*Specifications may change without notice **Dimensions are overall maximum and include all handles
OPTIMA® YELLOWTOP® D27F Ultra high-performance SPIRALCELL TECHNOLOGY® AGM (absorbent glass mat) dual-purpose (deep-cycle and starting) battery. OPTIMA® YELLOWTOP®
batteries have three times the cycling capability (rechargeability)
with ultimate cranking power for your car or truck to outperform
traditional batteries. Perfect for powering heavy electrical loads,
including winches, audio systems, inverters, and other demanding vehicle
accessories and electronics. Lower internal resistance provides more
efficient power output and faster recharges.
Warranty: 3 years private use, all OPTIMA® have
their warranty details on the top label and are honoured by the warranty
stated on that label.
The following charging methods are recommended to ensure a long battery life:
(Always use a voltage regulated charger with voltage limits set as described below.)
These batteries are designed for starting and deep cycle applications and for use in vehicles with large accessory loads..
Recommended Charging Information
13.65 to 15.0 volts
13.8 to 15.0 volts; 10 amps maximum; 6-12 hours approximate
13.2 to 13.8 volts; 1 amp maximum; (indefinite time at lower voltages)
Rapid Recharge (Constant voltage charger):
Maximum voltage 15.6 volts. No current limit as
long as battery temperature remains below 125°F (51.7°C). Charge until
current drops below 1 amp
Cyclic or Series String Applications::
14.7 volts. No current limit as long as
battery temperature remains below 125°F (51.7°C). When current falls
below 1 amp, finish with 2 amp constant current for 1 hour. All limits must be strictly adhered to.