The AP1201 rechargeable silicone case with built-in battery for iPhone 4/4S is a permanent power source that extends the life of the iPhone 4/4S, providing nearly twice the power to keep you going. It's the power, protection and style you expect from a brand you know.
Features
Power Management High-speed charge direct to your iPhone or simultaneous, pass-through charge to your iPhone and case
Low Profile Lightweight, flexible form-fitting silicone rubber case that is extra thin and easy to handle
Protection Durable, non-slip and finger-print resistant one-piece case
Reliable Integrated bumper eliminates direct contact, signal loss or antennae interference
Battery Check Smart LEDs monitor power status
Powersafe Technology
All products integrate a minimum 12 safety logics into every cell for maximum protection of the battery, device and user. In addition, each product uses a mathematical circuit control unit with built-in proprietary software to control and regulate temperature, voltage and current.
Powersave Mode
Most products come pre-charged. Most products provide an Auto Shut-Off mode to avoid power loss when not in use to help maintain the power.