Solar Lithium Battery LFP 12V 150AH

1

Rated Capacity

150Ah

2

Nominal Voltage

12.8V

3

Charging cut-off voltage

14.6V

Constant Voltage Charging

4

Discharging cut-off voltage

10V

5

Standard Charging Current

10A

Maximum charging current 20A

6

Standard Discharging Current

10A

Maximum discharging current15A

7

Condition to stop charging

≤0.05C

8

Using temperature

Charge 0~55℃

Relative humidity 45%~85%

Discharge -20~60℃

9

Storage Temp

3 months

-20-45℃

During storage, it should be kept in a clean, dry, and well-ventilated indoor environment where the ambient humidity does not exceed 75%. It should be avoided to come into contact with corrosive substances and kept away from fire sources and heat sources. The battery must be charged and discharged once every 6 months and recharged to 50%~70% of its relative capacity.

1

Visual inspection

No protrusions, discoloration, deformation, or damage

Visual inspection

2

Size

305*283*245mm

Use a caliper (precision 0.01mm)

3

Weight

≤ 13 KG（No sheet metal）

Use an electronic scale

4

Internal resistance

≤ 20mΩ

No hyphens included

Measured within one hour after standard charging using a 1 kHz analog sine wave method at an ambient temperature of 25±2℃

5

Open-circuit voltage

≥ 12.8V

Measured after fast charging for 2.5 hours at an ambient temperature of 25±2℃

6

Cycle life

≥ 80%（after 4000 times cycle life）

Under an ambient temperature of 25±2℃, perform 4000 cycles of charge and discharge. Charging voltage/current: 14.6V/10A (cut-off current ≤7.5A). Discharge current: 10A (cut-off voltage 10V). Rest time: 10 minutes.

7

Power retention

≥ 97%

After standard charging, place it in an ambient temperature of 25±2℃ for 28 days, then calculate the power consumption.

8

Temperature Discharge Characteristics

55℃

≥99%

After standard charging is complete, discharge at the standard discharge current in the corresponding ambient temperature until the termination voltage is reached.

-20℃

≥80%

1

Leakage

No leakage

After standard charging is completed, place it in an environment with ambient temperature of 60±2℃ and relative humidity of 85% for 20 days, then place it in an environment with 25±2℃ for 1 week.

2

Overcharge protection

No cracking, sparks, smoking, or leakage

After standard charging is completed, connect a 10A/16V constant voltage and constant current power supply to the input terminal for 24 hours in an environment with a temperature of 25±2℃.

3

Short-circuit protection

No cracking, sparks, smoking, or leakage

After standard charging is complete, connect the positive and negative terminals of the battery directly with a 100mΩ±10mΩ wire and leave it for 8 hours in an environment with a temperature of 25±2℃.

4

Temp cycle

No explosion, fire, smoke emission, or leakage

After standard charging is complete, cool down to -40°C within 60 minutes and maintain that temperature for 90 minutes, then heat up to 25°C within 60 minutes, heat up to 85°C within 90 minutes and maintain that temperature for 110 minutes, then cool down to 25°C within 70 minutes. Observe for 1 hour after 5 cycles.

5

Overcharge protection voltage：14.6±0.06V（<0.3s）

6

Overcharge Release Protection Voltage：14.4±0.14V

7

Over-discharge protection voltage：10.0±0.16V (<0.3s)

8

Over-discharge Protection Voltage Release：11.2±0.16V

9

First-level over-current discharge protection：67-93A,Typical value 80A(<650ms)

10

Second-level over-current discharge protection：134-186A,Typical value 160A(<82ms)

11

Over-current Charging Protection：53-67A,Typical value 60A(<325ms)

12

Discharge Temperature Protection：high temp≥65±3℃；low temp≤-20±3℃

13

Charging Temperature Protection：high temp≥55±3℃；low temp≤-5±3℃

14

Circuit Static Current（work）：≤6uA

15

Circuit Static Current（Hibernate）：≤0.3uA