Apple iPhone 8 Plus (8G+) Original-Capacity Replacement Battery (2691mAh)

The iPhone 8 Plus battery (frequently referenced in wholesale mobile component markets as iPhone 8G Plus or 8G+) is an internal Lithium-ion cell engineered specifically for Apple’s 5.5-inch glass-backed flagship. This model relies tightly on the multi-tier power architecture of the A11 Bionic chipset and contains internal charging induction maps to support native Qi wireless charging.

When your iOS Maximum Capacity drops below 80%, the operating system forces a degraded throttling profile on the processor to stop unexpected system blackouts. This manifests through severe performance drops: sudden stuttering while opening social or banking apps, high latency/lag during typing, aggressive percentage skips (e.g., falling from 30% to 10% in moments), and the chassis heating up abnormally near the Apple logo under minimal load. Swapping in a premium, calibrated cell fully removes the software bottleneck, immediately restoring fluid computing performance and original day-and-a-half runtime backups.

• Battery Model: iPhone 8 Plus / APN: 616-00367 / 616-00364 (or matching configurations)

• Battery Type: Lithium-ion (Li-ion)

• True Capacity: 2691 mAh

• Standard Voltage: 3.82V

• Charging Voltage Limit: 4.35V

• Fast & Wireless Charging Sync: Fully calibrated to handle original 18W USB-PD fast-charging protocols and standard Qi wireless inductive charging loops without triggering safety thermal throttling.

• iOS Battery Health Tracking: Formulated with an original-spec fuel gauge microchip that fully supports active iOS health telemetry (Settings > Battery > Battery Health) without prompting generic part error codes or “Unknown Part” pop-ups.

• Safety Integration: Built with an integrated premium double-IC Protection Circuit Board (PCB) designed to mitigate short circuits, buffer operational temperatures under load, and completely eliminate chemical gassing (bloating).

• Device Compatibility: This exact 2691mAh structural footprint and its specialized logic board connector clip natively fit:

  • Apple iPhone 8 Plus (Models: A1864, A1897, A1898, A1899)