CB1240-CGB battery 12V4AH-Suitable for precision instruments

■FEATURES

- AGM valve regulated sealing technology.

- High strength ABS material for container & lid.

- Wide temperature scope of application (-15~45℃).

- Best temperature of application (20±5℃).

- No leaking, safe and reliable.

- Can be used standing or lying down, convenient to transport and install.

- High sealed reaction efficiency, little loss of water, no need to add distilled water or electrolyte, simple to use and maintain.

- Low self-discharge rate.

■SPECIFICATIONS

Nominal Voltage: 12V

Capacity:

- C20: 4.0Ah (10.5V, at 25℃)

- Nominal Capacity (C20): 4.0Ah (10.5V, at 25℃)

- C10: 3.6Ah (10.5V, at 25℃)

Dimension:

- Length: 90mm

- Width: 70mm

- Height: 101mm

- Total Height: 107mm

Internal Resistance: Approximately 38 mΩ (25℃)

Max Short-duration Discharge Current: 120A (25℃)

Weight: Approximately 1.69kg

Terminal: FO-02/ FO-03

■CHARGE

Using ModeCharging VoltageTemperature CompensationMax Charging Current

- Standby Use: 2.275±0.025V/cell (25℃)-3.3mV/℃/cell1.2A

- Cyclic Use: 2.45±0.05V/cell (25℃)-5mV/℃/cell

■STORAGE

- Batteries should be stored in a dry and clean warehouse with good air exchange system. Avoid direct sunlight, heat sources (such as radiators, with a distance of more than 1m), toxic gases, and organic solvents.

- The longest storage life is 6 months when the ambient temperature is below 25℃. For higher temperatures, refer to the chart below.

  Storage Temperature (℃)Storage Time (Months)

  - ≤256

  - 26～333

  - 34～401

- Batteries should be recharged within the storage life or before use. Charging methods: maximum charging current of 1.2A, constant voltage of 2.45±0.05V/cell (25℃); charging time: 15~20 hours; temperature compensation coefficient: -5mV/℃/cell.