Holds 4 rechargeable AA Batteries. Place batteries nub up for the “Charged” indication and nub down for the “Depleted” indication. 

I have tested it with the following rechargeable AAA battery brands: 

• Amazon Basics AA High-Capacity - [https://amzn.to/3iS2Vtk](https://amzn.to/3iS2Vtk)  
• EBL Rechargeable AA Batteries - [https://amzn.to/3LPf9jd](https://amzn.to/3LPf9jd)  
• Panasonic Eneloop BK-3MCCA4BA AA Batteries - [https://amzn.to/38l73QL](https://amzn.to/38l73QL)  
• Energizer AA Batteries - [https://amzn.to/3Lu7Bly](https://amzn.to/3Lu7Bly)  

*Note: This post contains Amazon Affiliate links that support The Makers Workbench via a small commission from any sales they help generate.

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I have only tested this model using the default 0.35mm Fast preset in Prusa Slic3r 2.2.0 with the following amendments made.

• 3-perimeters
• 3-top layers
• 3-bottom layers
• 20% infill
• Cubic Infill pattern
• Monotonic Top and Bottom Pattern

PLA Used: Polymaker Polylite PLA - [https://amzn.to/3mTrbuU](https://amzn.to/3mTrbuU)