MINCHEN 8.4V Battery Pack Case for 2/4/6 x 18650 Rechargeable Battery Waterproof Safety Cycling Battery Pack Case Box Cover with DC and USB Interface for Bike Light Headlamp Smartphone (Black)

MINCHEN 8.4V Battery Pack Case for 2/4/6 x 18650 Rechargeable Battery Waterproof Safety Cycling Battery Pack Case Box Cover with DC and USB Interface for Bike Light Headlamp Smartphone (Black)

• Dual Interface Design: The Rechargeable Waterproof 18650 Battery Case is specially designed for Cycling Bike light Headlight, with DC and USB interface; DC interface is for connecting 8.4V Bike light, USB interface suitable for connecting 4.2v Bike light head lamp, or charge cell phone in emergency
• Durable Construction: Material is Durable Plastic, Light Weight and Waterproof; Case Size: 9x 6.7 x 4.8cm
• Flexible Battery Configuration: Can load 2pc/ 4pc or 6pcs same capacity 18650 batteries into the case, easy to DIY a batteries Pack power supply for your Bike light (no batteries included) or as a power bank to charge your smart phone in emergency
• Power Status Indicator Showing: Turn on the Blue Switch, 3x Blue Indicators will showing you the batteries power status inside: Three lights lit on (power80%), Two lights lit on (50%power80%), One light lit on (runtime30minutes, need change batteries or charge batteries)
• Standard Connection Specifications: Standard 5.5 DC Jack with outer barrel diameter of 5.5mm, inner Dia. of 2.1mm, Output voltage: 8.4V, Input voltage: 8.4V
• Safety Protection Features: Includes over-charge protection voltage at 8.4V, over-discharge protection voltage at 5V, over-discharge protection current at 9A, and standby current at 10A for safe operation
• USB Output Capability: USB output standard voltage of 5V0.2 with maximum output of 2000MA, suitable for charging various devices during outdoor activities