Serpent has released Battery-strap With Velcro for 411 under Viper 977-e EP (SER904002) Viper Series category
Velcro battery-starp become used With Serpent 411, & most Other 1/10 TC besides. Easy to use, slim, safe and light, as opposed to utilizing battery-tape.
In Serpent 411 Fits the Tape Holder totally. Printed With Serpent logo design.