GEL12280AG-CGB battery12V28AH-gel battery for solar and wind power systems

■FEATURES

- Utilizes flat plate, GEL electrolyte, and AGM separator technology.

- GEL electrolyte maintains uniformity, ensuring excellent cycle life.

- Possesses significant thermal capacity, preventing thermal runaway.

- Constructed with high-strength ABS material for the container and lid.

- Operates within a wide temperature range (-15~45℃), with the optimal temperature range being (20±5℃).

- Leak-free, offering safety and reliability.

- Can be used in a standing or lying position, facilitating easy transportation and installation.

- Exhibits a low self-discharge rate.

■SPECIFICATIONS

- Nominal Voltage: 12V

- C20 Capacity: 28Ah (25℃, 10.5V)

- C10 Capacity: 25.2Ah (25℃, 10.5V)

- Dimensions:

  - Length: 165.5mm

  - Width: 125mm

  - Height: 175mm

  - Total Height: 175mm

- Internal Resistance: Approximately 9mΩ (25℃)

- Max Short-duration Discharge Current: 840A (25℃)

- Weight: Approximately 9.8kg

- Terminal: FP-01/RT-61/FO-21

■CHARGE

Using ModeCharging VoltageTemperature CompensationMax Charging Current

Standby Use2.275±0.025V/cell (25℃)-3.3mV/℃/cell8.4A

Cyclic Use2.45±0.05V/cell (25℃)-5mV/℃/cell

■STORAGE

- Batteries should be stored in a dry and clean warehouse with good air exchange.

- Avoid direct sunlight and proximity to heat sources (such as radiators, maintain a distance of more than 1m).

- Avoid exposure to toxic gases and organic solvents.

- The longest storage life is 6 months at temperatures below 25℃. For higher temperatures, refer to the specified values in the table below.

Storage Temperature (℃)Storage Time (Months)

  - ≤256

  - 26～333

  - 34～401

- Recharge batteries within the storage life or before use.

- Charging methods: Maximum charging current is 8.4A, constant voltage is 2.45±0.05V/cell (25℃); charging time is 15~20 hours; temperature compensation coefficient is -5mV/℃/cell.