Crown Group 903, CR-390 6v 390Ah Commercial Flooded-Cell Deep Cycle Golf Cart Battery.
The 903/CR-390 Battery is designed for use in golf and electric vehicle applications and will typically deliver in excess of 20,000 ampere-hours before reaching the end of its useful life.
The 903/CR-390 is compatible with applications like Golf Carts, Marine, RV, Backup Power, and Off-Grid PV Systems. Crown's 903/CR-390's are standard BCI Group 903 size flooded-cell batteries.
- Exclusive C-Force™ Active Mass for increased charge acceptance and discharge times
- Rugged, SolidCast™ plates that result in longer battery life and work (or play!) as hard as you do
- PosiWrap™ plate separators and other proprietary Crown components cut
maintenance, add peace of mind
- Golf Cart
- Floor Scrubber
- Deep Cycle
|BCI Group Number||
|Length in. (mm)||
|Width in. (mm)||
|Terminal Height in. (mm)||
|Weight lbs (kg)||
|20 Hr Rate||
|5 Hr Rate||
215 / 75A
ChargingCrown Battery Manufacturing Company specifies the following standard battery charge profile for the CR-390 deep cycle battery when used in an electric vehicle service:
Phase 1: Constant Current (I1) I1 = highest amperage available < 90 amps
Phase 1: Constant Current (I1) I1 = minimum amperage available > 40 amps
Normal transition to Phase 2 at 2.37 Volts Per Cell.
Safety transition to END OF CHARGE of dV / dt <0V / 1 hr, dt = 1 hr.
Timeout for Phase 1 = 10 hours.
Phase 2: Constant Voltage (U2) U2 = 2.37 VPC
Normal Transition to Phase 3 at I2 = 12.0 amps or approximate.
Safety transition to END OF CHARGE of l dI/dt l < 0.4 amp / 1 hr, dt = 1 hr.
Phase 3: Constant Current (I3) I3 = 12.0 amps or approximate.
Normal transition to END OF CHARGE at 115 -118% of AH returned.
PLEASE CONTACT CROWN BATTERY MANUFACTURING COMPANY TO ADVISE THE SPECIFIC CHARGE TERMINATION METHOD USED.
Timeout for charging phases 1 - 3 at 16 hours.
Temperature compensation coefficient = +/- 3 mV / °C.
Recommended Equalization Charge: Every seven (7) days. 4 additional hours at normal finish rate of 12.0 amps for 4 hours.
Safety transition to END OF CHARGE at a maximum voltage of 2.7 VPC.
Golf & E.V. Batteries The world’s leading Golf & Turf professionals won't send their fleets onto the course with a lesser battery. That’s why they only choose Crown. Powerful. Dependable. Low maintenance and extremely reliable. So why walk with the amateurs when you can drive like a Pro? Crown Battery. The true power in golf.