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!

I3e Eos | Desertcart Mongolia

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Description

🔦 Light up your life with the pocket powerhouse everyone’s talking about!

RUGGED RELIABLE - IPX8 waterproof and anodized aluminum build ensures durability in any adventure.
LONG LASTING RUNTIME - Up to 1 hour of focused LED light with a lifespan of 60,000 hours—dependable for every emergency.
POWERFUL ILLUMINATION - Shockingly bright 90 lumens from a single AAA battery—light up your night effortlessly.
ULTRA PORTABLE DESIGN - Sleek, lightweight keychain form factor means it’s always within reach, wherever you go.
VERSATILE EVERYDAY CARRY - Perfect for camping, hiking, dog walking, or late-night errands—style meets function in Blue Porcelain.

The OLIGHT i3E EOS is a compact, anodized aluminum keychain flashlight delivering 90 lumens of focused LED brightness powered by a single AAA battery. Rated IPX8 waterproof and boasting a 60,000-hour lifespan, it’s designed for durability and portability, making it an essential everyday carry for professionals and adventurers alike.

Specifications

ASIN	B0DMCWNHKK
Additional Features	Durable, Keychain, Lightweight, Portable, Weatherproof
Battery Description	Alkaline
Battery Type	Alkaline
Best Sellers Rank	#17,181 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #252 in Handheld Flashlights
Brand Name	OLIGHT
Color	Blue Cloud
Customer Reviews	4.8 4.8 out of 5 stars (5,444)
Finish Types	Anodized
Included Components	flashlight
Item Dimensions D x W x H	1.46"D x 0.71"W x 4.45"H
Item Weight	0.01 Kilograms
Light Output Maximum	90 Lumens
Light Source Special Features	Focused Beam
Light Source Type	LED
Manufacturer	OLIGHT
Manufacturer Part Number	I3E-BC-300000
Manufacturer Warranty Description	Lifetime warranty.
Material Type	Aluminum
Model Number	I3E-BC-300000
Mounting Type	Keychain
Number of Batteries	1 AAA batteries required.
Number of Light Sources	1
Power Source	Battery Powered
Recommended Uses For Product	Camping, Emergency, Reading
Runtime	1 hour
Set Name	Blue
Shape	Compact/Keychain
Size	Mini
Style Name	Chinese
Unit Count	1.0 Count
Warranty Type	Lifetime
Water Resistance Level	Waterproof
White Brightness	90 Lumens

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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89987 ₮

Duties & taxes included

In stock

Sold byAmazon MongoliaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Mongolia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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i3E EOS

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