Specifications for:     Model B15-2A & 2B Battery Packs

Current Capacity: 2.5 amp hour rating
Voltage: 30 volts nominal, with 15 sealed cells @ 2 volts per cell
Input/Output Receptacle: A single 2 pin connector handles output voltage and charger input 
Voltmeter Direct reading digital LED with 3 digits
Fuse: 20 amp. type 3AG
Weight:
Model 2A 8.4 pounds (3.8kg.)
Model 2B 9.5 pounds (4.3kg.) 
Size:
Model 2A 8.0"L x 5.75"H x 2.5"W
Model 2B 8.0"L x 5.75"H x 3.25"W 

Includes a .375" base plate with threaded mounting holes in both SAE & metric sizes.
Temperature: 0º F to + 125º F. (-18º  C to 55º  C)