Size Design fits both protected and unprotected batteries (up to 69mm in length ) or 78 you list both 69mm is not a 21700?

My apologies, the 21700 slimline case fits batteries up to 78mm in length.

Have the single ones been in stock ever?

I apologize they are currently out of stock, they will be arriving back in stock in 1 - 2 weeks.

Will a nitecore nl2150hpi battery fit? it is the "proprietary" battery for use in the nitecore p20ix flashlight. thank you.

The nitecore nl2150 battery is 77.2mm in length with a diameter of 21.9mm. This should fit in the 21700 battery case without any issues.

Is this Silicone or what material is ot made from?

Not quite sure. It is not soft silicone, but it is not hard plastic either. It can be deformed when squeezed, but the shape returns. Nice material, between soft silicone and rigid plastic I guess.

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Slimline 21700 Battery Case, Compact Durable TPU Organizer for Travel, Flashlights & Everyday Carry – 2-Pack (Holds 2 Batteries)

Product ID: 470019255

🎒Compact design perfect for travel & outdoor use

🔋Holds 2 x 21700 batteries securely

🛡️Durable TPU protects against impacts & cracks

€ 48.32

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered 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 Greece.

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Description

🔋 Power up your adventure with sleek, secure battery storage!

DOUBLE THE CONVENIENCE - Includes 2 cases, each securing 2 batteries for maximum readiness
EFFORTLESS ORGANIZATION - Store used batteries upside down to track power status at a glance
VERSATILE COMPATIBILITY - Holds both protected and unprotected 21700 batteries up to 78mm long
TRAVEL READY COMPACTNESS - Slim, lightweight case fits easily in your EDC or hiking pack
ULTIMATE BATTERY PROTECTION - Soft, crack-resistant TPU shields terminals and batteries from damage

The Slimline 21700 Battery Case is a durable, compact TPU organizer designed to hold and protect two 21700 batteries per case. Its impact-resistant material safeguards battery terminals while the smart design allows easy tracking of used batteries. Ideal for travel, outdoor activities, and everyday carry, this 2-pack ensures your power stays organized and ready wherever you go.

Specifications

ASIN	B09XRBR991
Best Sellers Rank	#32,484 in Electronics ( See Top 100 in Electronics ) #34 in Battery Storage Containers
Manufacturer	WLG Creations
Package Dimensions	9 x 5.8 x 5.6 cm; 70 g

Reviews

N**N

The battery case quality is high standard

I expected the product to be as described and it didn't disappoint. What I liked most is the delivery service. Right on time and the delivery agent was professional. Amazon is the best in that game.

21.02.2026

A**I

Not for 18650

Couldn’t fit 2 18650 batteries. I don’t recommend it

4.05.2025

S**R

Perfect Protection

Exactly as described, perfect for transporting my spare 21700 batteries

5.02.2026

S**W

These are 3D printed. They are sturdy and have a foam insert to keep the batteries from moving.

I was surprised to see that these battery cases are 3D printed. They have a foam cushion in the top that keeps the battery from moving inside of the case. All of my 21700 batteries fit, even ones with built-in USB-C charging that are a few mm longer than a standard 21700. They are rather expensive, but they are shipped from a third-party seller, so the shipping is included in the price. I would prefer if the shipping were added separately if ordering several cases. It is a good product and is exactly what I was looking for, which is a 21700 battery case that holds one battery.

21.12.2025

F**O

For 21700 Li-ion batteries

Right size for 21700 batteries.

2.08.2023

P**R

Goid for travel.

Purchased to safely transport batteries when flying. Works well.

12.01.2024

J**K

Happy

Great quality

11.07.2025

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Perfect platform for hard-to-find items. Delivery was prompt.

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5 days ago

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€ 48.32

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered 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 Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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