Fiberglass Strip Tape is a strong, glass fiber reinforced adhesive tape, often called filament tape, made for battery pack assembly and heavy-duty bundling. Dense glass fiber strands run through the tape, so it resists stretching and tearing far better than ordinary packing or masking tape.

Wrap it around LiPo and lithium-ion packs to hold cells and bundles together, strap batteries to drone and RC frames, bundle cables, secure ESCs and receivers, or reinforce foam airframes. The 25mm width gives a wide, secure hold, and the 25 meter roll goes a long way for hobbyists, makers, and students building multiple packs and projects. Its slim profile adds almost no bulk to a finished battery pack, which keeps packs compact and easy to fit.

This is a strapping tape, not an electrical insulation tape, so use proper insulation such as Kapton tape or fish paper around exposed cell terminals, and keep the wrap clear of sharp edges that could damage a cell.