--- product_id: 431146660 title: "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: "ā‚©25352" currency: KRW in_stock: true category: "Jzk" url: https://www.desertcart.kr/products/431146660-5pcs-2s-7-4v-lithium-battery-protection-board-module-7 store_origin: KR region: South Korea --- # 50,000+ hour life cycle Max 10A peak current Precise 4.25V overcharge cutoff 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:** ā‚©25352 **Availability:** āœ… In Stock ## Summary > šŸ”‹ Protect your power, own the charge ā€” never settle for less! ## Quick Answers - **What is this?** 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?** ā‚©25352 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/431146660-5pcs-2s-7-4v-lithium-battery-protection-board-module-7) ## 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 - ā€¢ **Powerful 10A Peak Current:** Handles high-demand loads with ease for uninterrupted performance. - ā€¢ **Compact & Efficient Design:** Slim 41x16x3.5mm module with low standby current keeps your setup sleek and energy-smart. - ā€¢ **Precision Voltage Protection:** Advanced circuitry ensures exact overcharge and discharge limits to maximize battery health. - ā€¢ **Triple-Stage Overcurrent Defense:** Built-in multi-level protection guards against overloads and short circuits, giving you peace of mind. - ā€¢ **Ultra-Durable 50,000+ Hour Lifespan:** Engineered to outlast and keep your batteries safe for years. ## Overview The JZK 5PCS 2S 7.4V lithium battery protection board set offers high-precision voltage detection and robust triple-stage overcurrent protection, supporting up to 10A peak current. Designed for 2S Li-ion/LiPo 18650 batteries, these compact modules ensure long-lasting battery health with a lifespan exceeding 50,000 hours, low internal resistance under 300mĪ©, and efficient charge/discharge control via MOS transistors. Ideal for professionals demanding reliable, safe, and durable battery management solutions. ## 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 Ā± 0.05V Upper Voltage: 2.5-3.0V Ā± 0.05V Max. Operating current: 8A. Max. Peak Current: 10A Operating current: 8.4 V - 9 V. Operating temperature: -40 ~ +50 Ā°C. Storage temperature: -40 to +80 Ā°C. Silent current: less than 10uA Internal resistance: less than 300mĪ© 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: 4.25vĀ±0.05v. Over discarge voltage range: 2.9vĀ±0.05v. Max. working current 8A. Max peak current: 10A. Working current: 8.4V - 9V. - Life cycle :more than 50000hours. Resistance: Less than 300mĪ©. 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 | | Brand Name | JZK | | Colour | Blue | | Connector Types | Custom (B+, B-, MB, P+, P-) | | Country of Origin | China | | Current Rating | 8 Amps | | Customer Reviews | 4.1 4.1 out of 5 stars (139) | | 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 | | Manufacturer | JZK-M468204U | | Manufacturer Part Number | M468204U | | Model Number | M468204U | | Output Voltage | 8.4 Volts (DC) | | Specification Met | UL, CE | | Unit Count | 5.0 count | ## Product Details - **Brand:** JZK - **Colour:** Blue - **Output voltage:** 8.4 Volts (DC) - **Product dimensions:** 3D x 16W x 41H millimetres - **Specification met:** UL, CE ## Images ![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? - šŸ›’ **Trusted by 1.3+ Million Shoppers** ā€” Serving international shoppers since 2016 - šŸŒ **Shop Globally** ā€” Access 737+ million products across 21 categories - šŸ’° **No Hidden Fees** ā€” All customs, duties, and taxes included in the price - šŸ”„ **15-Day Free Returns** ā€” Hassle-free returns (30 days for PRO members) - šŸ”’ **Secure Payments** ā€” Trusted payment options with buyer protection - ā­ **TrustPilot Rated 4.5/5** ā€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.kr/products/431146660-5pcs-2s-7-4v-lithium-battery-protection-board-module-7](https://www.desertcart.kr/products/431146660-5pcs-2s-7-4v-lithium-battery-protection-board-module-7) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-07-04*