... need buy chip to replace new chip.A cover can be used for a long time.3. multifunction:In ... of the batteries.6. Use aluminum alloy metal case, surface treatment, and good texture. 2. Performance parameters:Dimension(mm): ... One yearThe separated three parts; cell, flashlight, charge portChargeing for mobile phoneCharging for Iphone Cell phone charger, rechargeable cell, can change cell by self