MK BATTERY
ES9-4
Maintenance-Free Rechargeable Sealed Lead-Acid Battery
ES9-4
ES9-4
Model Number Voltage 5hr
Rate
20hr
Rate
100hr
Rate
Watts
Per Cell
Weight (lb.) Length (in.) Width (in.) Height* (in.)
ES9-4     
4  
7.65 9 N/A N/A 2.61 3.98 1.73 4.02
ES9-4
4 Volt 9Ah Battery
$22.57 + $10.00 S&H

SPECIFICATIONS
Nominal Voltage (V):
4V

Nominal Capacity:20hour rate ( 0.45A to 3.50V ) 9Ah

10hour rate ( 0.9A to 3.50V ) 9Ah

5hour rate ( 1.53A to 3.50V ) 7.65Ah

1C ( 9A to 3.20V ) 4.05Ah

3C ( 27A to 3.20V ) 3.24Ah

Weight:
2.61 Lbs. (1.187 kg)

Internal Resistance (at 1KHz):
6 mΩ

Maximum Discharge Current for 30 seconds:144A

Maximum Discharge Current for 5 seconds: 288A

Operating Temperature Range:Charge 0°C(32°F) to 40°C (104°F)

Discharge -15°C(5°F) to 50°C (122°F)

Storage -15°C(5°F) to 40°C (104°F)

Charge Retention (shelf life) at 20°C (68°F):1 month 92%

3 month 90%

6 month 80%

Charging Methods at 25°C (77°F) Cycle use:Charging Voltage 14.4 to 15.0V
 Maximum Charging Current 2.7A


Standby use:
Float Charging Voltage 13.50 to 13.80V
No current limit required

Life expectancy Cycle Use:100% depth of discharge 250 cycles

80% depth of discharge 350 cycles

50% depth of discharge 550 cycles

Standby Use:
3~5 years

Case Material:
ABS

(94-HB & 94V-0 flame retardant case)

Terminal:
F2
mefast

MK BATTERY