# ARRMA 1/10 3S BLX battery bay (Granite, Senton, Big Rock)

> What size battery fits an ARRMA 1/10 3S BLX truck?

- Category: RC cars › Battery bays
- Kind: Modern device
- Basis: Manufacturer specifications (ARRMA (Horizon Hobby))
- Page: https://xemstudio.com/objects/arrma-3s-blx-battery-bay/ · JSON: https://xemstudio.com/api/geometry?object=arrma-3s-blx-battery-bay · Plain text: https://xemstudio.com/objects/arrma-3s-blx-battery-bay/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); files CC BY 4.0 or their publisher's license
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 165 | 51 | 48 |

**Exact dimensions.** True size, with no printing tolerance added.

## Notes

- ARRMA publishes the same battery bay for its 1/10 4x4 3S BLX trucks. The file is the 165 × 51 × 48 mm maximum battery envelope, useful for battery-tray inserts and spacers.
- Strap and post positions are not published.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.

## Sizes

| dimension | value |
|---|---|
| Max battery (blocks removed) | 6.50 × 2 × 1.9 in (165 × 51 × 48 mm) |
| Tray with blocks fitted | 5.5 × 2 × 1.9 in (140 × 51 × 48 mm) |
| Kraton 4S max battery | 6.50 × 2.01 × 1.89 in (165 × 51 × 48 mm) |
| Pack type | 2–3S hard case LiPo, IC5 / EC5 |

## Where the files are

- ARRMA (Horizon Hobby): [1/10 Granite 3S 4X4 RTR](https://www.arrma-rc.com/en/product/1-10-granite-3s-4x4-rtr-brushless-monster-truck/ARA102720.html) — web — Publisher's page; dimensions are facts
- ARRMA (Horizon Hobby): [1/10 Senton 3S 4X4 RTR](https://www.arrma-rc.com/en/product/1-10-senton-3s-4x4-rtr-brushless-short-course-truck/ARA102721.html) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/arrma-3s-blx-battery-bay/index.json

- arrma-3s-blx-battery-bay-envelope: [STEP](https://xemstudio.com/files/hardware/arrma-3s-blx-battery-bay/arrma-3s-blx-battery-bay-envelope.step) · [STL](https://xemstudio.com/files/hardware/arrma-3s-blx-battery-bay/arrma-3s-blx-battery-bay-envelope.stl) — Envelope 165 × 51 × 48 mm (Maximum battery size with mounting blocks removed)

## Questions

**What is the biggest battery for an ARRMA Granite / Senton?**

165 × 51 × 48 mm with the blocks removed; 140 mm long with the blocks in.

## Fits with

- [RC LiPo battery sizes: ROAR 2S hardcase, shorty, saddle, 4S brick; drone 4S / 6S and 3S 2200 packs; connectors](https://xemstudio.com/objects/rc-lipo-batteries/)
- [ARRMA 1/8 6S BLX battery bay (Typhon, Outcast)](https://xemstudio.com/objects/arrma-6s-blx-battery-bay/)