Can i use this with a aaa lithium battery or does it really need to be alkaline?

Use rechargeable AAA batteries. These small bright flashlights eat batteries. Each battery only lasts 40-45 minutes; tops. Alkaline AAA start out brighter because they are at ~1.60 volts DC. Rechargeable AAA batteries start out at ~ 1.42 to 1.45 volts DC depending on your charger. Difference in runtime is noticeable, but negligible. These lights are not meant as a main light for more than 30 minutes. They are primarily for intermittent use. The cheaper ThruNite Ti2 will NOT work with rechargeable AAA batteries.

Header description says i4e, detailed description says i3e. why the difference?

Hi dear customer, the correct name is "I3E", not "I4E". We're so sorry for this. This is the display problem with Amazon system. We have already responded to Amazon. Thanks!

Does anyone know the runtime with a non rechargeable lithium battery?

I’ve had mine for almost 3 years the standby is amazing, I’ve only changed the battery once, it lights up every time without fail. I’d say continued use maybe like 30 minutes

Se puede usar TR 10440?

Sorry, it can not use. The voltage is beyond 2v, we do not recommend use. Thank you!

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Olight I3E EOS EDC Keychain Mini Flashlight Waterproof Compact Portable Key Ring Torch 90 Lumens Flashlight with PMMA TIR Lens AAA Battery

Olight I3E EOS EDC Keychain Mini Flashlight Waterproof Compact Portable Key Ring Torch 90 Lumens Flashlight with PMMA TIR Lens AAA Battery

Product ID: 250974793

Details

Colour
Black
Light source type
LED
Power source
Battery
Product dimensions
11.4D x 7W x
White brightness
90 Lumens

🌊IPX8 waterproof for all conditions

💡90 lumens ultra-bright output

🔋1 AAA battery, 1-hour runtime

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₨553

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In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔦 Light up your life, anytime, anywhere—because being prepared never looked this sleek.

ULTRA PORTABLE - Weighing just 19.4 grams and sized to clip on your keyring, it’s the ultimate everyday carry essential.
ALL WEATHER READY - IPX8 waterproof rating means this keychain torch thrives rain or shine, perfect for any adventure.
COMPACT POWERHOUSE - Twist-to-activate design delivers 90 lumens from a single AAA battery—brightness that fits in your pocket.
VERSATILE USE CASES - From night runs to camping, dog walks to emergency kits—this flashlight adapts seamlessly to your lifestyle.
EFFORTLESS OPERATION - Ergonomic twist head with precision machining ensures quick, reliable access to light when you need it most.

The Olight I3E EOS is a compact, waterproof keychain flashlight delivering 90 lumens of bright LED light powered by a single AAA battery. With an IPX8 rating, a 44-meter beam distance, and a durable twist-to-activate design, it’s engineered for everyday carry and outdoor adventures alike.

Specifications

ASIN	B017R560WC
Batteries are Included	Yes
Battery Description	AAA
Battery Type	Alkaline
Brand Name	OLIGHT
Color	Black
Customer Reviews	4.8 4.8 out of 5 stars (5,203)
Item Dimensions D x W x H	11.4D x 7W x 1.9H centimeters
Item Weight	19.4 Grams
Light Output Maximum	90 Lumens
Light Source Special Features	Wide beam angle, compact design, suitable for EDC
Light Source Type	LED
Manufacturer Part Number	AM-I3E-Black
Model Number	AM-I3E-Black
Mounting Type	Handheld
Number of Batteries	1 AAA batteries required. (included)
Number of Light Sources	1
Power Source	Battery Powered
Recommended Uses For Product	Camping, hunting, hiking, backpacking, running, dog walking, night fishing, everyday use as a keychain flashlight
Runtime	1 hour
Shape	Round
Size	Mini
Smart Home Compatibility	Not Smart Home Compatible
Style Name	Modern
Unit Count	1 Count
Water Resistance Level	Waterproof
White Brightness	90 Lumens

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