Hybrid Bay Battery Carrier Kits

The Hybrid Bay Battery carriers are used to hold smaller batteries (9 V sized and select LiPos) in SMT Designs hybrid bays or bay adapters.
Manufacturer: SMT Designs
Shipping date: 5 - 40 days depending on order size

9 Volt - 47.4 x 25.8 x 16.7mm / 1.86 x 1.02 x 0.66"

2S E-flite 30C 280mAh LiPo - 39 x 20 x 13mm / 1.5 x 0.8 x 0.5"

1S Sparkfun 110mAh LiPo - 15.5 x 27.0 x 4.2mm / 0.61 x 1.07 x 0.17"

1S Sparkfun 400mAh LiPo - 26.5 x 36.9 x 5mm / 1.06 x 1.48 x 0.2"

2S Turnigy Nano-Tech 35-70C & 45-90C 300mAh LiPo - 45 x 18 x 12mm / 1.7 x 0.7 x 0.5"

1S Turnigy Nano-Tech 35-70C 750mAh LiPo - 45 x 25 x 9.2mm / 1.7 x 1.0 x 0.36"

2S Venom Fly 30C 300mAh LiPo - 38 x 20 x 12mm / 1.5 x 0.8 x 0.5"


The Hybrid Bay Battery carriers are used to hold smaller batteries (9 V sized and select LiPos) in SMT Designs hybrid bays or bay adapters.

A battery carrier typically mounts on the bottom side of a hybrid tray and the top side of a bay adapter.  The only exception to this is the BT60 9V battery carrier which mounts on both sides due to the battery height.

All hybrid bay battery carriers require 8mm open space beneath the actual carrier for inserts or space for the specific battery supported.

An optional bay adapter can be ordered along with any carrier for use in a traditional electronics bay to increase the modularity of custom designs.

There are two different versions available. The older SMT Designs carriers have a middle tab on one end and an offset tab on the other - this is the "original version". A new footprint was introduced in December 2019 where the tabs are offset on both ends - this is the production version being shipped.  If you do not find your device or you have any questions, please contact SMT Designs.


  • dual 9V battery holder is 47mm wide
  • some battery carrier kits include a block or insert that is put in the tray module slot to keep smaller LiPo batteries from moving
  • the battery carriers are not flush mountable to a flat surface. They require installation in a hybrid bay tray or bay adapter for clearance.

Kit contents

  • Selected battery Carrier or Insert
  • 4-40 hardware to mount the carrier and retainer (if needed) to a tray
  • battery connector cable for selected battery support
  • tie wraps for securing wiring
  • optional bay adapter


  • Length 73mm
  • Depth 28.5mm to 47mm
  • Height 12.5mm to 21mm
  • Weight 9g to 20g
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Hybrid Bay Device Carrier Kits

The Hybrid Bay Device carriers are used to mount smaller electronic devices (RRC2+ sized) in SMT Designs hybrid bays and bay adapters. Of note, the device carriers can be used as small footprint device mounts for more traditional bay designs or coupled with SMT Designs' bay adapters for even more versatility.

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