--- product_id: 431146660 title: "JZK 5PCS 2S 7.4V lithium battery protection board module, 7.4v 8.4V 2S BMS PCM Charge Discharge Protection Board for Li-Ion Lipo Battery 18650" brand: "jzk" price: "€ 15.16" currency: EUR in_stock: true category: "Jzk" url: https://www.desertcart.be/products/431146660-jzk-5pcs-2s-7-4v-lithium-battery-protection-board-module store_origin: BE region: Belgium --- # 10A peak current max 50,000+ hour life cycle 3-stage over-current protection JZK 5PCS 2S 7.4V lithium battery protection board module, 7.4v 8.4V 2S BMS PCM Charge Discharge Protection Board for Li-Ion Lipo Battery 18650 **Brand:** jzk **Price:** € 15.16 **Availability:** ✅ In Stock ## Summary > 🛡️ Protect your power, own the charge! ## Quick Answers - **What is this?** JZK 5PCS 2S 7.4V lithium battery protection board module, 7.4v 8.4V 2S BMS PCM Charge Discharge Protection Board for Li-Ion Lipo Battery 18650 by jzk - **How much does it cost?** € 15.16 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/431146660-jzk-5pcs-2s-7-4v-lithium-battery-protection-board-module) ## Best For - jzk enthusiasts ## Why This Product - Trusted jzk brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Endurance Champion:** Engineered for longevity with a 50,000+ hour life cycle, keeping your devices powered longer. - • **Compact & Efficient:** Slim 41x16x3.5mm design with ultra-low standby current (<10µA) for seamless integration. - • **Triple-Layer Safety:** Built-in three-stage over-current and short circuit protection for ultimate battery security. - • **Precision Voltage Guard:** High-accuracy voltage detection ensures your Li-ion batteries stay perfectly balanced and safe. - • **Powerful Current Handling:** Supports up to 10A peak current for reliable performance under demanding loads. ## Overview The JZK 5PCS 2S 7.4V lithium battery protection board module is a compact, high-precision BMS designed for 2S Li-ion/LiPo 18650 batteries. It features a robust 10A peak current capacity, triple-stage over-current and short circuit protection, and an ultra-long 50,000+ hour life cycle. With low standby current and precise voltage control, it ensures safe, efficient charging and discharging, making it an essential upgrade for any professional-grade battery pack. ## Description Package includes: 5 x 18650 2S 8A Lithium Li-ion Battery Protection Card Descriptions: 1. High precision voltage detection circuit. 2. Charger terminal using high voltage device; 3. Built-in three-stage over-current detection circuit (over current 1, over current 2 or short circuit charge); 4. The MOS transistor can control the charging and discharging of the battery. 5. Low standby current consumption. Features: Overload Voltage: 4.25-4.35V ± 0.05V Upper Voltage: 2.5-3.0V ± 0.05V Max. Operating current: 8A. Max. Peak Current: 10A Operating current: 8.4 V - 9 V. Operating temperature: -40 ~ +50 °C. Storage temperature: -40 to +80 °C. Silent current: less than 10uA Internal resistance: less than 300mΩ Life cycle: more than 50,000 hours. Cut protection: Yes, the load can be repaired. Dimensions: 41 x 16 x 3.5 mm. Connector: B+ Connect positive battery. B - Connect the negative battery. MB Connect the point between battery 1 and battery 2. P+ Positive Charge/Discharge. P-negative charge/discharge Reminder: When combining batteries, the voltage, capacity and resistance of batteries should be well matched. The battery voltage should be about 3.7V at rated voltage. There is no output after battery assembly, and it can be charged with 8.4V voltage. ## Features - Over charge voltage range: 4.25v±0.05v. Over discarge voltage range: 2.9v±0.05v. Max. working current 8A. Max peak current: 10A. Working current: 8.4V - 9V. - Life cycle :more than 50000hours. Resistance: Less than 300mΩ. Short cut protection, charge can repair. - Package contains:5 pieces of 7.4v 8.4V 2S lithium battery protection board. Size: 41*16*3.5mm. 2S 7.4V Li-ion battery protection board, built-in three-stage over-current detection circuit (over-current 1, over-current 2, or load short circuit). - High-accuracy voltage detection circuit; terminal of the charger using high voltage device; MOS transistor can control the battery charge and discharge; low standby current consumption. - Reminder: When combining batteries, the voltage, capacity and resistance of the batteries should be well matched. The battery voltage should be around 3.7V at the rated voltage. There is no output after the battery pack is assembled, and it can be charged with 8.4V voltage. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09VGH38Y5 | | Amperage | 10 Amps | | Battery Charge Time | 50000 hours | | Best Sellers Rank | 10,758 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 2 in Conditional Access Modules | | Brand Name | JZK | | Colour | Blue | | Compatible Devices | Any device using Li-ion/LiPo 18650 batteries | | Connector Types | Custom (B+, B-, MB, P+, P-) | | Country of Origin | China | | Current Rating | 8 Amps | | Customer Reviews | 4.2 4.2 out of 5 stars (158) | | EU Spare Part Availability Duration | 7 Years | | Input Voltage | 8.4 Volts | | Item Dimensions D x W x H | 3D x 16W x 41H millimetres | | Item Weight | 0.03 Kilograms | | Manufacturer | JZK-M468204U | | Manufacturer Part Number | M468204U | | Model Number | M468204U | | Number of Items | 5 | | Number of Packs | 1 | | Output Voltage | 8.4 Volts (DC) | | Specification Met | UL, CE | | Unit Count | 5.0 count | ## Product Details - **Brand:** JZK - **Colour:** Blue - **Item weight:** 0.03 Kilograms - **Output voltage:** 8.4 Volts (DC) - **Product dimensions:** 3D x 16W x 41H millimetres ## Images ![JZK 5PCS 2S 7.4V lithium battery protection board module, 7.4v 8.4V 2S BMS PCM Charge Discharge Protection Board for Li-Ion Lipo Battery 18650 - Image 1](https://m.media-amazon.com/images/I/71ldelv3xCL.jpg) ## Frequently Bought Together - JZK 5PCS 2S 7.4V Lithium Battery Protection Board Module, 7.4v 8.4V 2S BMS PCM Charge Discharge Protection Board for Li-Ion Lipo Battery 18650 - Rebower Toggle Switch Latching Slide Control 6 Pin 2P2T, [for Electronic Projects] - 6mm/10 Pcs --- ## 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.be/products/431146660-jzk-5pcs-2s-7-4v-lithium-battery-protection-board-module](https://www.desertcart.be/products/431146660-jzk-5pcs-2s-7-4v-lithium-battery-protection-board-module) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-10-30*