High-performance lithium-ion battery with premium-grade cells for extended lifespan and stable power output

Precision-engineered with ultra-thin 0.15mm polymer separator to prevent overheating and short circuits

Military-grade shockproof design featuring dual-layer aluminum alloy casing with silicone cushioning

100% compatible with iPhone 15 Plus including full iOS battery health monitoring support

Superior 98.7% energy transfer efficiency achieved through laser-welded copper-nickel alloy connectors

Includes built-in temperature control chip for safe fast charging up to 20W PD protocol

Optimized for heavy users with 4000mAh capacity (15% larger than OEM) lasting 48hrs moderate use

Professional installation ready - includes pre-applied industrial-strength 3M conductive adhesive strips

Certified by CE/FCC/RoHS with 500+ charge cycle durability under extreme conditions testing

Ideal for mobile repair shops, tech enthusiasts, and business bulk purchases needing reliable backups