Yeah the Led Lenser p7 is the ticket, recharges by connecting it to the usb on your computer. I walk around with it on the middle setting then click it through to full power when about to shoot,I have it on the 1st setting when walking to the next gate. I use a head lamp when taking the back straps off the rabbit and turn the spot light back on again when ready to shoot again. I get around 4 hours with doing it this way which I find is enough as you start to get buggered by then.
Hope that helps and as always it pays to pay for good quality rather than going cheap and regretting it.
Cheers
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