u003c\/strong\u003e battery plus, battery minus, temperature sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection functions:\u003c\/strong\u003e overcharge, over-discharge, short circuit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous current:\u003c\/strong\u003e 1 A max. (charge and discharge)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell balancing:\u003c\/strong\u003e no (not required at 1S)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature sensor:\u003c\/strong\u003e integrated, matched to the Inhero MR2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule dimensions:\u003c\/strong\u003e 22 × 6.2 × 2.8 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell format:\u003c\/strong\u003e any – 18650, 21700, 26650, 32700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell connection:\u003c\/strong\u003e open, stripped and tinned leads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× pre-assembled battery cable in the selected version (cable + protection module + temperature sensor, soldered)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⚠ Important notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoose the version that matches your cell.\u003c\/strong\u003e The cutoff thresholds for LiFePO₄ and Li-ion are not compatible – the wrong version will damage the cell.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLimit the charge current:\u003c\/strong\u003e the MR2 charge current is adjustable up to 1500 mA via the CLI. When using this cable, cap it at 1000 mA (\u003ccode\u003eset board.imax 1000\u003c\/code\u003e).\u003c\/li\u003e\n\u003cli\u003eThe MR2 has \u003cstrong\u003eno hardware reverse-polarity protection\u003c\/strong\u003e on the battery input. Check the polarity before connecting for the first time.\u003c\/li\u003e\n\u003cli\u003eBattery not included.\u003c\/li\u003e\n\u003cli\u003eESD-sensitive assembly – handle only with appropriate ESD protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eManufacturer Information (GPSR)\u003c\/h3\u003e\n\u003cp\u003eInhero GmbH, Gewerbestraße 19, 08115 Lichtentanne, Germany · info@inhero.de\u003c\/p\u003e","brand":"Inhero GmbH","offers":[{"title":"LiFePO4 1S","offer_id":57310929158519,"sku":"CBL-BAT-LFP-200","price":6.9,"currency_code":"EUR","in_stock":true},{"title":"Li-ion 1S","offer_id":57310929191287,"sku":"CBL-BAT-LI-200","price":6.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/2230\/5911\/files\/DSC1886.jpg?v=1784370251","url":"https:\/\/shop.inhero.de\/en\/products\/mr-2-battery-cable-protection-module-bms","provider":"Inhero","version":"1.0","type":"link"}