Smyle Labs · 510 battery (pen shape)
Smyle Labs Penjamin Cart Pen
A 510 cart battery in the shape of a writing pen. The cart goes inside.
$21.99In stock
Buy now: pick one
Ships the same day on weekday orders placed by 2 PM Pacific. Free US shipping on orders over $50.00. Unused items can come back within 30 days, and a restocking fee may apply (returns).
Details
| Voltage settings | 2.7 V, 3.1 V, 3.6 V |
|---|---|
| Carts | 510 thread, 0.5 g to 1.0 g |
| Charging | Micro-USB, on the side near the top; 1 to 2 hours |
| In the box | Cart Pen; Micro USB charger; 0.5 g cartridge adapter |
Sources
- Penjamin writing pen guide, Smyle Labs support, checked November 8, 2026
- Penjamin Cart Pen, Smyle Labs, checked November 8, 2026
- Charging the Penjamin writing pen, Smyle Labs support, checked November 8, 2026






