How to Check Battery Health on Refurbished Phones

Battery health is one of the most important factors when buying a refurbished phone. A degraded battery can significantly impact your daily experience. Here's how to check and interpret battery health on any device.

Why Battery Health Matters

Phone batteries degrade over time:

New battery (100%): Full day of use

Good battery (85-99%): Nearly full day of use

Fair battery (80-84%): May need charging during the day

Poor battery (<80%): Significant daily limitations

At AnyRestore, we only sell phones with batteries at 80%+ health or we replace them.

Checking Battery Health on iPhone

Method 1: Settings (iOS 11.3+)

1. Open Settings 2. Tap Battery 3. Tap Battery Health & Charging 4. Look at Maximum Capacity

What the numbers mean:

95-100%: Excellent - Like new

90-94%: Very Good - Minimal degradation

85-89%: Good - Slight reduction in daily use

80-84%: Fair - Consider replacement

Below 80%: Poor - Replacement recommended

Method 2: Coconut Battery (Mac)

1. Connect iPhone to Mac 2. Download Coconut Battery (free) 3. View detailed battery information

Checking Battery Health on Android

Samsung Devices

1. Open Settings 2. Tap Battery and Device Care 3. Tap Battery 4. View battery status

Or use Samsung Members app: 1. Open Samsung Members 2. Tap Diagnostics 3. Tap Phone diagnostics 4. Select Battery status

Other Android Devices

Method 1: Dialer Code 1. Open Phone app 2. Dial ##4636## (may not work on all devices) 3. Tap Battery Information

Method 2: Third-Party Apps

AccuBattery (Free): Provides detailed battery analysis

Battery HD+ (Free): Simple battery health indicator

Understanding Battery Cycles

Batteries degrade with charge cycles:

1 cycle = 0% to 100% charge (can be split across multiple charges)

Typical battery lifespan: 500-800 cycles to 80% capacity

Daily charging: About 2 years of typical use

Signs of Battery Degradation

Watch for these symptoms:

Phone dies at 20-30%

Rapid battery drain

Slow charging

Phone gets hot during use

Random shutdowns

Battery percentage jumps

Battery Replacement Options

If battery health is below 80%:

1. Professional replacement: €30-80 at a repair shop 2. DIY replacement: €15-40 for parts (advanced users only) 3. Choose a device with new battery: At AnyRestore, select the "New Battery" option

Tips to Extend Battery Life

Once you have your refurbished phone:

1. Avoid extreme temperatures: Don't leave in hot cars or cold environments 2. Optimal charging: Keep between 20-80% when possible 3. Use original chargers: Third-party chargers may damage battery 4. Enable low power mode: When battery is low 5. Reduce brightness: Screen is the biggest battery drain 6. Disable unnecessary features: Location, Bluetooth, etc.

Questions to Ask When Buying

1. What is the current battery health percentage? 2. Has the battery been replaced? 3. Is a new battery option available? 4. What is the warranty coverage for battery issues?

At AnyRestore, all our listings show battery health, and many devices come with the option of a new battery installation.