--- product_id: 529481842 title: "3pcs Type C BMS 2S 3S 4S 1A 2A 4A 18650 Lithium Battery Charger Board USB C Step-up Boost Module for Li-Po Polymer Power Bank(3pcs 3S 4A)" brand: "dweii" price: "C$1191" currency: NIO in_stock: true reviews_count: 8 category: "Dweii" url: https://www.desertcart.ni/products/529481842-3pcs-type-c-bms-2s-3s-4s-1a-2a-4a store_origin: NI region: Nicaragua --- # Type-C 5V input boost 3S 4A max charging power Wide -40℃ to +85℃ range 3pcs Type C BMS 2S 3S 4S 1A 2A 4A 18650 Lithium Battery Charger Board USB C Step-up Boost Module for Li-Po Polymer Power Bank(3pcs 3S 4A) **Brand:** dweii **Price:** C$1191 **Availability:** ✅ In Stock ## Summary > ⚡ Boost Your Battery Game with Smart USB-C Power! ## Quick Answers - **What is this?** 3pcs Type C BMS 2S 3S 4S 1A 2A 4A 18650 Lithium Battery Charger Board USB C Step-up Boost Module for Li-Po Polymer Power Bank(3pcs 3S 4A) by dweii - **How much does it cost?** C$1191 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/529481842-3pcs-type-c-bms-2s-3s-4s-1a-2a-4a) ## Best For - dweii enthusiasts ## Why This Product - Trusted dweii brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **USB-C Convenience:** Modern Type-C input ensures fast, reversible, and universal 5V power supply compatibility - • **Smart Safety First:** Built-in overvoltage, undervoltage, and short-circuit protections keep your batteries safe and sound - • **Visual Charge Status:** Dual LED indicators provide real-time feedback on charging progress and completion - • **Compact & Lightweight:** Slim 39x18x6.3mm design weighing just 5g fits seamlessly into your DIY power projects - • **Power Up with Precision:** Step-up boost module delivers stable 8.4V to 16.8V charging for 2S-4S LiPo & Li-Ion batteries ## Overview This 3-piece set of Type-C BMS step-up boost modules efficiently charges 2S to 4S 18650 LiPo/Li-Ion batteries at currents up to 4A. Designed for compactness and safety, it supports a wide operating temperature range and features LED indicators for charge status, making it an essential upgrade for power bank builders and battery enthusiasts seeking reliable, USB-C powered charging solutions. ## Description Multi-Cell 2S 3S 4S Type-C To 8.4V 12.6V 16.8V Step-Up Boost LiPo Polymer Li-Ion Charger 7.4V 11.1V 14.8V 18650 Lithium BatteryDescription:2-Cell(2S) 8.4V Version:Input voltage : DC 3-6V(Recommend DC 3.7V 5V)Input current : 1A(1A Version);2A(2A Version);4A(4A Version)Charging voltage : 8.4VCharging current : 0.55A(1A Version);1.1A(2A Version);2.2A(4A Version)3-Cell(3S) 12.6V Version:Input voltage : DC 3-6V(Recommend DC 3.7V 5V)Input current : 1A(1A Version);2A(2A Version);4A(4A Version)Charging voltage : 12.6VCharging current : 0.37A(1A Version);0.74A(2A Version);1.48A(4A Version)4-Cell(4S) 16.8V Version:Input voltage : DC 3-6V(Recommend DC 3.7V 5V)Input current : 1A(1A Version);2A(2A Version);4A(4A Version)Charging voltage : 16.8VCharging current : 0.28A(1A Version);0.56A(2A Version);1.12A(4A Version)Package: 3PCS Review: No hassle voltage pump from USB C - Simple to use and working well. Review: Do not buy - Absolute trash. Heats up to unsafe levels and shuts down, I actually received a burn from this product. ## Features - 3PCS Multi-Cell 2S 3S 4S Type-C to 8.4V 12.6V 16.8V Step-Up Boost LiPo Polymer Li-Ion Charger 7.4V 11.1V 14.8V 18650 Lithium Battery (3S-4A) - Input Type-C 5V; Operating Temperature－40℃ to ＋85℃; - Protection for Battery Voltage Being Low than Input and Short Battery Good adaptability to Input Supply with Limited Driving Capability - Size :39mm x 18mm x 6.3mm;Weight : 5g; Battery Overvoltage Protection - Led indicator : ''CR'' LED is charge status indicator ''OK'' LED is fully charged OR Constant voltage mode; ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BZC7TWC7 | | Best Sellers Rank | #159,333 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #645 in Power Converters | | Customer Reviews | 3.4 3.4 out of 5 stars (51) | | Date First Available | March 23, 2023 | | Item Weight | 0.176 ounces | | Manufacturer | Dweii | | Product Dimensions | 0.25 x 0.71 x 0.25 inches | ## Product Details - **Brand:** DWEII - **Color:** 3S 4A - **Item Weight:** 5 Grams - **Output Voltage:** 5 Volts - **Product Dimensions:** 0.25"D x 0.71"W x 0.25"H ## Images ![3pcs Type C BMS 2S 3S 4S 1A 2A 4A 18650 Lithium Battery Charger Board USB C Step-up Boost Module for Li-Po Polymer Power Bank(3pcs 3S 4A) - Image 1](https://m.media-amazon.com/images/I/719GFDzjSvL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ No hassle voltage pump from USB C *by N***T on January 3, 2026* Simple to use and working well. ### ⭐ Do not buy *by M***S on September 15, 2025* Absolute trash. Heats up to unsafe levels and shuts down, I actually received a burn from this product. ### ⭐⭐⭐⭐⭐ Works fine. *by C***E on March 11, 2025* Mine were 4s lithium ion. Perfect solution. Weirdly needed a correct wire. If it doesn’t work try a different wire and block. No idea. ## Frequently Bought Together - 3pcs Type C BMS 2S 3S 4S 1A 2A 4A 18650 Lithium Battery Charger Board USB C Step-up Boost Module for Li-Po Polymer Power Bank(3pcs 3S 4A) - DIANN 4pcs 3S BMS 18650 Lithium Battery Protection Board Li-ion Charger Protection Module 12.6V 20A PCB BMS Protection Board for Li-ion Lithium Battery Cell --- ## 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.ni/products/529481842-3pcs-type-c-bms-2s-3s-4s-1a-2a-4a](https://www.desertcart.ni/products/529481842-3pcs-type-c-bms-2s-3s-4s-1a-2a-4a) --- *Product available on Desertcart Nicaragua* *Store origin: NI* *Last updated: 2026-04-25*