Updated: 17 Feb 2025

18650 battery power bank cases

Updated: 17 Feb 2025

#1

Best Choice
JzcsdkSIL 35-Slot 18650 Battery Housing Case Only(no Battery) with LED Flashlight Function for Outdoor Adventures PD QC3.0 USB Charger

9.6

JzcsdkSIL

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Main highlights

Made from quality materials with strength, resistance, temperature resistance, and durability.

Equipped with charging cable with multiple interfaces, can only be used with a flat top 18650 (excluding 18650 batteries).

35-Slot super large capacity case (only the case, not including the can accommodate 35 18650 batteries, without welding.
#2

Value for Money
Charging Bank Solder Free Kit with LED Flashlight, Plastic Power Bank Box for 21x18650 Battery, DIY Charging Case Accessory

9.5

MOUDOAUER

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Main highlights

Power display/power button, 4 * USB output ports + 1 * MICRO interface + 1 * compatible for iOS interface + Type-C interface.

Equipped with 9 LED beads at the bottom, it can be illuminated in three modes. Press and hold the button for 2 seconds to turn it on/off, and then click again to switch between slow/fast/constant light modes.

Can accommodate 21pcs 18650 batteries (flat top). (Batteries not included)
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#3
LIJIANI Battery Charger Case,Portable DIY Power Bank Box with LCD Display 2 USB Output,Micro and Type c Input, Smart Charger for 3.7v Li-ion Rechargeable Battery (Battery Not Included)

9.4

LIJIANI

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Main highlights

Multifunctional charging case: 4 battery(0.7 inches in diameter - 2.56 inches long) charging case, LCD display battery voltage and current value, the remaining battery power. Can easily remove the battery to power other devices

Mobile power function: filled with batteries, it is a 10000 mah rechargeable treasure (choose 4 2500 mah batteries), if you choose 3500 mah / a battery, it is 14000 mah rechargeable treasure. Not recommended, different sizes of batteries loaded into use at the same time

Dual-port input : (MICRO and TYPE-C) 5V-2A, two USB output, 5V-2A, long press the switch can open the flashlight function
#4
18650 Charger Box USB Mobile Holder C16PD Version Power for Shell Charger Box with Lighting Power Kit 18650 DIY Removable Welding-Free 16-Section 18650 Power Kit DIY Mobile (Black)

9.3

BYNNIX

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Main highlights

Weight: about 206 grams without (for case + mainboard + spring basket + lens + lanyard).

Size: thickness 44mm width 80mm length 186mm(internal dimensions remove spring: thickness 36mm width 72mm length 146mm).

C16-PD with light: output/input power: 5V-3A 9V-2A 12V-1.5A.
#5
LHIABNN DIY Power Bank Box Flat Head Battery Charger Outer Case,2 USB Output Ports Plastic Shell Box with LCD Display,Micro/Phone/Type-c Input Port Power Bank Case (Black)

9.2

LHIABNN

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Main highlights

【Intelligent 18650 Battery Charger】: Compatible with 18650 Flat head lithium battery (69mm length). Each battery slot is individual charging and detection. It automatically terminates charging when the batteries are full charged.(NOTE: Please notice the positive and negative poles)

【Easy to Use】: Compact and lightweight design for easy carrying; Easy to install and uninstall; Convenient take and use.

【DIY Power Bank】: Large capacity,8 x 18650 batteries (batteries not included). Dual USB power bank, two devices can be charged at same time.Three input ports,any usb cable can charge the power bank.
#6
JESSINIE 4 Cell 18650 Series-Parallel DIY Li Battery Box Power Bank Cases Battery Slot Holder Storage Case

9.1

JESSINIE

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Main highlights

【Integrated Design with Easy Installation】This lithium battery box is designed with 4 slots for 18650 batteries, featuring KF8500-8.5 terminals integrated into a PCB board. The design allows for hassle-free installation and removal without soldering, using just a screwdriver to secure wiring. This provides a seamless experience for both beginners and professionals handling battery packs.

【Flexible Wiring Options for Custom Setups】Our battery holder supports versatile configurations, allowing batteries to be connected in series or parallel. You can set up configurations like 4 in series, 4 in parallel, or mixed setups like 2 in series followed by parallel. This flexibility lets you tailor the power bank to specific voltage and capacity needs, ensuring optimal performance for various applications.

