--- product_id: 463072749 title: "6pcs 2S 8A 7.4V 8.4V 16A Current Limit 18650 Lithium Battery Charger BMS Circuit PCB Protection Board for Li-ion Lithium Battery Cell Overcharge Over-Discharge Protection" brand: "alinan" price: "MX$500" currency: MXN in_stock: true category: "Alinan" url: https://www.desertcart.mx/products/463072749-6pcs-2s-8a-7-4v-8-4v-16a-current-limit store_origin: MX region: Mexico --- # 8A continuous current rating 7.4V-8.4V precise voltage control Multi-layer protection system 6pcs 2S 8A 7.4V 8.4V 16A Current Limit 18650 Lithium Battery Charger BMS Circuit PCB Protection Board for Li-ion Lithium Battery Cell Overcharge Over-Discharge Protection **Brand:** alinan **Price:** MX$500 **Availability:** ✅ In Stock ## Summary > 🛠️ Charge smart, protect smarter — power your gear with confidence! ## Quick Answers - **What is this?** 6pcs 2S 8A 7.4V 8.4V 16A Current Limit 18650 Lithium Battery Charger BMS Circuit PCB Protection Board for Li-ion Lithium Battery Cell Overcharge Over-Discharge Protection by alinan - **How much does it cost?** MX$500 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/463072749-6pcs-2s-8a-7-4v-8-4v-16a-current-limit) ## Best For - alinan enthusiasts ## Why This Product - Trusted alinan brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Ultra-Low Standby Drain:** MOS transistor design minimizes power loss with less than 30μA quiescent current, maximizing battery life. - • **Versatile Compatibility:** Perfect for 3.7V lithium-ion batteries in massagers, solar lights, LED backups, and more—future-proof your power solutions. - • **Powerful Current Handling:** Supports up to 8A continuous and 16A peak current for robust, reliable performance under demanding loads. - • **Precision Voltage Mastery:** High-accuracy voltage detection ensures your batteries charge safely and efficiently every time. - • **Ultimate Battery Guardian:** Integrated overcharge, over-discharge, short circuit, and overcurrent protections keep your power cells flawless. ## Overview The Alinan 6pcs 2S 8A 7.4V-8.4V BMS Protection Board is a precision-engineered lithium battery management system designed for high accuracy voltage control and multi-layer safety. With 8A continuous and 16A peak current capacity, ultra-low standby current, and comprehensive protections against overcharge, over-discharge, short circuit, and overcurrent, it ensures long-lasting, reliable battery performance across diverse applications like massagers, solar street lights, and LED backup power. Compact and durable, it supports over 50,000 hours of effective life, making it an essential upgrade for any lithium-ion battery pack. ## Description Feature: Charging Voltage: 8.4V-9V Overcharge Voltage Range: 4.25-4.35v±0.05v Over-discharge Voltage Range: 2.3-3.0v±0.05v Max Working Current: 8A Max Peak Current: 16A Working Temperature: -40---+50℃ Storage Conditions: -40-- +80℃ Quiescent Current: less than 30uA Internal Resistance: less than 100mΩ Effective Life: more than 50000 hours Short Circuit Protection: Protectable, change for repair Size: 41*8*2.2mm Applications: low-power inverter, massager battery pack, LED lamp backup power supply, electronic products, solar street lamp battery pack, monitoring backup power supply, etc. Note: This protection board cannot be used for lithium iron phosphate batteries, hernia lights, hand drill battery packs, electric fish machine battery packs, electric bicycle battery packs, children's car batteries, motors above 775 (4A), and 1W fisheye LED lights. When connecting batteries sets in series, please ensure that the voltage of each set of batteries is the same. If they are not the same, please charge the batteries individually to full charge, then use them in series. ## Features - ★High accuracy voltage detection circuit, fine workmanship and durable. - 【Multiple Protection】: Overcharge protection; overdischarge protection; short circuit protection; overcurrent protection. - ★MOS transistor can control the battery charge and discharge, low standby current consumption. - ★Use for variety of capacities and various shapes 3.7V lithium batteries,Massager battery pack, LED light backup power supply, solar street light battery pack, monitor standby power supply, etc. - 【Note】: B+: Battery V+ Positive; B-: Battery V- Negative; P+: Output/Charging V+; P-: Output/Charging V-; MB: The connection point between the batteries. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B5TP7L54 | | Amperage | 8 A | | Battery Charge Time | 50000 hours | | Best Sellers Rank | #879,815 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #4,038 in Power Converters | | Brand | Alinan | | Color | Blue | | Connector Type Used on Cable | Custom Battery Connector | | Current Rating | 16 A | | Customer Reviews | 3.8 3.8 out of 5 stars (14) | | Input Voltage | 8.4 volts | | Item Dimensions D x W x H | 0.09"D x 1.61"W x 0.09"H | | Manufacturer | Alinan | | Number of Items | 6 | | Number of Packs | 6 | | Number of Ports | 4 | | Output Voltage | 8.4 volts_of_direct_current | | Specification Met | FCC, UL | | UPC | 701715521469 | | Unit Count | 6 Count | | Warranty Description | others | ## Product Details - **Brand:** Alinan - **Color:** Blue - **Output Voltage:** 8.4 volts_of_direct_current - **Product Dimensions:** 0.09"D x 1.61"W x 0.09"H - **Specification Met:** FCC, UL ## Images ![6pcs 2S 8A 7.4V 8.4V 16A Current Limit 18650 Lithium Battery Charger BMS Circuit PCB Protection Board for Li-ion Lithium Battery Cell Overcharge Over-Discharge Protection - Image 1](https://m.media-amazon.com/images/I/81SVZ8+OCjL.jpg) ## Frequently Bought Together - Alinan 6pcs 2S 8A 7.4V 8.4V 16A Current Limit 18650 Lithium Battery Charger BMS Circuit PCB Protection Board for Li-ion Lithium Battery Cell Overcharge Over-Discharge Protection - 5 PCS 2S 20A 7.4V 8.4V 18650 Li-Ion Lithium Battery 18650 Charger PCB BMS Board with Balance --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.mx/products/463072749-6pcs-2s-8a-7-4v-8-4v-16a-current-limit](https://www.desertcart.mx/products/463072749-6pcs-2s-8a-7-4v-8-4v-16a-current-limit) --- *Product available on Desertcart Mexico* *Store origin: MX* *Last updated: 2026-09-21*