{"product_id":"tp4056-1a-li-ion-battery-charging-protection-module","title":"TP4056 1A Li-Ion Battery Charging Protection Module","description":"\u003cmeta name=\"description\" content=\"Buy TP4056 1A LiIon Battery Charging Protection Module online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\u003ch1\u003eTP4056 1A Li-Ion Battery Charging Protection Module\u003c\/h1\u003e\n\n\u003cp\u003eSafely charge and protect your single-cell 3.7V lithium-ion and lithium-polymer batteries with this compact TP4056-based module. Featuring built-in overcharge, over-discharge, and overcurrent protection via the DW01A protection IC and 8205A dual MOSFET, this module delivers a reliable 1A linear charging solution for portable electronics, DIY power banks, solar charging systems, and IoT devices. Available at The Engineer Store, Bengaluru - fast shipping, technical support, and quality guaranteed.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging IC\u003c\/td\u003e\n\u003ctd\u003eTP4056 (Linear Li-Ion Charger)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection IC\u003c\/td\u003e\n\u003ctd\u003eDW01A + 8205A Dual MOSFET\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e4.5V - 5.5V (Micro-USB or solder pads)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging Current\u003c\/td\u003e\n\u003ctd\u003e1A (adjustable via resistor swap)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharge Cutoff Voltage\u003c\/td\u003e\n\u003ctd\u003e4.2V +\/- 1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOver-Discharge Protection\u003c\/td\u003e\n\u003ctd\u003eCuts off at ~2.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOvercurrent Protection\u003c\/td\u003e\n\u003ctd\u003e~3A threshold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging Method\u003c\/td\u003e\n\u003ctd\u003eCC\/CV (Constant Current \/ Constant Voltage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Compatibility\u003c\/td\u003e\n\u003ctd\u003eSingle-cell 3.7V Li-Ion \/ LiPo (18650, pouch cells, etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus LEDs\u003c\/td\u003e\n\u003ctd\u003eRed = Charging, Blue\/Green = Fully Charged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Connector\u003c\/td\u003e\n\u003ctd\u003eMicro-USB + solder pads (IN+, IN)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Pads\u003c\/td\u003e\n\u003ctd\u003eOUT+, OUT (protected battery output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Pads\u003c\/td\u003e\n\u003ctd\u003eBAT+, BAT (connect to battery)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCB Dimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 25mm x 19mm x 4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e10 degreesC to +85 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandby Current\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;2uA (protection circuit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic Components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Charging + Protection:\u003c\/strong\u003e Unlike basic TP4056 modules (without protection), this version integrates the DW01A and 8205A ICs to guard against overcharge, over-discharge, overcurrent, and short circuit - essential for safe lithium battery operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1A Fast Charging with CC\/CV Profile:\u003c\/strong\u003e Automatically transitions from constant current to constant voltage charging, terminating precisely at 4.2V for optimal battery health and longevity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual LED Status Indication:\u003c\/strong\u003e Red LED illuminates during active charging; blue or green LED signals charge completion - no guesswork required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicro-USB Input:\u003c\/strong\u003e Conveniently power the module from any standard 5V USB adapter, power bank, or computer USB port. Solder pads also available for direct wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDedicated Output Pads (OUT+\/OUT):\u003c\/strong\u003e Protected output terminals ensure your connected load is automatically disconnected if battery voltage drops too low, preventing permanent cell damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Compact Form Factor:\u003c\/strong\u003e At just 25mm x 19mm, it fits inside the tightest enclosures - ideal for wearables, miniature robots, and space-constrained builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Regulation:\u003c\/strong\u003e The TP4056 IC includes internal thermal feedback that automatically reduces charge current if the chip temperature rises excessively, preventing overheating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Charge Current:\u003c\/strong\u003e The onboard programming resistor (default 1.2kOhm for 1A) can be swapped to set charge currents from 130mA to 1A, accommodating smaller-capacity batteries.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Phase:\u003c\/strong\u003e Connect a 5V source to the Micro-USB port or IN+\/IN pads. The TP4056 charges the battery connected to BAT+\/BAT at a constant 1A current until the cell reaches 4.2V, then tapers the current until charging is complete.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Phase:\u003c\/strong\u003e The DW01A IC continuously monitors the battery voltage. If the cell drops below ~2.4V during discharge, the 8205A MOSFETs disconnect the load from OUT+\/OUT. Similarly, if overcurrent (~3A) or a short circuit is detected, the output is immediately cut off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant Wiring Note:\u003c\/strong\u003e Always connect your load to the OUT+\/OUT pads (not directly to BAT+\/BAT) to benefit from the protection circuitry. Connecting directly to the battery pads bypasses all protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePin \/ Pad Description\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIN+ \/ IN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V DC power input (alternative to Micro-USB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eBAT\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy TP4056 1A Li-Ion Battery Charging Protection Module Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eTP4056 1A Li-Ion Battery Charging Protection Module\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eTP4056 1A Li-Ion Battery Charging Protection Module\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003eTP4056 1A Li-Ion Battery Charging Protection Module\u003c\/strong\u003e at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43773616717987,"sku":"TES-EV102060","price":21.2,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/2_26.png?v=1701073300","url":"https:\/\/www.theengineerstore.in\/zh-hans\/products\/tp4056-1a-li-ion-battery-charging-protection-module","provider":"The Engineer Store","version":"1.0","type":"link"}