Can a 10440 battery be used in place of a standard aaa? will the higher voltage harm the light?

Yes and it does no harm to the flashlight.

Is it normal that the charged battery is empty after 2 months not used, and including extra AAA after 3 months?

I don’t think that’s normal. Mine keeps charge and u use regular.

can I charge a phone off the usb c port?

Thanks for your question, no, you can't charge a phone off the usb c port.

Will it be an issue using a fast charger to charge this light?

You can use the fast charger to charge to flashlight, because it has the Resistance protection plate inside, but we suggest you use the 5V-0.35mAh charger. Thank you so much for your question.

Special Feature	Adjustable Light Modes, Dual Source, IPX6 Waterproof, USB C Charge
Color	E8 (Sidelight: UV+Red+White)
Power Source	Battery Powered
Light Source Type	LED
Material	Polycarbonate
White Brightness	700 Lumens
Included Components	Key Ring 2, Reversible Pocket Clip 1, USB-C Cover 1, User Instruction 1, Warranty Card *1
Product Dimensions	1.08"D x 1.08"W x 2.6"H
Battery Cell Composition	Lithium Polymer
Item Weight	1.28 ounces
Number of Batteries	1 Lithium Polymer batteries required. (included)
Water Resistance Level	Water Resistant
Brand	RovyVon
Brightness	700 Lumen
Battery Description	AAA
Style	Modern
Finish Type	Polished
Specification Met	IPX6
Mounting Type	clip-on
Recommended Uses For Product	Daily use, walking the dog, camping, hiking, hunting, reading, checking pet fluid stains, signaling, meeting various demands, and emergencies
Manufacturer	RovyVon
Light Output Maximum	700 Lumens
Part Number	E8U-G3
Item model number	E8
Batteries	1 Lithium Polymer batteries required. (included)
Item Package Quantity	1
Shape	Rectangular
Finish types	Polished
Number of Lights	5
Specific Uses	Camping, Hiking, Travel, Night Walking, Reading, Home Use
Special Features	Adjustable Light Modes, Dual Source, IPX6 Waterproof, USB C Charge
Batteries Included?	Yes
Batteries Required?	Yes
Bulb Features	Authenticate currency, check pet stains, signal light
Color Temperature	6500 Kelvin

Angel Eyes E8

Details

Description

Specifications

Common Questions