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  • Replacement Watch Battery for Fitbit Alta HR Wristband Battery
  • Replacement Watch Battery for Fitbit Alta HR Wristband Battery
  • Replacement Watch Battery for Fitbit Alta HR Wristband Battery
  • Replacement Watch Battery for Fitbit Alta HR Wristband Battery
  • Replacement Watch Battery for Fitbit Alta HR Wristband Battery
  • Replacement Watch Battery for Fitbit Alta HR Wristband Battery
Replacement Watch Battery for Fitbit Alta HR Wristband Battery

Replacement Watch Battery for Fitbit Alta HR Wristband Battery

  • 50 - 499 Pieces
    $3.50
  • 500 - 9999 Pieces
    $2.50
  • >= 10000 Pieces
    $1.80
View product details

Replacement Watch Battery for Fitbit Alta HR Wristband Battery

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Direct Replacement Battery: Specifically designed to replace the original battery in Fitbit Alta HR smartwatches, ensuring seamless integration and optimal performance.
  • Rechargeable Lithium-Polymer Technology: Offers high energy density and lightweight durability, supporting extended usage between charges with a 46mAh capacity and 3.7VDC voltage.

Key features

  • 1. Advanced Material Technology

    • With lithium-polymer construction, achieve a lightweight and compact design ideal for wearable devices. ~30% lighter than traditional lithium-ion batteries*.

  • 2. Plug-and-Play Interactive Design

    • With plug-and-play installation, replace the original battery in minutes without tools. Faster setup than models requiring soldering*.

  • 3. High-Performance Rechargeable Power

    • With rechargeable lithium technology, provide stable power output for extended device operation. Outlasts disposable battery alternatives*.

  • 4. Multi-Brand Compatibility Solution

    • Designed for Fitbit Alta HR and JBL smartwatches, ensures seamless compatibility for quick device integration. Works with 2+ leading brands*.

  • 5. Comprehensive Certification Standards

    • Certified to RoHS, FCC, and PSE standards, guaranteeing safety and environmental compliance. Meets stricter regulations than non-certified batteries*.

Product details

Replacement Watch Battery for Fitbit Alta HR Wristband Battery

The SW-26 Replacement Watch Battery for Fitbit Alta HR is a compact, high-performance lithium-polymer battery designed to power wearable devices like smartwatches. With certifications like RoHS, FCC, and PSE, it ensures safety and compliance with global standards. Its 46mAh capacity and 3.7VDC voltage deliver reliable power for extended use, while its direct-fit design simplifies installation.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialLithium-PolymerCompact wearables requiring lightweight power
Capacity46mAhEnsures consistent power for fitness trackers
Voltage3.7VDC (4.2VDC max charge)Matches device requirements for stable operation
Safety CertificationsRoHS, FCC, PSECompliance with international safety and environmental standards
CompatibilityFitbit Alta HR, JBL Smart WatchesDirect replacement for seamless device integration

Customization guide

Adjustable parameters: While this battery is pre-configured for specific devices, customization options like voltage tolerance adjustments or connector types can be tailored for niche applications (e.g., industrial IoT wearables).

Get inspired

Power your smartwatch with confidence. The SW-26’s lightweight design and energy efficiency make it ideal for fitness enthusiasts and professionals needing reliable, long-lasting power without bulk.

Choose your model

ParameterBase Model (40mAh)Advanced Model (46mAh)Pro Model (50mAh)
Capacity40mAh46mAh (+15%)50mAh (+25%)
Weight1.2g1.1g (-8%)1.0g (-17%)
Charging Speed2 hours1.5 hours (-25%)1 hour (-50%)

Supplier's note

  1. Three Technical Breakthroughs:

    • Lithium-Polymer Material: Enables a 30% thinner profile than traditional Li-ion, ideal for slim wearables.
    • Triple Certification Compliance: RoHS, FCC, and PSE ensure global deployment without regulatory hurdles.
    • Universal Connector Design: Reduces installation time by 50% compared to custom-fit batteries.

  2. Optimal Version Selection:

    • Base Model: Best for basic fitness trackers with low power consumption (e.g., step counters).
    • Advanced Model: Perfect for mainstream smartwatches like Fitbit Alta HR, balancing capacity and cost.
    • Pro Model: Tailored for power-hungry devices (e.g., GPS-enabled wearables) needing extended runtime.

With its 46mAh capacity, the Advanced Model ensures 20% longer usage than industry-standard 40mAh batteries. The Pro Model’s 50mAh and faster charging (1 hour vs. 2 hours for competitors) make it ideal for users prioritizing speed and endurance.

Frequently asked questions

  • Which replacement battery model is best suited for a Fitbit Alta HR smartwatch?

  • How do I safely charge the Fitbit Alta HR lithium-polymer battery?

  • What’s the difference between lithium-polymer and standard batteries for smartwatches?

  • Is this battery compatible with JBL smartwatches?

  • Does the Fitbit Alta HR replacement battery meet FCC and RoHS standards?

  • How long does the 46mAh battery last in the Alta HR?

  • Can I replace the battery myself without professional help?

  • What are the voltage and capacity specs of this Fitbit Alta HR battery?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Rechargeable Lithium-PolymerFitness Trackers, SmartwatchesLithium-Polymer (3.7VDC, 46mAh) ▲ (vs Li-ion 30mAh)Lighter, compact design; higher energy density (▲ over industry standard)Slightly higher cost than disposable batteries.
CapacityFrequent Users, Long Wear Time46mAh ▲ (vs industry standard 30mAh)Extended usage between charges (e.g., 7 days vs 3–4 days for standard batteries)Requires charging infrastructure; slower charge time (▲▲ in Advanced tier).
RechargeabilityDaily Use, Sustainability GoalsRechargeable (4.2V max charging voltage) ▲Reduces e-waste; cost-effective long-term (▲ over disposable batteries).Requires compatible charger; risk of overcharging without protection circuits.
CertificationsGlobal Markets (EU, US, Asia)RoHS, FCC, PSE ▲ (vs basic CE compliance)Meets stringent safety and environmental standards (▲▲ over generic brands).Compliance adds manufacturing costs.
Brand-Specific CompatibilityFitbit Alta HR, JBL SmartwatchesDirect fit for branded devices (e.g., 0.5mm thickness tolerance) ▲Seamless integration; no modification required (▲ over universal batteries).Limited to specific models; no compatibility with non-listed brands.
Safety FeaturesHigh-Risk Environments (e.g., factories)Overcharge/overheat protection (IEC 62133 certified) ▲Prevents thermal runaway and leakage (▲▲ over non-certified alternatives).Adds complexity to design; may reduce energy efficiency slightly.

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The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.