These boards here in UK stock:

• Output Current: 1.5A (min), 2.2A (type)
• Input-output voltage differential (VI-VO): 40Vdc (max)
• Adjustable output voltage range: 1.2 ~ 37V
• Operating temperature: -55℃ to +150℃
• Current output: 1.5A
• Voltage Input: 4.2 ~ 40 V
• Characteristic frequency: 100 (MHz)
• Module size: 35.6 (mm) x16.8 (mm)
• LARGER QUANTITIES AVAILABLE. PLEASE ENQUIRE...........
• Please ensure that you have an adequate cooling solution if you are using this under such a condition - this may require a larger heatsink or the addition of a fan.  Too high a temperature will damage the LM317 chip.  This is normal and a requirement for all LM317 based DC regulators.