{"product_id":"6s-25-2v-10a-charge-only-bypass-bms","title":"6S 25.2V 10A Charge-Only Bypass BMS","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003e6S 25.2V 10A Charge-Only Bypass BMS\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003eThe TorqueBoards 6S Charge-Only BMS is designed for compatible \u003cstrong\u003e6-series lithium battery packs\u003c\/strong\u003e using a bypass discharge configuration.\u003c\/p\u003e\n\u003cp\u003eIn a charge-only or bypass setup, the BMS manages the battery during charging and monitors the individual cell groups through the balance-wire connection. The battery’s main discharge current bypasses the BMS and connects directly to the battery output circuit.\u003c\/p\u003e\n\u003cp\u003eThis configuration is commonly used in electric skateboards and other high-current DIY electric-vehicle battery packs where the BMS is used for charging protection and balancing rather than carrying the full motor discharge current.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for compatible 6S battery packs\u003c\/li\u003e\n\u003cli\u003eCharge-only bypass configuration\u003c\/li\u003e\n\u003cli\u003eRated for up to 10A charging current\u003c\/li\u003e\n\u003cli\u003eMonitors individual series groups through the balance connection\u003c\/li\u003e\n\u003cli\u003eHelps protect the battery during charging\u003c\/li\u003e\n\u003cli\u003eSupports cell-group balancing\u003c\/li\u003e\n\u003cli\u003eSeparate P− and B− connections\u003c\/li\u003e\n\u003cli\u003eNTC temperature-sensor connection\u003c\/li\u003e\n\u003cli\u003eSuitable for DIY electric skateboard and modular EV battery projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBypass BMS Configuration\u003c\/h2\u003e\n\u003cp\u003eThis BMS is intended to be wired as a \u003cstrong\u003echarge-only BMS\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIn this configuration:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe charger negative connects through the BMS at \u003cstrong\u003eP−\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe battery negative connects to the BMS at \u003cstrong\u003eB−\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe main discharge connection bypasses the BMS\u003c\/li\u003e\n\u003cli\u003eThe vehicle’s discharge current does not pass through the BMS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis allows the battery pack to supply higher discharge current directly to the vehicle while retaining BMS protection during charging.\u003c\/p\u003e\n\u003cp\u003eA bypass BMS does \u003cstrong\u003enot\u003c\/strong\u003e provide discharge-side overcurrent, short-circuit, or low-voltage cutoff protection for the main vehicle output. Those protections must be handled through proper system design, ESC settings, fusing, monitoring, and safe battery operation.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries configuration:\u003c\/strong\u003e 6S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal lithium-ion voltage:\u003c\/strong\u003e Approximately 21.6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum lithium-ion charge voltage:\u003c\/strong\u003e 25.2V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum charging current:\u003c\/strong\u003e 10A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Charge only \/ discharge bypass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e P−, B−, balance connector and NTC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Lithium battery-pack charging, monitoring and balancing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConfirm that the supplied BMS version is configured for your battery chemistry. Lithium-ion and LiFePO4 cells use different charging voltages and protection thresholds and are not interchangeable without the correct BMS configuration.\u003c\/p\u003e\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eThis BMS may be used with compatible:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e6S electric skateboard battery packs\u003c\/li\u003e\n\u003cli\u003eDIY lithium-ion battery builds\u003c\/li\u003e\n\u003cli\u003eModular electric-vehicle battery packs\u003c\/li\u003e\n\u003cli\u003eDrift carts and lightweight EV projects\u003c\/li\u003e\n\u003cli\u003eOther 6S battery systems using a charge-only bypass configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCompatibility depends on battery chemistry, series count, charger voltage, charge current, balance-wire arrangement and complete battery design.\u003c\/p\u003e\n\u003ch2\u003eConnection Overview\u003c\/h2\u003e\n\u003cp\u003eThe primary connections include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB−:\u003c\/strong\u003e Battery-pack negative\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP−:\u003c\/strong\u003e Charger negative\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery positive:\u003c\/strong\u003e Charger positive connects directly to pack positive in a typical charge-only configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalance connector:\u003c\/strong\u003e Monitors each battery series group\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNTC:\u003c\/strong\u003e Temperature-sensor connection where supported\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlways follow the correct wiring diagram for this exact BMS revision. Do not determine balance-wire order by wire color alone.\u003c\/p\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x 6S 10A charge-only bypass BMS\u003c\/li\u003e\n\u003cli\u003e1x 6S Balance Wire Harness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTemperature sensors, connectors, chargers and additional wiring are not included unless specifically stated in the selected product option.\u003c\/p\u003e\n\u003ch2\u003eImportant Compatibility Requirements\u003c\/h2\u003e\n\u003cp\u003eBefore ordering or installation, confirm:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e6S battery configuration\u003c\/li\u003e\n\u003cli\u003eCorrect battery chemistry\u003c\/li\u003e\n\u003cli\u003eCorrect charger voltage\u003c\/li\u003e\n\u003cli\u003eCharging current does not exceed 10A\u003c\/li\u003e\n\u003cli\u003eCorrect balance-wire connector and sequence\u003c\/li\u003e\n\u003cli\u003eCorrect P− and B− wiring\u003c\/li\u003e\n\u003cli\u003eThe main discharge path is designed to bypass the BMS\u003c\/li\u003e\n\u003cli\u003eAdditional discharge-side protection is provided where required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis BMS should not be used with a battery pack having a different series count.\u003c\/p\u003e\n\u003ch2\u003eInstallation and Safety\u003c\/h2\u003e\n\u003cp\u003eConnect and verify all balance leads before applying charging power. Each balance-wire reading should increase sequentially as measured from battery negative.\u003c\/p\u003e\n\u003cp\u003eIncorrect balance-wire order, reversed polarity, short circuits or connecting the wrong series count may permanently damage the BMS or battery pack.\u003c\/p\u003e\n\u003cp\u003eBefore connecting the charger:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eVerify every cell-group voltage.\u003c\/li\u003e\n\u003cli\u003eConfirm the total pack voltage.\u003c\/li\u003e\n\u003cli\u003eConfirm the balance-wire sequence.\u003c\/li\u003e\n\u003cli\u003eVerify B− and P− connections.\u003c\/li\u003e\n\u003cli\u003eCheck charger polarity and output voltage.\u003c\/li\u003e\n\u003cli\u003eInsulate all exposed conductive areas.\u003c\/li\u003e\n\u003cli\u003eConfirm the main discharge path bypasses the BMS as intended.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eLithium battery packs can cause fire, serious injury or property damage if incorrectly assembled, charged or serviced. Installation should only be performed by someone experienced with battery-pack wiring, balance connections, polarity verification and lithium battery safety.\u003c\/p\u003e","brand":"TorqueBoards","offers":[{"title":"Default Title","offer_id":52432838787303,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2363\/7649\/files\/6S20ABypassBMS.webp?v=1785454080","url":"https:\/\/diyelectricskateboard.com\/products\/6s-25-2v-10a-charge-only-bypass-bms","provider":"DIY Electric Skateboard","version":"1.0","type":"link"}