Varley Red Top 40 Racing Battery 12v 40Ah The Varley Red Top Battery Range offers very high performance for race and rally applications. Designed and engineered to a high specification for motorsport use the Varley Red Top can withstand even the harshest of conditions. With high shock and vibration resistance the Varley Red Top batteries have proven to be an excellent choice for race and rally cars. The inclusion of female terminals on all batteries but the Varley Red Top 60 avoids the problem of broken terminals often encountered with male (stud) terminals.