Asus ZenWatch 2 vs Asus ZenWatch 3 (WI503Q)

Last Updated & Fact Checked:  May 13, 2026

Are you trying to decide between the Asus ZenWatch 2 and the Asus ZenWatch 3 (WI503Q)?

Product Versus will provide you with all the product details so you can quickly compare the facts to find which product is right for you – the Asus ZenWatch 2 or the Asus ZenWatch 3 (WI503Q) – and find out exactly what the differences are.

Both the Asus ZenWatch 2 and the Asus ZenWatch 3 (WI503Q) are quality products, so read on to find out which one is best for your needs!

Asus ZenWatch 2 quick facts

Asus ZenWatch 3 (WI503Q) quick facts

Asus ZenWatch 2 product details

Bestseller No. 1
Fashioneey Charger Compatible for Asus Zenwatch 2, 3.3ft Portable USB Charging Cable Cord Replacement Charging Cradle Station Compatible Asus Zenwatch 2 Smartwatch & WI501Q/ WI502Q
  • COMPATINLE:for Asus ZenWatch charger Just Available for 2nd WI501Q /WI502Q Smartwatch and Data Sync is Available.( Not Suitable for Zenwatch 1)
  • FAST CHAEGING:for Asus ZenWatch Charging Cable could provide high efficiency and high stability fast charging with PC, laptop, notebook and power bank.
  • POWER PROTECTION: This Replacement Charging Cradle Station Compatible for Asus Zenwatch 2 will prevent your smartwatch over charging better.It is a good replacement charger dock for your Asus Zenwatch 2.
  • CONVENIENT:"Fashioneey" Replacement charging cable for Asus Zenwatch 2nd WI501Q / WI502Q smart watch,The Portable and light-weight design is convenient for travele and business.Make charging your smart watch become more convenient.
  • NOTE!: Do not use this charger with a USB voltage output higher than 1A, as it could damage the device and the charger.
Bestseller No. 2
ArmorSuit MilitaryShield Screen Protector for ASUS ZenWatch 2-1.63" (2 Pack) Max Coveage HD Clear Anti-Bubble Film
  • ArmorSuit MilitaryShield Kit for ASUS ZenWatch 2 - 1.63" WI501Q includes our MilitaryShield piece(s), Installation Solution, Squeegee, Lint-free cloth, and Installation Instructions.
  • Ultra HD Clear and amazingly thin, perfectly matches the contours of your device. Easy application with flexible material is designed for maximum full coverage on curved corners and edges on your device.
  • Created from scratch-proof, ultra-tough, optically clear, military-grade, yellow-resistant material and is custom fit for each particular gadget and device with full body and screen protection.
  • MilitaryShield has self-healing technology, which helps eliminate minor scratches on the film all by itself. Significantly reduces dust, oil and fingerprint smudges.
  • ArmorSuit stands behind the quality of our MilitaryShield products to ensure 100% Satisfaction to all of our customers. All ArmorSuit MilitaryShield products are backed by Lifetime Replacement Warranty. Made in USA.
Bestseller No. 3
Duotipa Battery C11N1540 Compatible with Asus Zenwatch 2 WI501QF with Repair Tool Kit
  • 【Compatible Models】 Asus Zenwatch 2 WI501QF.Please check your old battery number before buying this battery.
  • 【Top Quality Battery】: Made of grade A premium battery cells, long lasting and durable. Build-in microchip to prevent over-charging, over-discharging and over-heating, which will help lengthen battery life
  • 【Battery Tip】When using the battery for the first time, first use up the virtual power that comes with the battery when it leaves the factory, and then turn off the phone when it is used. Then charge it for 6-8 minutes, taking care not to overcharge, so as not to damage the battery cells and affect the service life. Fully activate the battery after 3-4 cycles to achieve the best use effect.
  • 【Installation Information】: No user manual included, we recommend the installation by professionals. If you need to install yourself, you can view some installation videos on YouTube. These videos can help you to better complete the installation.
  • 【Best Service】 Friendly customer service. Please contact first if this battery cannot meet your requirement. we will respond within 24 hours.

Asus ZenWatch 3 (WI503Q) product details

Bestseller No. 1
Durable Watch Battery Compatible for ASUS ZenWatch 3 (WI503Q),Repair kit with Tools 0 Cycle High Capacity 550mAh C11N1609
  • 【Compatible Models】 This is an independent lithium polymer battery that is not sold with the product. Battery Model: C11N1609. This Replacement battery Compatible for ASUS ZenWatch 3 (WI503Q). Before purchasing, please ensure that it matches your device model.
  • 【High Capacity & Long Standby】 Capacity: 550mAh. More energy storage,Brand New 0 Cycles,longer standby time.
  • 【Easy to install】 The size is the same as the original battery,Precisely matched,And most people can easily replace the battery.You can also use it as a backup battery.
  • 【Safe and Reliable】 The battery is equipped with an intelligent chip,Which has functions such as short circuit protection,overcharge prevention, overdischarge protection,overheating protection,etc,With high safety performance.
  • 【Long service life】 The design can withstand a large number of charge and discharge cycles without significant capacity reduction.It can withstand up to 1500 charging cycles and maintain a high percentage of its original capacity over time.
Bestseller No. 2
550mAh High-Capacity Battery Compatible for ASUS ZenWatch 3 (WI503Q),C11N1609,Li-ion Polymer 0-Cycle Replacement Watch Battery
  • 【Compatible Product Models】: The battery undergoes compatibility testing after production. Please check whether your device model matches the battery model before purchase to ensure the accuracy of your purchase.
  • 【High Capacity Battery Life】: The high capacity provided by the battery is from the newly upgraded 0-cycle product. It offers long working time and eliminates the need for frequent charging.
  • 【Safety Features】: The battery is equipped with an integrated insulation membrane and an intelligent integrated circuit chip. It features multiple safety mechanisms such as overcharge protection, overdischarge protection, short-circuit protection, and a thermal management system. In high-temperature environments, it automatically reduces frequency and shuts down power supply, with a working temperature range of -20°C to 60°C.
  • 【Cycle Life and Durability】: Utilizing A-grade lithium-ion/polymer batteries, these offer high energy density and long cycle life. They can withstand multiple charging and discharging cycles without significantly reducing capacity. The batteries can endure 600 cycle periods and maintain 70% capacity even after completing the charging cycle.
  • 【Fast Charging & Efficient】: Utilizing intelligent fast charging technology, it automatically adjusts the optimal current, increasing the charging speed by 30%. Once the battery is fully charged, it automatically cuts off the power supply to prevent battery expansion. For the best charging results, please use the original charger.
Bestseller No. 3
Puccy 3 Pack Screen Protector Film, compatible with Asus ZenWatch 3 WI503Q 45mm TPU Guard ( Not Tempered Glass Protectors ) (new version)
  • Please be attention that screen protector is flexible plastic film, Not Tempered Glass.
  • TPU material with smooth surface, keep you a high touch sensitive.
  • 4H Hardness can effectively resist daily scratches.
  • Self-healing properties enable the film to recover from minor scratches and keep your device brand new.
  • Dust-free,bubble free,one-push super easily installation.

