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The rechargeable batteries are lead-lead dioxide systems. The dilute sulfuric acid ectrolyte is absorbed by separators and plates and thus immobilized. Should the battery be accidentally overcharged producing hydrogen and oxygen, special one-way valves allow the gases to escape, thus avoiding excessive pressure build-up. Otherwise, the battery is completely sealed and is, therefore, maintenance-free, leak proof and usable in any position.

General Features:

-Positive and negative plates in lead-calcium-tin alloy.

-Stable Quality & High Reliability.

-Sealed Construction.

-Long Service Life.

-Maintenance-Free Operation.

-Low Pressure Venting System.

-Low Self Discharge.

-U.L. Component Recognition.

-Six months shelf life at 20?.

-Design life 10 years.


-Length (mm / inch) 522 / 20.6 x Width (mm / inch) 238 / 9.37 x Height (mm / inch) 218 / 8.58.

Total Height (mm / inch) 223 / 8.78.

Approx. Weight (Kg / lbs) 65.0 / 143.


Performance Characteristics:

-Nominal Voltage-12v

-Number of cellc-6

-Design Life-10 years

-Nominal Capacity 77? (25?)

-5-hour rate (36.0A, 10.5V) 180Ah

-1-hour rate (128A, 9.6V) 128Ah

Internal Resistance:

Fully Charged battery 77 (25?) ≤4.0mOhms


3% of capacity declined per month at 20?(average)

Operating Temperature Range:

-Discharge -20~60?

-Charge -10~60?

-Storage -20~60?

-Max. Discharge Current 77? (25?) 1000A(5s)

-Short Circuit Current 3300A

-Charge Methods: Constant Voltage Charge 77? (25?)

-Cycle use 2.40-2.45VPC

-Maximum charging current 60.0A

-Temperature compensation -30mV/?

-Standby use 2.20-2.30VPC

-Temperature compensation -20mV/?

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