6inch Weatherproof Double USB Charging Socket with SAE Plug (sku 16429) Quality weatherproof double USB Charging Socket with SAE Plug - connects conveniently to your battery tender SAE cable. Length 6" (15cm) 2 x USB Charging ports in a weatherproof case with dust cap. For charging Cell phones, iPhones, GPS units, and MP3 players using the devices own USB lead. Double USB. SAE plug Input Voltage: 12V  4.0V USB (Output) Voltage: 5V  0.25V Output Current: 1.5A Max. Protection Rating: IP64 (Water wash down) when capped. Operating Temperature Range: 0F to 105F