New products & alternatives to the Asus ZenWatch 2 and the Asus ZenWatch 3 (WI503Q)

New
ASUS ZenWiFi BT8 Tri-Band WiFi 7 Mesh, 14 Gbps, 3000 sq.ft. (1pk), Dual 2.5G Ports, Security and Parental Controls Included, Smart Home Master SSIDs, 4G & 5G Mobile Tethering
  • Tri-band WiFi 7 speeds up to 14 Gbps with 6 GHz WiFi, MLO, and 4K-QAM
  • AI-powered Smart AiMesh boosts coverage up to 3000 sq. ft. (1-pack) and easy extendibility with compatible ASUS routers for seamless and secure whole home WiFi
  • Seven internal antennas and eight high-power front-end modules eliminates WiFi dead zones
  • 24/7 end-to-end protection with commercial-grade AiProtection Pro and advanced VPNs
  • IoT Network, parental controls & VPN easy setup on multiple devices with Smart Home Master SSIDs
New
ASUS ZenWiFi BD5 Dual-Band WiFi 7 Mesh, 5000 Mbps, 5000 sq.ft (2pk), Dual 2.5G Ports, Security and Parental Controls Included, Smart Home Master SSIDs
  • Dual-band WiFi 7 speeds up to 5000 Mbps with MLO and 4K-QAM
  • ASUS AiMesh technology boosts coverage up to 5000 sq.ft. (2-pack) and easy extendibility with compatible ASUS routers for seamless and secure whole home WiFi
  • Four internal antennas and four high-power front-end modules eliminate WiFi dead zones
  • 24/7 end-to-end protection with commercial-grade AiProtection Pro and advanced VPNs
  • IoT Network, parental controls & VPN easy setup on multiple devices with Smart Home Master SSIDs
New
ASUS ZenWiFi BD4 (1-Pack) Dual-Band WiFi 7 Mesh, 3600 Mbps, 2450 sq. ft., Dual 2.5G Ports, Security and Parental Controls Included, Smart Home Master SSIDs
  • Dual-band WiFi 7 speeds up to 3600 Mbps with MLO and 4K-QAM
  • ASUS AiMesh technology boosts coverage up to 2450 sq.ft. (1-pack) and easy extendibility with compatible ASUS routers for seamless and secure whole home WiFi
  • Four internal antennas and four high-power front-end modules eliminate WiFi dead zones
  • 24/7 end-to-end protection with commercial-grade AiProtection Pro and advanced VPNs
  • IoT Network, parental controls & VPN easy setup on multiple devices with Smart Home Master SSIDs
New
Puccy 4 Pack Screen Protector Film, compatible with ASUS ZenWatch 2 (WI501Q) 49mm ZenWatch2 TPU Guard ( Not Tempered Glass Protectors )
  • Please be attention that screen protector is flexible plastic film, Not Tempered Glass.
  • TPU material with smooth surface, keep you a high touch sensitive and fast fingerprint recognition.
  • 4H Hardness can effectively resist daily scratches.
  • Self-healing properties enable the film to recover from minor scratches and keep your screen brand new.
  • Dust-free,bubble free,one-push super easily installation.
New
Puccy 4 Pack Screen Protector Film, compatible with ASUS ZenWatch 2 (WI502Q) 45mm ZenWatch2 TPU Guard ( Not Tempered Glass Protectors )
  • Please be attention that screen protector is flexible plastic film, Not Tempered Glass.
  • TPU material with smooth surface, keep you a high touch sensitive and fast fingerprint recognition.
  • 4H Hardness can effectively resist daily scratches.
  • Self-healing properties enable the film to recover from minor scratches and keep your screen brand new.
  • Dust-free,bubble free,one-push super easily installation.

Our conclusion on the Asus ZenWatch 2 vs Asus ZenWatch 3 (WI503Q)

Both the Asus ZenWatch 2 and the Asus ZenWatch 3 (WI503Q) are high quality products and we are sure you will be happy with either one. In the end it comes down to your budget and the value for money you are looking for.

Either way, the Asus ZenWatch 2 and the Asus ZenWatch 3 (WI503Q) are both excellent products that will more than do their job!