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REC BMS – REC Battery Management SystemREC BMS – REC Battery Management System Home News BATTERY MANAGEMENT SYSTEM REC ACCESSORIES References Contact Where to buy Home News BATTERY MANAGEMENT SYSTEM REC ACCESSORIES References Contact Where to buy BATTERY MANAGEMENT SYSTEM Battery Management System products available with REC BMS.For ordering any product, please contact us or write us an email to info@rec-bms.com. REC ACTIVE BMS REC Active BMS for 4 cells connected in series with active bi-directional balancing. Li-PO, LiFePO4, LiFeYPO4, LiCoO2, LiMnNiCo and LiMnO4 Lithium-Ion chemistry 4 series connected cells per unit high efficiency 2 A bi-directional active balancing(pack to cell and cell to pack) IP65 protection enclosure, AMP 35 pin water resistant connector 2 – 5 V measuring range, 2 mV accuracy up to 2 digital temperature sensors shunt current measurement robust and small design galvanically isolated RS-485 and CAN communication protocol two programmable fused relay output two programmable fused digital output User Manual for REC Active BMS also Victron and Wakespeed compatible REC 2Q BMS 16S Our REC BMS Q series with integrated CAN communication protocol can manage up to 16 cells in series. Compatible also with CAN suported ESS inverters for integrations in PV systems, like SMA Sunny Island, Victron Energy, Studer, Stecca Innotec, GoodWe, Solax, Solis, etc. from 4 to 16 in-series connected cells per unitsingle cell voltage measurement (0.1–5.0 V, resolution 1 mV)single cell – under/over voltage protectionSOC and SOH calculationup to 4 digital temperature sensorssingle cell internal resistance measurementover temperature protectionreduced 1 s measuring intervalbalancing transistors defect check @ restartEEPROM memory data corruption check @ restartcell’s voltage RMS voltage measurementself calibration @ restartBMS shutdown @ 0.98 x minimum cell disconnect thresholdAh countingtwo galvanically isolated user defined multi-purpose digital outputsinternal DC opto-relay outputintegrated precharge with adjustable time delayintegrated RTCcontrol pilot for EVSEcompatible with CAN supported ESS inverters/chargers for integrations in PV systems, like SMA Sunny Island, Victron Energy, Studer, GoodWe, etc. User Manual for REC 2Q BMS REC BMS MASTER UNIT 10M REC BMS Master – Slave configuration is designed for high-voltage applications and scalable 48 V parallel setups, this configuration supports up to 12 BMS Slave units, each managing up to 16 cells. Fully compatible with all REC BMS products, it integrates seamlessly with a wide range of high-voltage chargers and solar inverters, making it ideal for HV applications and advanced energy storage systems. Li-PO, LiFePO4, LiFeYPO4, LiCoO2, LiMnNiCo, LiMnO4 , LTO, Lithium-Ion and Sodium-ion chemistryMaster + max 12 Slave combination(up to 12x 16S = 192 cells)single cell voltage measurement(0.1 – 5.0 V, resolution 1 mV)single cell internal resistance measurementsingle cell under/over voltage protectionSOC and SOH calculationover temperature protection(up to 8 temperature sensors per Slave unit)under temperature charging protection4.0 ohm passive cell balancing with LED indicationshunt current measurement(resolution 19.5 mA @ +/- 500 A)compatible with variety of HV chargerssuitable for implementation in parallel designed 48 V battery packs for use in ESS User Manual for REC BMS Master-Slave configuration 10M Copyright 2026 by RECThis site uses cookies. Read our Privacy Policy enusen-US1785634561https://rec-bms.com

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