Sure, give it a go, with money you'd put in a vegas slot machine.
If you want to save money, buy good stuff from vendors with many years of customer service reputation selling to north america and europe. Like pingbattery.
THE LIPO RULES. NEVER ABOVE 4.3V NEVER BELOW 2.7V DON'T PUNCTURE
Ideal charging /discharging range for Lipo, 3.65v minimum 4.1v maximum
See battery technology section, FAQ thread at the top of the page for lipo noob info.