{"product_id":"qinizx-10s-14s-active-capacitor-battery-equalizer","title":"QINIZX 10S–14S Active Capacitor Battery Equalizer","description":"\u003cp\u003e\u003cstrong\u003eThe QINIZX 10S–14S active capacitor equalizer is a high-current balance module that actively evens cell voltages across 10 to 14-series Li-ion, LiFePO4, LTO, or LiPo battery banks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis active balancing board uses flying-capacitor charge transfer and ultra-low Rds(on) MOSFETs on a 2oz copper PCB to move charge between cells, reducing voltage spread and improving pack performance over time. It supports 10S through 14S strings (backward compatible), offers up to 5.5A balance current, and includes undervoltage sleep protection and very low standby drain for long-term installations. The module is intended for battery packs in energy storage, EV conversions, UPS systems, and other multi-cell setups where maintaining matched cell voltages matters.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this balancer manage different battery chemistries?\u003c\/h3\u003e\n\u003cp\u003eThe QINIZX equalizer operates between 1.8V and 4.5V per cell, so it is compatible with common chemistries such as ternary Li-ion, LiFePO4, and lithium titanate (LTO). It identifies cell voltages and transfers charge via the flying capacitor method rather than dissipating excess energy as heat, making it efficient for multiple chemistries when voltages fall into the supported range.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorking voltage range: 1.8V–4.5V per cell.\u003c\/li\u003e\n  \u003cli\u003eChemistry compatibility: Li-ion (NCM), LiFePO4, LTO.\u003c\/li\u003e\n  \u003cli\u003eAutomatic undervoltage stop for B1 to protect low-voltage cells.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety and installation steps should I follow?\u003c\/h3\u003e\n\u003cp\u003eCorrect wiring and insulation are essential: confirm each cell connection before plugging the balance cable into the board and insulate the PCB base and terminals. The board is sensitive to wiring errors that can cause short circuits or damage, so double-check polarity and cell order, and use appropriate insulation materials.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify battery string section connections before attaching the cable.\u003c\/li\u003e\n  \u003cli\u003eInsulate the board underside and terminal regions to prevent shorts.\u003c\/li\u003e\n  \u003cli\u003eUse the backward-compatible wiring scheme for shorter series counts (leave end pads vacant).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long and how strongly will the module balance my pack?\u003c\/h3\u003e\n\u003cp\u003eBalance current varies with voltage difference; the board can supply up to about 5.5A when needed, but current falls as cells approach equal voltage. Equalization takes time — it does not instantly equalize cells — and the board may feel warm during operation, which is normal for the charge-transfer process.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaximum balance current up to 5.5A; typical quiescent current ~7mA.\u003c\/li\u003e\n  \u003cli\u003eRecommended battery capacity per balancer: 30–300Ah; parallel multiple balancers for larger banks.\u003c\/li\u003e\n  \u003cli\u003eBalance accuracy within ~5mV; full equalization requires extended connection time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat practical tips help avoid false indicators and improve performance?\u003c\/h3\u003e\n\u003cp\u003eThe indicator LED can sometimes light when the voltage gap is below ~0.1V without delivering balance current; this is a known behavior and often resolved by re-plugging the cable. Also allow an appropriate equalization period after connecting the module and expect the module to run warm as it transfers charge.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAvoid \u0026gt;0.5V initial cell gaps for best results; \u0026lt;0.1V can trigger false LED activation.\u003c\/li\u003e\n  \u003cli\u003eIf LED behavior seems incorrect, disconnect and re-plug the balance cable.\u003c\/li\u003e\n  \u003cli\u003eDo not expect immediate results — balancing often takes hours to days depending on imbalance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The QINIZX 10S–14S active equalizer suits technicians, hobbyists, and system integrators building or maintaining multi-series battery packs for energy storage, EV or e-bike packs, solar hybrid systems, and industrial UPS setups. It is designed for users who need active, efficient cell-to-cell charge transfer in packs using Li-ion, LiFePO4, or LTO chemistries and are comfortable performing careful wiring and insulation. Note: the module ships without batteries — follow safety best practices and contact the seller if you encounter issues.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this balancer handle 12S LiFePO4 battery packs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The module is backward compatible and supports 10S–14S, so 12S wiring leaves the extra end pads unused.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What happens if cell voltages differ more than 0.5V?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Large initial voltage gaps may extend equalization time; ensure safe wiring and consider staged charging before balancing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"QINIZX","offers":[{"title":"Default Title","offer_id":48413607526557,"sku":"B096NN6H5V","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/qinizx-front-view-balance-board.jpg?v=1781273821","url":"https:\/\/nexoltic.com\/products\/qinizx-10s-14s-active-capacitor-battery-equalizer","provider":"Nexoltic","version":"1.0","type":"link"}