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Lithium-Ion Batteries for Gadgets & Electronics

High-performance replacement batteries for smartphones, laptops, wearables, and other electronic devices with superior performance and longevity.

Smartphone Batteries
Laptop Batteries
Wearable Device Batteries
High-Voltage Power Banks
Multiple Voltages

Featured Gadget Batteries

Explore our selection of premium gadget battery solutions

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Choose the Perfect Gadget Battery Solution

Our range of lithium-ion batteries are specifically designed for different electronic devices, ensuring reliable power, long cycle life, and minimal maintenance.

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Smartphone Batteries

Premium lithium battery solutions

Smartphone Batteries

High-capacity replacement batteries for all major smartphone brands, providing longer usage time and reliable performance.

Key Benefits

  • Up to 20% higher capacity than original batteries
  • Extended cycle life for longer overall lifespan
  • Compatible with fast charging technologies
  • Built-in protection circuits for safety
  • Easy installation with professional support
Capacity
2000-5000 mAh
Voltage
3.7V - 3.85V
Cycle Life
800+ cycles
Discharge
Up to 2C
Weight
20g - 50g
View Smartphone Batteries

Common Applications

  • Samsung Galaxy series
  • iPhone replacement kits
  • Xiaomi models
  • Huawei devices
  • Other Android smartphones

Frequently Asked Questions

Will a higher capacity battery damage my phone?

No, our replacement batteries are designed to be fully compatible with your device's power management system. The higher capacity simply means more usage time between charges without any risk to your device.

How difficult is it to replace my smartphone battery?

Difficulty varies by phone model. Some devices have user-replaceable batteries, while others require professional installation. We provide detailed installation guides and offer professional installation services for all models.

Available Voltage Options

3.7V (Standard)
3.85V (High Voltage)

Battery Technology Options

Lithium-ion

Standard lithium-ion batteries offer excellent energy density and are the most common type used in smartphones.

Key Benefits
  • High energy density
  • Low self-discharge
  • No memory effect
  • Lightweight design
Technical Specifications
Energy Density: 250-300 Wh/kg
Cycle Life: 500-800 cycles
Charging Time: 1-2 hours
Operating Temp: 0°C to 45°C

Lithium Iron Phosphate

LiFePO4 batteries offer enhanced safety and longer cycle life for specialized smartphone applications.

Key Benefits
  • Superior safety profile
  • Extended cycle life
  • Better thermal stability
  • Environmentally friendly
Technical Specifications
Energy Density: 90-120 Wh/kg
Cycle Life: 2000+ cycles
Charging Time: 1-3 hours
Operating Temp: -20°C to 60°C

Why Choose AmpereX for Your Smartphone Batteries?

Our lithium-ion batteries are engineered to provide superior reliability, longer lifespan, and better performance than standard alternatives.

Premium Cell Technology

We use only the highest quality lithium-ion cells from top manufacturers like Samsung, LG, and Panasonic for maximum energy density, reliability, and safety. Our premium cells ensure consistent performance even in challenging conditions.

Advanced BMS Protection

Our intelligent Battery Management System provides multiple layers of protection including thermal management, overcharge prevention, short-circuit protection, and cell balancing to ensure optimal performance and safety throughout the battery's lifespan.

Extended Cycle Life

Our batteries are designed to last 800+ cycles, providing years of reliable service with minimal capacity degradation. This means more usage and better value compared to conventional batteries that may need replacement much sooner.

Fast Charging Compatible

Our smartphone batteries support the latest fast charging technologies, getting your device back to full power quickly when you need it most, without compromising long-term battery health.

Perfect Fit Design

Each battery is precisely engineered to match the exact dimensions and connector positions of your original battery, ensuring a perfect fit and seamless installation in your specific smartphone model.

Certification & Warranty

All our smartphone batteries are certified to meet or exceed OEM specifications and come with a comprehensive 12-month warranty for complete peace of mind.

Ready for Reliable Device Power?

Contact our gadget battery specialists today for personalized recommendations and quotes for your specific device power needs.

Smartphone Batteries

High-capacity replacements for longer usage

Explore Smartphone Batteries

Laptop Batteries

Reliable power for productivity on the go

Explore Laptop Batteries

Wearable Batteries

Compact power for smartwatches and trackers

Explore Wearable Batteries

Power Banks

Multi-voltage portable power solutions

Explore Power Banks