Topcon DB-74 [313680403] Alkaline Battery Holder for RL-H4C & RL-SV2S Lasers

The BD-74 Alkaline Battery Holder for Topcon RL-H4C and RL-SV2S Laser is a good replacement accessory that can hold four D-cell alkaline batteries to power the Topcon RL-H4C rotary laser and RL-SV2S grade laser. This battery holder is made of durable plastic with black and yellow finish to fit the laser’s overall color. Plus, it comes with a knob which enables surveyors to lock the holder to the laser and secure the batteries.