1-8 BATTERY STOPPER The battery stopper adjusts the gap between the battery and battery compartment. Adjust A and B so that total gap between the battery and battery compartment is under 12.7 mm (1/2 in). This is the UL Standards requirement. Install spacer plate if B is larger than 12.7 mm (1/2 in). Spacer plate has two sets of installation holes. Change the installion hole and bolt depend on wether B is larger than 30 mm (1.2 in). Battery stopper 1 Tapped hole M12 Ч 1.25 Battery stopper 1 in detail A B A B 0 ～0.5° 0.5°～1° 1°～1.5° 1.5°～3. 2° 3.2°～3.8° 3.8°～4.3° 4.3°～5.5° 5.5°～5.55° CTR Cross Plate