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RC LiPo battery sizes: ROAR 2S hardcase, shorty, saddle, 4S brick; drone 4S / 6S and 3S 2200 packs; connectors

What size is a 2S hardcase LiPo? · Modern device · basis: ROAR rule text (as quoted by RC press), maker spec pages (Gens Ace, Spektrum, Traxxas via dealer, Reedy, CNHL, Tattu)

Also called: 2s hardcase lipo dimensions, shorty lipo size, 4s 1500 lipo dimensions, rc battery tray 3d print, roar battery size

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

sizes
12 in table

Notes

  • ROAR (racing) limits: standard 2S hardcase 139 (+0/−3) × 47 (+0/−2) × 25.1 (+0/−3) mm; saddle packs 25.1 max height; 4S brick 165 × 52 × 52 max. Most bashing packs follow the same envelope.
  • Shorty 2S: about 94–97 × 47 × 20–24.5. Saddle: about 67 × 47 × 25 per side. Traxxas iD 2S 5000: 137 × 43 × 24.
  • Drone packs (XT60): 4S 1300 77 × 38.5 × 27; 4S 1550 79 × 39 × 28; 6S 1100 75 × 39.5 × 35; plane 3S 2200 106 × 34 × 24.
  • Connectors seen: 5 mm / 4 mm bullets (racing), IC5 (Spektrum Smart), Traxxas iD, XT60 (drones and planes), XT90 / EC5 on larger packs. Leave 1 mm a side in trays for the soft case swelling.

RC LiPo battery sizes: ROAR 2S hardcase, shorty, saddle, 4S brick… size chart

packlength (mm)width (mm)height (mm)weight (g)connector
ROAR 2S hardcase (max)1394725.1NoneNone
Gens Ace Redline 2S 5000 hardcase1394718.52245 mm bullet
Spektrum Smart 2S 5000 hardcase139.74625.1400IC5
Traxxas iD 2S 50001374324281Traxxas iD
Gens Ace Redline 2.0 shorty 2S 50009747201795 mm bullet
Reedy WolfPack shorty 3800944724.52074 mm
Reedy saddle 4800 (per side)6747252774 mm
Tattu R-Line V3 4S 13007738.527150XT60
CNHL 4S 1550 120C793928166XT60
CNHL Black 6S 11007539.535211XT60
CNHL Black 3S 22001063424180XT60
ROAR 4S brick (max)1655252NoneNone

Where the files are

Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.

RC Car Action (ROAR rule text)ROAR LiPo size rulewebPublisher's page; dimensions are facts
LiveRCROAR saddle pack rulewebPublisher's page; dimensions are facts
Gens AceRedline 2S 5000 hardcasewebPublisher's page; dimensions are facts
ARRMA (Spektrum spec)Smart 2S 5000 hardcasewebPublisher's page; dimensions are facts
OzRC (Traxxas spec)Traxxas iD 2S 5000webPublisher's page; dimensions are facts
CompetitionXReedy WolfPack shorty and saddlewebPublisher's page; dimensions are facts
Rotorama (CNHL spec)CNHL 4S 1550webPublisher's page; dimensions are facts
Unmanned Tech (CNHL spec)CNHL Black 6S 1100webPublisher's page; dimensions are facts

Free files

★ Free files 4 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json

lipo-2s-hardcase-roar-139x47x25.12S hardcase LiPo, ROAR maximum 139 × 47 × 25.1STEP · STL
lipo-2s-shorty-97x47x202S shorty (Gens Ace Redline 2.0) 97 × 47 × 20STEP · STL
lipo-4s-1550-79x39x284S 1550 drone pack (CNHL) 79 × 39 × 28STEP · STL
lipo-tray-2s-hardcaseTray for a 2S hardcase pack (inside 140 × 48), strap slotsSTEP · STL
Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.
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Plain text: sheet.txt · JSON: /api/geometry?object=rc-lipo-batteries

RC LiPo battery sizes: ROAR 2S hardcase, shorty, saddle, 4S brick; drone 4S / 6S and 3S 2200 packs; connectors, isometric render of a generated part
Render of lipo-4s-1550-79x39x28 from the free STEP; not to scale.

Fits with

Questions

What size is a 2S hardcase LiPo?

Up to 139 × 47 × 25.1 mm (ROAR); most standard packs match.