Could be a lousy pic, but the battery in the pic looks grey. If you say its light blue, then it looks like a legit Samsung. It's a 20 amp continuous discharge rated battery.
Theoretically, you can use this battery down to 0.3 ohms. I like to have a margin of safety in my builds, so I wouldn't go lower than 0.4 myself.
1.0 ohm = 4.2 amp draw
0.9 ohm = 4.6 amp draw
0.8 ohm = 5.2 amp draw
0.7 ohms = 6 amp draw
0.6 ohms = 7 amp draw
0.5 ohms = 8.4 amp draw
0.4 ohms = 10.5 amp draw
0.3 ohms = 14.0 amp draw
0.2 ohms = 21.0 amp draw
0.1 ohms = 42.0 amp draw
0.0 ohms = dead short = battery goes into thermal runaway
Explain it for the dumb noob: Ohm's Law calculations
* I lied. I only build down to 0.6 ohms.