Smarter than future C18 8-Element Battery Case 18650 DIY Power Bank Shell Kit: No welding required
Ever found yourself staring at your dead phone, wishing you had a power bank? Well, the 8-Element Battery Case 18650 DIY Power Bank Shell Kit is here to save the day (and your battery life). This isn't just any power bank kit—it's the upgraded C18 version, packing a whopping 20000mAh capacity. That's enough juice to keep your gadgets running longer than your last Netflix binge.
What's cool about this kit? For starters, you don't need to be a soldering wizard to put it together. That's right, no welding required, making it a dream for DIY newbies and pros alike. And because we know you're always on the move, it's designed to be as compact and portable as your favorite pair of sneakers. Oh, and it plays nice with 18650 batteries, so you're all set.
Whether you're camping in the wilderness or just camping out at your local coffee shop, this kit is your ticket to never running out of power. It's not just a tech accessory; it's your lifeline.
Features
- 20000mAh capacity
- Upgraded C18 version
- DIY assembly
- Portable design
- No welding required
General specs
- Brand: Smarter than future
- Model: C18
- Seller: Joom
- ID: 679e18c2012c0a017879d5b1
- Capacity: 20000mAh
- Battery Type: 18650
- Assembly: No welding required
- First listed by seller: 6/9/25
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Joom
Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Smarter than future C18 Black No welding required
|
DEWALT DEWALT 10,000mAh Powerbank - Portable Battery Charger, Slim Design, Fast Charging, USB-C
|
Power Bank 20000mAh Capacity
|
Anker PowerCore 24K High-capacity 24,000mAh battery
|
Shenzhen Pusiou Technology Co., Ltd. M2 49800mAh huge capacity
|
Shenzhen Quark Thinking Technology Co., Ltd. S1008D Power-Bank with Built-in Cables
|
|
| Brand | Smarter than future | DEWALT | Redmi | Anker | Shenzhen Pusiou Technology Co., Ltd. | Shenzhen Quark Thinking Technology Co., Ltd. |
| Model | C18 | DEWALT 10,000mAh Powerbank - Portable Battery Charger, Slim Design, Fast Charging, USB-C | PowerCore 24K | M2 | S1008D | |
| Color |
|
|||||
| Rating |
|
|
|
|
|
|
| Price | $16.05 | $43.45 | $29.99 | $155.99 | $39.98 | $23.99 |
| Seller | Joom | Amazon | Gshopper | Gshopper | Amazon | Amazon |
| Update | August 16, 2025 | December 6, 2025 | July 25, 2024 | July 25, 2024 | November 9, 2025 | December 6, 2025 |
| item_weight | 218 Grams | 1.26 pounds | 1.01 pounds | |||
| date_first_available | October 4, 2021 | March 20, 2024 | October 18, 2024 | |||
