How much does this cost to the nearest dollar?

Kastar Ultra Fast Faster) Kit and Battery for Sony F960 and FX1 FX7 FX1000 V1U Z1P Z1U Z5U Z7U FS100U FS700U and LED Video Light
Bullet Point 1 Kastar Ultra-fast Charger (Output with 1.0A) Charge over 3 times faster than a normal charger. Worldwide Input Voltage. Kastar Battery Utra-high Capacity. Use high quality Japanese Cells for longer battery life with no Memory Effect. Bullet Point 2 Includes USB output 0.6A then it could charge almost any USB device, like Apple phones, Smartphones, tablets and any other USB Powered Devices. Bullet Point 3 Intelligent Ultra fast charger LCD displays charging status, battery capacity, charging voltage,

Price is $39.00
Price: $38.99