{"product_id":"1s-4a-bms-li-ion-protection-module-3-7v-fdc-3540","title":"1S 4A BMS Li-ion Protection Module 3.7V FDC-3540","description":"\u003ch2\u003e1S 4A BMS Li-ion Battery Protection Module 3.7V FDC-3540 High Current PCM for 18650 and Li-Po\u003c\/h2\u003e\n\u003cp\u003eThe 1S 4A BMS Li-ion Battery Protection Module is a high-current protection circuit module (PCM) for single-cell 3.7V 18650 and Li-Po batteries. It helps protect the cell during charging and discharging, which makes it useful for DIY power banks, small battery packs, and portable electronics projects. Buy online in Pakistan with fast delivery to Lahore, Karachi, Islamabad, and all major cities.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1S protection module for 3.7V Li-ion and Li-Po cells\u003c\/li\u003e\n  \u003cli\u003e4A high current rating\u003c\/li\u003e\n  \u003cli\u003eFDC-3540 protection board\u003c\/li\u003e\n  \u003cli\u003eProtection against overcharge, over-discharge, and short circuit\u003c\/li\u003e\n  \u003cli\u003eSuitable for 18650 and Li-Po batteries\u003c\/li\u003e\n  \u003cli\u003eCompact size for DIY battery packs and power banks\u003c\/li\u003e\n  \u003cli\u003eCash on delivery available across Pakistan\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ROBOSTAN","offers":[{"title":"Default Title","offer_id":67989762408814,"sku":null,"price":60.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/7391\/8062\/files\/ChatGPTImageNov4_2026_03_31_09PM-2.png?v=1793795822","url":"https:\/\/robostan.pk\/products\/1s-4a-bms-li-ion-protection-module-3-7v-fdc-3540","provider":"ROBOSTAN","version":"1.0","type":"link"}