MK BATTERY
ES4.5-4
Maintenance-Free Rechargeable Sealed Lead-Acid Battery
ES4.5-4
ES4.5-5
Model Number Voltage 5hr
Rate
20hr
Rate
100hr
Rate
Watts
Per Cell
Weight (lb.) Length (in.) Width (in.) Height* (in.)
ES4.5-4    
4 3.825 4.5 N/A N/A 1.43 1.89 2.05 3.94


ES4.5-4
4 Volt 4.5 Ah Battery
$16.56 S&H $10.00

SPECIFICATIONS
Nominal Voltage (V):
4v

Nominal Capacity:20hour rate ( 0.225A to 3.50V ) 4.5Ah

10hour rate ( .45A to 3.50V ) 4.5Ah

5hour rate ( .765A to 3.50V ) 3.825Ah

1C ( 4.5A to 3.20V ) 2.025Ah

3C ( 13.5A to 3.20V ) 1.62Ah

Weight:
1.43 Lbs. (0.652 kg)

Internal Resistance (at 1KHz):
11 mΩ

Maximum Discharge Current for 30 seconds:90A

Maximum Discharge Current for 5 seconds:180A

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 4.80 to 5.00V
 Maximum Charging Current 1.35A


Standby use:
Float Charging Voltage 4.50 to 4.60V
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