"Endless power for adventure" The ultimate deep cycle.

Yellow Top is a deep cycle battery that can withstand repeated deep discharge and recharging to the point where the stored power is used up. Optima's unique spiral cell technology allows it to maintain high voltage at all times, and has an extremely low self-discharge rate, making it ideal for cars that are rarely used. They also have the lowest possible internal resistance, so energy is released faster than traditional batteries.
It is compatible with a wide range of vehicles and is an ideal solution for vehicles that require more energy or cannot be recharged sufficiently during use. For example, we can respond to special vehicles equipped with winches, engine heaters, large audio systems, etc. with high power.
For those who want to improve the sound quality of their car audio (feeling of power in the mid-low range, luster in the high range, resolution, consistency of sound, etc.) American cars, cars with high-output engines, cars that are only driven a few times a month, security It is especially recommended for cars equipped with this, and cars that use electricity a lot.

Suitable for repeated charging and discharging
Excellent performance as a starter battery
Low self-discharge rate, suitable for use only in specific seasons
Maintenance free
No corrosion Does not occur

YT U4.2L
Terminal standard R terminal/large pole with side terminal
Width 254 x Thickness 172 x Box height 172 x Total height 199
20 Hour rate (EN) /BCI　55Ah G34/78