2400mA USB Charger & 3-LED Battery Monitor

Combination 2400mA USB charger and 3-LED battery monitor, with vehicle battery protection. 

FEATURES:

• Vehicle battery protection: USB output turns off 3 hours after the engine stopped or when the vehicle battery charge level is less than 50%.
• 3 LED battery monitor (when USB output is off)  – battery status is displayed every 5 seconds. 
• 12V input through an industry-standard SAE 2-pin connector.
• 5V 2400mA true output.
• Unique seal and cap design for USB socket; use any USB cable, and seals when inserted.
• Short circuit, overheat over-voltage protection.