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PL572428 500mAh 3.87V Li-Polymer replacement battery for Huami T-Rex 2 rugged smartwatch, front view on white background

PL572428 500mAh 3.87V Li-Polymer Battery for Huami T-Rex 2 T-Rex Ultra Rugged Smartwatch

Original price was: $10.99.Current price is: $8.99.

🔘 PL572428 500mAh 3.87V | 🔋 Li-Polymer | ⌚ For Huami T-Rex 2 / T-Rex Ultra Rugged Smartwatch

8 in stock

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SKU: PL572428 Category: Tags: , , , ,
📦 Shipping, Warranty & After-Sales Information (Click to expand ▼)

✅ Why Our Warranty Stands Out

Unlike marketplace sellers with short buyer protection windows, we handle claims directly — no automated disputes, no endless back-and-forth.

Compare✅ Qingsm Tech⚠️ eBay / AliExpress
Warranty Period90 days from delivery15-30 days from order confirmation
When It Starts📦 Upon delivery⚠️ Upon order confirmation (even before you receive it)
Claims HandlingWe do it directly — email usAutomated dispute system, seller dependent
After Window ExpiresStill can contact us for supportNo recourse, seller can ignore you

🔋 90-day warranty is the industry standard for replacement batteries. Batteries naturally lose capacity over time — this normal wear is not covered. Warranty applies to manufacturing defects only.

📦 Shipping Cost & Delivery Time (Economy Shipping from China)

📦 Note: Batteries are classified as hazardous goods and must be shipped via specialized channels, which may take slightly longer than standard couriers. Delivery times are estimates and may be affected by customs, weather, or other unforeseen circumstances. If your country is not listed in the table below, we are currently unable to ship batteries to that destination.

DestinationFreight (USD)Est. Delivery Time
United States$7.808–15 days
Canada$6.8018–30 days
Mexico$10.0030–60 days
Germany, France, United Kingdom, Greece$6.5018–30 days
Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Hungary, Ireland, Italy, Luxembourg, Netherlands, Norway, Poland, Portugal, Slovakia, Spain, Sweden, Switzerland$8.0018–30 days
Croatia, Finland, Lithuania, Latvia, Slovenia$8.0030–50 days
Bulgaria, Romania$14.0030–50 days
South Korea, Japan, Australia, New Zealand, Israel, Malaysia, Singapore, Thailand, Philippines, Kazakhstan$7.5018–30 days
United Arab Emirates, Saudi Arabia, Vietnam, Chile, Peru, Colombia, Brazil$18.0025–60 days

🇧🇷 Note for Brazil: Brazilian customs can occasionally cause delays of up to 80 days or more. And please indicate the recipient's CPF, as it is required for Brazilian customs and shipping. Thanks! We appreciate your understanding.

🇪🇺 Note for EU countries: Due to new EU customs regulations effective July 1, 2026, a flat tariff fee of $4.00 (approx. €3.50) applies to shipments to EU countries. This fee covers customs tariff, handling, and payment processing costs, and will be added at checkout. Thank you for your understanding.

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Description

✅ Condition: Brand New – Never used, factory-tested quality

✅ CE / RoHS / UN38.3 Certified – Safety tested

✅ 500mAh Capacity – For Huami T-Rex 2 / T-Rex Ultra

✅ For Military-Grade Rugged Smartwatches – GPS, heart rate monitoring

✅ 90-Day Warranty – Hassle-free replacement

✅ Ships in 3-7 days with tracking – Fast delivery

🛡️ Shipping Protection Available at Checkout – Covered against loss, damage, or theft

✅ PayPal Buyer Protection included – Secure checkout

✅ 100% Compatibility Guarantee – If it doesn’t fit, we’ll refund you. No questions asked.

⚠️ Low Stock Alert: Only 8 left in stock. Order now to avoid waiting.

Battery model: PL572428
Battery capacity: 500mAh / approx. 1.94Wh
Rated voltage: 3.87V
Charge limit voltage: 4.4V
Battery type: Li-Polymer
Compatible with: Huami T-Rex 2, Huami T-Rex Ultra
Package include: 1 x battery
Restore the outdoor power of your Huami T-Rex 2 or T-Rex Ultra smartwatch with this PL572428 500mAh replacement battery. Both models meet military-grade durability standards — the T-Rex Ultra features 100m water resistance, -30°C low-temperature mode, and dual-band GPS for extreme environments. This Li-Polymer cell delivers reliable 500mAh capacity for GPS tracking, heart rate monitoring, and extended outdoor activities. Built-in multi-layer safety protection guards against overcharge, over-discharge, and short circuits. Made with grade A cells. CE, RoHS, and UN38.3 certified for safety compliance.
Compatibility Note: Fits Huami T-Rex 2 and T-Rex Ultra. Both models use the same battery. Professional installation recommended — smartwatches are sealed devices requiring heating to open. Please check your original battery model before purchasing.
Battery Care Tips: Avoid full discharge (keep above 20%). Keep away from high temperatures. If swelling occurs, stop use immediately. For best performance, use the original magnetic charger that came with your watch.

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Frequently Asked Questions

The PL572428 battery is compatible with Huami T-Rex 2 and Huami T-Rex Ultra rugged smartwatches. The T-Rex 2 was released in May 2022, and the T-Rex Ultra followed in March 2023 with enhanced features including 100m water resistance and -30°C low-temperature mode. Both models use the same 500mAh battery. If your T-Rex 2 or T-Rex Ultra battery is draining too fast or not holding a charge, this is the correct replacement. Please check your original battery model before purchasing.

This PL572428 battery has a capacity of 500mAh at 3.87V with a charge limit of 4.4V. The T-Rex Ultra is rated for -30°C low-temperature operation — ideal for polar expeditions and high-altitude activities. Original battery replacement requires professional installation due to the watch's sealed design. If you need a high-capacity replacement battery for your rugged smartwatch to support GPS tracking and outdoor adventures, this Li-Polymer cell is a reliable choice. Made with grade A cells, CE, RoHS, and UN38.3 certified.

Yes, professional installation is strongly recommended for the Huami T-Rex 2 and T-Rex Ultra. These rugged smartwatches have sealed construction with the display glued to the case. Improper opening can crack the screen or compromise the 100m water resistance rating. Replacement requires heating to soften adhesive and careful separation of the display. Professional repair shops typically charge $15-25 for smartwatch battery replacement including labor. If you choose to DIY, watch multiple tutorial videos before starting and use a heat gun with extreme care. Always power off the watch completely before attempting replacement. After installation, ensure the waterproof seals are properly reinstalled.

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This battery is in stock and ready to ship within 3-7 days. 90-day warranty included.

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