The GOLABS R150 has a 155Wh lithium-ion battery that can power a variety of devices, including smartphones, laptops, and small appliances. In terms of battery life, the R150 can provide up to 15 hours of power for a smartphone, up to 5 hours for a laptop, and up to 7 hours for a small appliance like a mini fridge. Compared to other portable power stations in its class, the R150 offers competitive battery life and reliable performance.