--- product_id: 625031887 title: "Battery Charger,Universal battery charger,4 Slots Battery Charger,USB charging available，Suitable for AA and AAA rechargeable batteries, intelligent detection technology" brand: "annuoyi" price: "FREE" currency: TND in_stock: false url: https://www.desertcart.tn/products/625031887-battery-charger-universal-battery-charger-4-slots-battery-charger-usb store_origin: TN region: Tunisia --- # Fast charging tech Intelligent LCD display USB & Type-C ports Battery Charger,Universal battery charger,4 Slots Battery Charger,USB charging available，Suitable for AA and AAA rechargeable batteries, intelligent detection technology **Brand:** annuoyi **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > 🔋 Charge smarter, live faster — never miss a beat! ## Quick Answers - **What is this?** Battery Charger,Universal battery charger,4 Slots Battery Charger,USB charging available，Suitable for AA and AAA rechargeable batteries, intelligent detection technology by annuoyi - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/625031887-battery-charger-universal-battery-charger-4-slots-battery-charger-usb) ## Best For - annuoyi enthusiasts ## Why This Product - Trusted annuoyi brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Rapid Power Boost:** Advanced high-current mode delivers fast, efficient charging to keep you powered up without delay. - • **Smart USB Flexibility:** Dual USB & Type-C inputs offer versatile, on-the-go charging options—just don’t double-dip! - • **Built-In Safety Shield:** MCU-controlled multi-protection guards against overcharge, overcurrent, overheating, and short circuits. - • **Universal Compatibility:** Supports AA & AAA Ni-MH batteries with 4 independent slots for mixed charging convenience. - • **Real-Time Battery Insight:** Intelligent LCD screen monitors charging status and detects battery health for peace of mind. ## Overview This universal 4-slot battery charger features fast charging technology, supports AA and AAA Ni-MH batteries, and offers USB & Type-C charging options. Its intelligent LCD screen provides real-time battery status and damage detection, while built-in MCU safety protections ensure reliable, safe operation for all your rechargeable batteries. ## Description Equipped with 4-slot independent charging and independent management system.Battery Charger It has multiple safety protection functions such as overcharging, over discharging, and short circuit,Battery Charger and can automatically identify damaged/defective batteries (without charging them). Charge at constant voltage and current. The built-in LCD display screen displays the operating mode , battery voltage, working current ,Battery Charger charging time , battery capacity , battery percentage and other parameters at a glance. It can simultaneously charge rechargeable batteries of different specifications (18650/26650.../AA/AAA). The battery charger has both micro USB and type-C inputs. You can plug the cable into a wall charger, car charger, or phone charger. ## Features - 【Fast charging function】Battery Charger The battery charger adopts advanced high current mode and fast charging technology to meet your battery needs. - 【USB Charging】USB&Type C provides you with more battery options, making it more convenient and time-saving. Please be careful not to use two charging ports at the same time. Battery Charger (C-type data cables are not included in the packaging) - 【Independent Charging Slot】 The universal intelligent battery charger has 4 independent charging slots, supporting mixed charging mode,Battery Charger suitable for AA, AAA NI-MH batteries. - 【Intelligent LCD screen charger】 The intelligent LCD screen can monitor the battery charging status, handle and detect battery damage. - 【Safety protection】 MCU control, multiple protections, overcharging, overcurrent, overvoltage, overheating, short circuit protection.Constant current charging protects the battery from current fluctuations. - 【 Note 】 If the battery is excessively discharged and the voltage is below 0.3V, the charger will recognize it as a bad battery and the ERR alarm will flash. It is necessary to use other devices to restore the battery voltage to above 0.3V, and then place it in a charger for charging. It is necessary to remove the battery and cut off the power supply of the charger to avoid overheating and damage to the internal components of the charger ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CYZTNQNW | | Best Sellers Rank | #33,707 in Electronics ( See Top 100 in Electronics ) #120 in Household Battery Chargers | | Brand | AnnuoYi | | Compatible Devices | AA, AAA rechargeable batteries | | Connector Type Used on Cable | micro USB, USB-C | | Customer Reviews | 4.1 4.1 out of 5 stars (8) | | Input Voltage | 5 Volts | | Item Dimensions D x W x H | 3D x 10W x 12H centimeters | | Manufacturer | AnnuoYidd | | Number of Items | 1 | | Number of Packs | 1 | | Number of Ports | 4 | | Specification Met | UL | | Unit Count | 4 Count | | Warranty Description | No reason for return or exchange within 7 days after arrival | ## Product Details - **Brand:** AnnuoYi - **Compatible devices:** AA, AAA rechargeable batteries - **Input voltage:** 5 Volts - **Product dimensions:** 3D x 10W x 12H centimeters - **Specification met:** UL ## Images ![Battery Charger,Universal battery charger,4 Slots Battery Charger,USB charging available，Suitable for AA and AAA rechargeable batteries, intelligent detection technology - Image 1](https://m.media-amazon.com/images/I/61AfW-LQ7XL.jpg) ## Frequently Bought Together - AnnuoYi Battery Charger,Universal battery charger,4 Slots Battery Charger,USB charging available，Suitable for AA and AAA rechargeable batteries, intelligent detection technology - DMK POWER Rechargeable AA Batteries,2800mAh High Capacity Batteries 1.2V NiMH Low Self Discharge (4pcs) - COOPIC Create Cool Pictures 4pcs 3000mAh AA HR6 Ni-MH Pre-charged type Rechargeable Battery --- ## 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.tn/products/625031887-battery-charger-universal-battery-charger-4-slots-battery-charger-usb](https://www.desertcart.tn/products/625031887-battery-charger-universal-battery-charger-4-slots-battery-charger-usb) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-08*