CYOO Lithium-Ion Polymer Battery for Apple iPhone 4S - 1430mAh (Replaces APN616-0579) for APN616-0579

Your iPhone 4S no longer holds a charge like it used to? This CYOO replacement battery restores reliable all-day power with a fresh 1430mAh lithium-ion polymer cell, specifically engineered for the iPhone 4S and compatible with original part number APN616-0579.

Who is it for

Anyone with an iPhone 4S experiencing rapid battery drain, unexpected shutdowns, or a swollen battery. Ideal for DIY repairers and professional technicians who need a dependable internal replacement.

Main features

• High-capacity 1430mAh lithium-ion polymer (Li-Po) cell for extended runtime
• Nominal voltage: 3.7V, energy rating: 5.29Wh
• Integrated overcharge, over-discharge, and short-circuit protection
• Precision connector matched to the iPhone 4S logic board
• Durable, lightweight construction

Specifications

• Battery technology: Lithium-Ion Polymer (Li-Po)
• Capacity: 1430 mAh
• Nominal voltage: 3.7 V
• Energy rating: 5.29 Wh
• Compatibility: Apple iPhone 4S
• Replaces original part number: Apple APN 616-0579
• Product condition: New
• Installation: Internal (requires opening device)
• Rechargeable: Yes
• Protection features: Overcharge, over-discharge, short-circuit
• Cell type: High-quality Li-Po cells
• Connector: Specific for iPhone 4S logic board
• Expected performance: Restores original battery life
• Material: Durable and lightweight construction

Tips

For best results, calibrate the new battery by fully charging and discharging it two to three times after installation. Ensure the device is powered off before opening and use appropriate tools to avoid damage.