Optimate Universal USB Charger Oxford # - 100 TRUE 1000mA series OptiMate USB chargers prevent discharge of the vehicle battery, will shut off if the battery voltage drops below 12.4 Volts. Maximum charge current guaranteed - Internal circuitry (in product and cable) communicate with devices receiving charge, confirming they can receive maximum charge current. NOTE: if a device cannot confirm that the connected USB charger can deliver its maximum requirement it will limit incoming charge current to protect itself. Approved to international EMC (radio interference) & electrical safety standards. Delivered with 40"/1m extender, mini and micro USB adapters that are GPS ready.
