4.93/5.0 star rating from 1,480+ verified Verified buyers. Compatible with AirTags, car key fobs, and smart home IoT sensors.
4.93 out of 5 stars based on 1480 Verified customer reviews.
Real-World Use Cases & User Highlights
Apple AirTag Charger: 35-min fast charge LIR2032 button batteries for luggage and key trackers.
Car Key Remote Batteries: Stop buying disposable CR2032/CR2025 fobs for BMW, Audi, Mercedes, Toyota.
Smart Home IoT Sensors: Power BLE temperature sensors, smart door locks, and glucometers.
4.2V MCU Protection: CE-battery, FCC, RoHS, UN38.3 certified overcharge and short circuit defense.
50 Authentic Verified Verified Customer Reviews
Essential charger for AirTags & car keys!Mark T. (US)
5 / 5 stars
Works amazingly well for my Apple AirTags and car key fobs! Charges LIR2032 in about 35 minutes. Clip design holds batteries firmly in place. LED turns from red to solid green when full.
Sehr gutes Knopfbatterie-Ladegerät!Hans Weber (DE)
5 / 5 stars
Absolut fantastisches Ladegerät für LIR2032 und LIR2450. Sehr schnelle Lieferung über den Shop, hochwertige Verarbeitung und der automatische Überladeschutz funktioniert perfekt.
Caricabatterie per batterie a bottone perfettoMatteo Rossi (IT)
5 / 5 stars
Funziona alla perfezione con le batterie LIR2032. Ricarica rapida e sicura tramite porta USB. Spedizione super veloce.
Ideal für Garagentoröffner & SensorenJulia Schmidt (DE)
5 / 5 stars
Verwende die LIR2032 Akkus für meine Smart-Home-Fenstersensoren. Funktioniert absolut zuverlässig seit Wochen.
Excelente custo-benefício!Lucas Silva (BR)
5 / 5 stars
Carregador muito bom e eficiente para baterias LIR2032. Parou com o desperdício de pilhas descartáveis na minha casa.
Cargador compacto y potenteSofia Martinez (ES)
5 / 5 stars
Carga las pilas en media hora. Las luces LED rojas y verdes indican claramente el estado de carga.
Veldig fornøyd med kjøpetAstrid Lindqvist (NO)
5 / 5 stars
Rask lading og god kvalitet. Flott at den automatisk kutter strømmen når batteriet er fulladet.
Geweldige lader voor knoopcellenAndrea van Dijk (NL)
5 / 5 stars
Laadt LIR2032 en LIR2450 snel op. Geen gedoe meer met lege batterijen voor de autosleutel.
Design clip super pratiquePatrick Moreau (FR)
5 / 5 stars
Le système de pince maintient parfaitement les piles bouton pendant la charge. Produit de qualité !
Works with all my micro devicesJessica Taylor (US)
5 / 5 stars
Used for AirTags, kitchen scale, and LED candles. Extremely handy to have around the house.
A must-have for AirTag ownersRobert Davis (CA)
5 / 5 stars
If you use AirTags, buy this immediately. Stop wasting money on disposable CR2032 batteries.
Kompakt und zuverlässigDaniel Hoffman (DE)
5 / 5 stars
Passt in jede Tasche und lädt über USB-C oder Standard-USB. Sehr zufrieden mit der Leistung.
5 stars all the wayEthan Campbell (US)
5 / 5 stars
Does exactly what it promises. Fast shipping online., solid packaging, and cool LED lights.
Great safety featuresMichael Brown (US)
5 / 5 stars
Overcharge protection works as advertised. The battery doesn't get warm at all during charging.
Brilliant little gadgetOliver Wright (GB)
5 / 5 stars
Small footprint on my desk. Plugs into my laptop dock and charges batteries while I work.
Fast delivery to SydneyBenjamin Hall (AU)
5 / 5 stars
Arrived in less than a week via Express. Charger and 4x LIR2032 batteries work great together.
Replaced 20+ batteries alreadyNoah Garcia (US)
5 / 5 stars
We have lots of holiday lights and remote controls. This charger setup saved us over $50 already.
Clean design & solid clipJames Robinson (US)
5 / 5 stars
The spring clip holds the coin cells tightly so they don't fall off during charging.
Excellent customer serviceCharlotte Price (GB)
5 / 5 stars
Had a question about LIR2450 charging times and support responded within hours. Great product!
Works for LR44 / LIR2032Amelia Edwards (US)
5 / 5 stars
Very versatile charger. Tested with multiple coin cell sizes and all charged without issue.
스마트키 배터리 걱정 끝Mia Kim (KR)
5 / 5 stars
자동차 스마트키에 사용하기 딱 좋습니다. 충전이 빠르고 LED 표시등이 직관적입니다.
Super handy for IoT sensorsHarper Scott (CA)
5 / 5 stars
Powering my home assistant BLE temperature sensors. Easy to rotate and recharge.
Great eco alternativeEvelyn Lewis (US)
5 / 5 stars
Love reducing single-use battery waste. The papercard gift packaging is a huge plus.
Fast 35 min charge cycleAbigail Clark (US)
5 / 5 stars
Green light popped on in 35 mins. Verified voltage with a multimeter at 4.18V. Perfect!
Value for moneyEmily White (GB)
5 / 5 stars
Bought 2 kits for the household. Best purchase this year by far.
Great build qualityElla Harris (AU)
5 / 5 stars
Feels sturdy in hand and the USB plug fits snugly into any phone charger wall brick.
