--- product_id: 474074719 title: "10 Pcs 1S 3.7V 3A Lithium Battery Protection Board BMS PCB Protection Board 18650 Charger Module for Li-ion Lithium Battery with Nickel Strip" brand: "daokai" price: "€ 12.67" currency: EUR in_stock: true category: "Daokai" url: https://www.desertcart.pt/products/474074719-10-pcs-1s-3-7v-3a-lithium-battery-protection-board store_origin: PT region: Portugal --- # 2A continuous charge/discharge current Compact 30x4mm size 4-fold battery protection system 10 Pcs 1S 3.7V 3A Lithium Battery Protection Board BMS PCB Protection Board 18650 Charger Module for Li-ion Lithium Battery with Nickel Strip **Brand:** daokai **Price:** € 12.67 **Availability:** ✅ In Stock ## Summary > 🛠️ Power your projects with precision and protection — don’t get left in the dark! ## Quick Answers - **What is this?** 10 Pcs 1S 3.7V 3A Lithium Battery Protection Board BMS PCB Protection Board 18650 Charger Module for Li-ion Lithium Battery with Nickel Strip by daokai - **How much does it cost?** € 12.67 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/474074719-10-pcs-1s-3-7v-3a-lithium-battery-protection-board) ## Best For - daokai enthusiasts ## Why This Product - Trusted daokai brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Quadruple Safety Shield:** Overcharge, overdischarge, short circuit, and overcurrent protections keep your batteries safe and long-lasting. - • **Ultra-Slim 30x4mm Design:** Fits effortlessly into tight battery packs without bulk—perfect for sleek, modern builds. - • **Power-Packed 2A Current Handling:** Seamlessly supports continuous charging and discharging at 2 amps for reliable performance. - • **Plug & Play Nickel Strip Included:** Comes with a 1-meter nickel strip for quick, professional-grade battery pack assembly. - • **Trusted by DIY Pros & Repair Gurus:** Highly rated and proven to revive and protect 18650 batteries in real-world applications. ## Overview This DAOKAI 10-pack of 1S 3.7V 3A lithium battery protection boards offers compact, high-efficiency battery management with 2A continuous charge/discharge capability. Featuring comprehensive safety protections against overcharge, overdischarge, short circuit, and overcurrent, these 30x4mm PCBs come bundled with a 1-meter nickel strip for easy assembly. Ideal for 18650 battery packs, they ensure longevity and reliability in your power solutions. ## Description Overcharge Detection Voltage: 4.25 ± 0.05V Overcharge Release Voltage: 4.23 ± 0.05V Over Discharge Detection Voltage: 2.45 ± 0.1V Maximal Continuous Charging Current: 2A Maximal Continuous Discharging Current: 2A Over Current Protection: 3A Charging Voltage: 3.7V Product Size: 30 x 4mm / 1.18 x 0.15inch (L x W) Protection: Overcharge Protection; Overdischarge Protection; Short Circuit Protection; Overcurrent Protection. Wiring Instructions: B+ : Connected to the battery positive. B- : Connected battery negative. P+ : for the battery pack output input positive P- : for the battery pack output input negative Package Included: 10 x 1S 3.7V 4A 18650 Lithium Battery Protection Board 1 x Nickel Strip 1 Meters ## Features - 🥇【Parameter】Overcharge Detection Voltage: 4.25 ± 0.05V; Overcharge Release Voltage: 4.23 ± 0.05V; Over Discharge Detection Voltage: 2.45 ± 0.1V; Maximal Continuous Charging Current: 2A; Maximal Continuous Discharging Current: 2A - 🥇【Size】30 x 4mm / 1.18 x 0.15inch (L x W) - 🥇【Protection】Overcharge Protection; Overdischarge Protection; Short Circuit Protection; Overcurrent Protection. - 🥇【Wiring Instructions】B+ : Connected to the battery positive; B- : Connected battery negative; P+ : For the battery pack output input positive; P- : For the battery pack output input negative - 🥇【Package Content】The package comes with 10 x 1S 3.7V 3A 18650 Lithium Battery Protection Board, 1 x Nickel Strip 1 Meters ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09YYH57WZ | | Amperage | 2 Amps | | Best Sellers Rank | 18,535 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 148 in Household Battery Chargers | | Box Contents | 10 x 1S 4A 3.7V 18650 Lithium Battery Protection Board, 1 x Nickel Strip 1 Meters | | Brand Name | DAOKAI | | Colour | 1S 3.7V 3A | | Compatible Devices | Devices that use 18650 batteries | | Connector Types | JST connector | | Country of Origin | China | | Current Rating | 2 Amps | | Customer Reviews | 4.4 4.4 out of 5 stars (67) | | EU Spare Part Availability Duration | 7 Years | | Input Voltage | 3.7 Volts | | Item Weight | 0.01 Kilograms | | Manufacturer | DAOKAI | | Manufacturer Part Number | DE-DA-034 | | Model Number | DE-DA-034 | | Number of Items | 10 | | Number of Packs | 1 | | Output Voltage | 3.7 Volts (DC) | ## Product Details - **Brand:** DAOKAI - **Colour:** 1S 3.7V 3A - **Input voltage:** 3.7 Volts - **Item weight:** 0.01 Kilograms - **Output voltage:** 3.7 Volts (DC) ## Images ![10 Pcs 1S 3.7V 3A Lithium Battery Protection Board BMS PCB Protection Board 18650 Charger Module for Li-ion Lithium Battery with Nickel Strip - Image 1](https://m.media-amazon.com/images/I/51cbBbmPFPL.jpg) ![10 Pcs 1S 3.7V 3A Lithium Battery Protection Board BMS PCB Protection Board 18650 Charger Module for Li-ion Lithium Battery with Nickel Strip - Image 2](https://m.media-amazon.com/images/I/41OOgM4EpoL.jpg) ![10 Pcs 1S 3.7V 3A Lithium Battery Protection Board BMS PCB Protection Board 18650 Charger Module for Li-ion Lithium Battery with Nickel Strip - Image 3](https://m.media-amazon.com/images/I/41jQe0SOflL.jpg) ![10 Pcs 1S 3.7V 3A Lithium Battery Protection Board BMS PCB Protection Board 18650 Charger Module for Li-ion Lithium Battery with Nickel Strip - Image 4](https://m.media-amazon.com/images/I/41mxDUceObL.jpg) ![10 Pcs 1S 3.7V 3A Lithium Battery Protection Board BMS PCB Protection Board 18650 Charger Module for Li-ion Lithium Battery with Nickel Strip - Image 5](https://m.media-amazon.com/images/I/41nG7VlVU3L.jpg) ## Available Options This product comes in different **Color** options. ## Frequently Bought Together - DAOKAI 10 Pcs 1S 3.7V 3A Lithium Battery Protection Board BMS PCB Protection Board 18650 Charger Module for Li-ion Lithium Battery with Nickel Strip - Solar Module,1A 4.4-6.5V input 4.2V output 18650 LiPo Li-ion Lithium Battery Charger MPPT Solar Controller Module(without Pin), Battery Charging Units - Waveshare RP2040-LoRa-HF Development Kit, Integrates SX1262 RF Chip, Long-Range Communication, 850~930MHz Frequency, with USB Type-C Adapter board & FPC cable --- ## 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.pt/products/474074719-10-pcs-1s-3-7v-3a-lithium-battery-protection-board](https://www.desertcart.pt/products/474074719-10-pcs-1s-3-7v-3a-lithium-battery-protection-board) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-10-15*