--- product_id: 548400272 title: "5 pcs Lithium battery charging board 3A Polymer Ternary Lithium Battery Quick Fast Charging Board Type-C USB Input High Current IP2312 CC/CV Mode 5V To 4.2V with 26AWG Red and black cable" brand: "youmile" price: "€ 20.57" currency: EUR in_stock: true reviews_count: 6 category: "Youmile" url: https://www.desertcart.hr/products/548400272-5-pcs-lithium-battery-charging-board-3a-polymer-ternary-lithium store_origin: HR region: Croatia --- # 5 pcs Lithium battery charging board 3A Polymer Ternary Lithium Battery Quick Fast Charging Board Type-C USB Input High Current IP2312 CC/CV Mode 5V To 4.2V with 26AWG Red and black cable **Brand:** youmile **Price:** € 20.57 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** 5 pcs Lithium battery charging board 3A Polymer Ternary Lithium Battery Quick Fast Charging Board Type-C USB Input High Current IP2312 CC/CV Mode 5V To 4.2V with 26AWG Red and black cable by youmile - **How much does it cost?** € 20.57 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/548400272-5-pcs-lithium-battery-charging-board-3a-polymer-ternary-lithium) ## Best For - youmile enthusiasts ## Why This Product - Trusted youmile brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Product DescriptionSpecifications:Name: 3A polymer ternary lithium battery fast charging board ;(note not suitable for 3.2V lithium iron phosphate battery)Main control chip: IP2312Input voltage: 4.5~ 5.5VCharging cut-off voltage:4.2V/4.35VCharging current: 3A (Current can be changed by resistance)Indicator light: Yes(Red is the working indicator light, and blue is the full indicator light.)Conversion efficiency: 3A 93%, 2A 94%, 1A 95%Current adjustment instructions: default 3A, remove the resistor 2A, and replace it with a 135k resistor 1A.lp2312 adopts complete CC/CV charging mode:1.When the battery voltage is lower than 3V, enter trickle charging mode to charge the battery with a charging current of 100mA.2.When the battery voltage is greater than 3V, enter the constant current charging mode to charge the battery with the set constant current.3.When the battery voltage is close to 4.2V and the charging current is less than 300mA, enter the constant voltage charging mode. After entering the constant voltage mode, stop charging every 4 minutes,and check whether the battery voltage is higher than 4.15V: ifit is higher than 4.1 5V, stop charging; otherwise, continue charging, and then check after 4 minutes.4.When the battery is full, if the battery voltage is detected to be lower than 4.1V, it will be turned on to charge the battery again.Package Includes:5 x 3A Polymer Ternary Lithium Battery Quick Fast Charging Board1 x 26AWG red and black cable 50 cm each Review: Don't bother - Utter junk, two popped and the third I tested and wasn't even 3a Review: 値段も安く使いやすい - 値段も安く心配しましたが期待通り十分使えますよ ## Features - 【What it does】:The polymer ternary lithium battery fast charging board converts 5V to 4.2V/4.35V, with a maximum current of 3A, to charge your lithium battery equipment.(note that it is not suitable for 3.2V lithium iron phosphate batteries). - 【Chip features】: The IP2312 main control chip adopts a complete CC/CV charging mode, and automatically changes different charging modes under different battery voltages. - 【Specifications】: Input voltage: 4.5~5.5V; charging cut-off voltage: 4.2V/4.35V; charging current: 3A; conversion efficiency: 3A 93%, 2A 94%, 1A 95%; indicator light: yes (red is the working indicator light, blue is full indicator light). - 【Current adjustment instructions】: Default 3A, remove the resistor 2A, and replace it with a 135k resistor 1A. - 【Applications】:Suitable for charging most polymer ternary lithium batteries, 18650 lithium batteries and other types of batteries. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C13LZ6QG | | Amperage | 3 Amps | | Best Sellers Rank | 52,509 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 139 in Household Battery Testers | | Brand | Youmile | | Brand Name | Youmile | | Colour | Black | | Compatible Devices | Devices with appropriate battery types | | Connector Types | USB Type-C, USB | | Country of Origin | China | | Current Rating | 3 Amps | | Customer Reviews | 4.4 out of 5 stars 15 Reviews | | Input Voltage | 5 Volts | | Input voltage | 5 Volts | | Item Weight | 0.02 Kilograms | | Item weight | 0.02 Kilograms | | Manufacturer | Youmile | | Manufacturer Part Number | JK-YM-631 | | Model Number | JK-YM-631 | | Number of Ports | 5 | | Output Voltage | 4.2 Volts (DC) | | Output voltage | 4.2 Volts (DC) | | Specification Met | UL, FCC, CE, UKCA | | Specification met | UL, FCC, CE, UKCA | ## Images ![5 pcs Lithium battery charging board 3A Polymer Ternary Lithium Battery Quick Fast Charging Board Type-C USB Input High Current IP2312 CC/CV Mode 5V To 4.2V with 26AWG Red and black cable - Image 1](https://m.media-amazon.com/images/I/71mTlgRimuL.jpg) ![5 pcs Lithium battery charging board 3A Polymer Ternary Lithium Battery Quick Fast Charging Board Type-C USB Input High Current IP2312 CC/CV Mode 5V To 4.2V with 26AWG Red and black cable - Image 2](https://m.media-amazon.com/images/I/61KxJoHLyIL.jpg) ![5 pcs Lithium battery charging board 3A Polymer Ternary Lithium Battery Quick Fast Charging Board Type-C USB Input High Current IP2312 CC/CV Mode 5V To 4.2V with 26AWG Red and black cable - Image 3](https://m.media-amazon.com/images/I/618YwipFAlL.jpg) ![5 pcs Lithium battery charging board 3A Polymer Ternary Lithium Battery Quick Fast Charging Board Type-C USB Input High Current IP2312 CC/CV Mode 5V To 4.2V with 26AWG Red and black cable - Image 4](https://m.media-amazon.com/images/I/61bH93fxZmL.jpg) ![5 pcs Lithium battery charging board 3A Polymer Ternary Lithium Battery Quick Fast Charging Board Type-C USB Input High Current IP2312 CC/CV Mode 5V To 4.2V with 26AWG Red and black cable - Image 5](https://m.media-amazon.com/images/I/61SBWDU1+HL.jpg) ## Customer Reviews ### ⭐ Don't bother *by K***N on 25 May 2026* Utter junk, two popped and the third I tested and wasn't even 3a ### ⭐⭐⭐⭐⭐ 値段も安く使いやすい *by ヤ***ん on 10 January 2025* 値段も安く心配しましたが期待通り十分使えますよ ### ⭐⭐⭐⭐⭐ Top *by S***2 on 25 October 2025* Erwartungen voll erfüllt --- ## 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.hr/products/548400272-5-pcs-lithium-battery-charging-board-3a-polymer-ternary-lithium](https://www.desertcart.hr/products/548400272-5-pcs-lithium-battery-charging-board-3a-polymer-ternary-lithium) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-06-20*