This is Serpent Racing Battery / radiobox 811-E replacment parts
Suitable for: Cobra 811 B-e 1/8 4wd buggy EP (SER600004) Cobra 811 Buggy-e Sport 1/8 EP (SER600005) Cobra GT-e 1/8 EP onroad (SER600043) Cobra 811 B-e 2.0 4wd 1/8 buggy EP (SER600012) Cobra GT..