For a limited time, we're including a free Charge-Check with every order to help our customers in these unprecedented times.  Charge-Check is an accessory that sits between the mobile USB charger and your phone or tablet. Charge-Check protects the device battery from being trickle charged and/or overcharged by turning on and off your mobile charger current. Limit one per address. Click to read the whole story on Charge-Check!