【Enhanced Capacity and Voltage Management】By using the 4 parallel connection method, the battery box maintains voltage while quadrupling capacity. Alternatively, the two parallel followed by two series configuration doubles both capacity and voltage. Such customization ensures that your power bank aligns precisely with your energy requirements, maximizing efficiency and functionality.
#7
LHIABNN DIY Power Bank - Make Your Own External Battery Pack,2 Output 3 Input (Mirco,Type C,Lighting) - Battery Not Include (Black)

9.0

LHIABNN

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Main highlights

Size: 17x8x2.3cm

Material: Plastic

Compact and lightweight design for easy carrying; Easy to install and uninstall; Convenient take and use.
#8
LOPURS DIY 2x18650 Battery Charger,Fast Charging Battery Storage Box,Plastic Case Battery Charger Case,Batteries Not Included (White)

8.9

LOPURS

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Main highlights

The battery box has an indicator light to show the charging progress,providing effective instructions for your use.It is plug and play, and the power output uses the USB port.You can charge it by plugging in the data cable

The battery box can hold 2 18650 batteries, no need to weld, no need to disassemble, you can quickly customize your own mobile power supply, it can also be used as a 18650 battery charger; Reminder: 18650 batteries are for display and are not included in the product

Intelligent fast charging,intelligent chip automatically adjusts the voltage,safe charging,so you can use it with confidence and peace of mind
#9
XBERSTAR 18650 Power Bank case,Li-Ion Battery Storage Box -18650 Holder for Uninterrupted Power Supply UPS DIY Battery Special Plastic DIY kit (set1)

8.8

XBERSTAR

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Main highlights

You will get;3S 40A BMS -US Charger -18650 Li-Ion Battery Holder -Pure Nickel Strip(not include batteries )

High quality battery holder case with wire leads for easy soldering and connecting.Each battery holder comes with a case cover for keeping the battery in place

Attention: There is a specific product description on the picture, please read it in detail.
#10
Vapepie 20700 21700 Battery Charger, Battery Charger 21700 20700 Charger for Rechargeable Battery, Charger for 5000mAh Travel Power Bank 21700 20700 18650 Battery

8.6

Generic

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Main highlights

Widely Used: If the battery charger is used as a portable power bank, It is widely compatible with iPhone 16/15/14/13/12/11, Samsung Galaxy, Pixel, Nexus, LG smartphones, and more devices

Reuse of used Batteries: The battery charger is designed with a quick battery replacement function. If you have used 21700 20700 batteries at home, you have a portable power bank that allows unlimited battery replacement

Battery Charger: The battery charger is suitable for charging 21700 20700 batteries. If you want to charge 18650 batteries, you need an adapter from 18650 to 21700 battery

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18650 battery power bank cases

JzcsdkSIL 35-Slot 18650 Battery Housing Case Only(no Battery) with LED Flashlight Function for Outdoor Adventures PD QC3.0 USB Charger

9.6

Main highlights

Charging Bank Solder Free Kit with LED Flashlight, Plastic Power Bank Box for 21x18650 Battery, DIY Charging Case Accessory

9.5

Main highlights

LIJIANI Battery Charger Case,Portable DIY Power Bank Box with LCD Display 2 USB Output,Micro and Type c Input, Smart Charger for 3.7v Li-ion Rechargeable Battery (Battery Not Included)

9.4

Main highlights

18650 Charger Box USB Mobile Holder C16PD Version Power for Shell Charger Box with Lighting Power Kit 18650 DIY Removable Welding-Free 16-Section 18650 Power Kit DIY Mobile (Black)

9.3

Main highlights

LHIABNN DIY Power Bank Box Flat Head Battery Charger Outer Case,2 USB Output Ports Plastic Shell Box with LCD Display,Micro/Phone/Type-c Input Port Power Bank Case (Black)

9.2

Main highlights

JESSINIE 4 Cell 18650 Series-Parallel DIY Li Battery Box Power Bank Cases Battery Slot Holder Storage Case

9.1

Main highlights

LHIABNN DIY Power Bank - Make Your Own External Battery Pack,2 Output 3 Input (Mirco,Type C,Lighting) - Battery Not Include (Black)

9.0

Main highlights

LOPURS DIY 2x18650 Battery Charger,Fast Charging Battery Storage Box,Plastic Case Battery Charger Case,Batteries Not Included (White)

8.9

Main highlights

XBERSTAR 18650 Power Bank case,Li-Ion Battery Storage Box -18650 Holder for Uninterrupted Power Supply UPS DIY Battery Special Plastic DIY kit (set1)

8.8

Main highlights

Vapepie 20700 21700 Battery Charger, Battery Charger 21700 20700 Charger for Rechargeable Battery, Charger for 5000mAh Travel Power Bank 21700 20700 18650 Battery

8.6

Main highlights

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