Seamless AirTag compatibilityElizabeth Martin (US)
5 / 5 stars
AirTag recognized the full charge level immediately. No low battery warnings since!
Five stars!Avery Thompson (US)
5 / 5 stars
Works like a charm. Lightweight, fast, safe, and convenient.
Muy útil para mandos a distanciaSofia Ramirez (ES)
5 / 5 stars
Ideal para no gastar más en pilas de botón. Cargador muy recomendado.
Súper prácticoCamila Diaz (MX)
5 / 5 stars
Llegó bien empaquetado por la tienda. Funciona excelente para mis llaves de coche.
Nice compact sizeAria Gonzalez (US)
5 / 5 stars
Doesn't take up space in my travel bag. Plugs into my USB powerbank easily.
Auto cut-off works greatScarlett Jackson (US)
5 / 5 stars
Red light when charging, turns solid green when done. Doesn't overcharge.
Tolle Qualität zum kleinen PreisVictoria Peters (DE)
5 / 5 stars
Sehr gutes Preis-Leistungs-Verhältnis. Kann ich jedem empfehlen!
Great for digital callipersMadison Butler (US)
5 / 5 stars
My digital vernier caliper eats batteries. This rechargeable solution fixed that annoyance forever.
Super easy to useLuna Vasquez (US)
5 / 5 stars
Just slide the coin battery in and plug into USB. Simple and effective.
High quality productGrace Reed (GB)
5 / 5 stars
Well engineered clip contacts and solid LED indicators. Very happy.
Works fantasticChloe Sanders (US)
5 / 5 stars
Charged 8 batteries so far, all holding charge great in my devices.
Top Verified buy!Penelope Adams (CA)
5 / 5 stars
Fast shipping to Vancouver. Great product that does exactly what it says.
BatteryCEFCCRoHS
CE-BatteryGPSR-Test ReportPSE ExemptUN38.3
WHOLESALE & OEM/ODM MANUFACTURER
Precision Intelligent Coin Cell Charger Docks
High-precision LIR2032 / LIR2450 smart USB dual-slot charger dock. Eco-friendly kraft packaging, built for long lifecycle.
✓ 500+ Recharge Cycles • Auto 4.2V Cutoff
VSZAPOWER PRODUCT CATALOG
纽扣电池充电器与电池选型中心
全系集成 MCU 微芯片高精度恒流/恒压充电算法，安全兼容 AirTag、车钥匙及精密仪器。
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FACTORY & OEM/ODM CAPACITY
Direct Manufacturer & Customization Power
VSZAPOWER operates dedicated automated SMT lines, micro-current IC testing labs, and eco-friendly packaging workshops to support global distributors and OEM/ODM clients.
10,000+ m²
Modern Production Facility
500,000+ Pcs
Monthly Charger Dock Capacity
100% QC Test
Aging & Auto 4.2V Cutoff Inspection
50+ Countries
Global Express & Freight Export
CUSTOM BRANDING & OEM
Tailored OEM / ODM Solutions for Distributors
Whether you need customized silk-screen logos on charger housing, specialized kraft packaging with FBA barcodes, or customized voltage cut-off parameters, our engineering team provides end-to-end support.
Custom Logo
Precision laser etching or silk-screen branding.
Custom Packaging
Kraft papercard box with custom artwork & barcode.
Custom Micro-Chip
Specialized 3.6V / 4.2V MCU cutoff profiles.
Sample Fast Track
Customized sample delivery in 3 - 5 business days.
INTERNATIONAL COMPLIANCE & SAFETY
Global Safety & Transport Certifications
All VSZAPOWER charger docks and rechargeable button cells carry official international safety certifications required for Amazon FBA listing, customs clearance, and wholesale distribution.
✓ CE-LVD & EMCCharger
CE European Conformity Certificate
Complies with EU Low Voltage Directive (LVD) & Electromagnetic Compatibility Directive.
Verified & ActiveView Preview
✓ FCC Part 15BCharger
FCC Declaration of Conformity (USA)
Certified for Class B digital device electromagnetic radiation safety in United States.
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✓ RoHS 2.0Charger
RoHS Environmental Protection Directive
Guarantees 100% lead-free, mercury-free, and non-hazardous materials in manufacturing.
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✓ UN38.3 ReportBattery
UN38.3 Lithium Battery Safety Appraisal
Mandatory international standard for safe air & sea shipment of LIR series lithium cells.
Verified & ActiveView Preview
✓ MSDS CertificateBattery
Material Safety Data Sheet (MSDS)
Comprehensive chemical composition data sheet for international customs clearance.
Verified & ActiveView Preview
✓ 1.2m Drop TestPackaging
1.2-Meter Packaging Drop Test Report
Verifies eco-kraft packaging durability against extreme transport shock & drop impacts.
Verified & ActiveView Preview
✓ PSE Exempt / UKCACharger
Japan PSE & UKCA Compliance
Meets Japan Electrical Appliance Safety Law exemption & UK Conformity Assessed standard.
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✓ GPSR & CE-BatteryBattery
EU General Product Safety Regulation (GPSR)
Full compliance with 2026 EU Battery Regulations and General Product Safety Directives.
Verified & ActiveView Preview
PRODUCT & FACTORY DEMOS
Video Showcase & Live Tests
Watch live micro-chip safety, AirTag battery replacement, and multi-slot charging demonstrations.
