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Rechargeable Lithium Polymer Battery Solar Panel Cleaning Robot

Rechargeable Lithium Polymer Battery Solar Panel Cleaning Robot

Custom 25.6V 6Ah battery for solar panel cleaning robot The main technical indicators Nominal voltage: 25.6V Nominal capacity: 6AH (4500mah) Battery size: 50.5*76.1*105.5mm Battery internal resistance: ≤150mΩ Battery weight: 1.2Kg Charging current: less than or equal to 2.25A Continuous......
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Custom 25.6V 6Ah battery for solar panel cleaning robot

 

The main technical indicators

Nominal voltage: 25.6V

Nominal capacity: 6AH (4500mah)

Battery size: 50.5*76.1*105.5mm

Battery internal resistance: ≤150mΩ

Battery weight: 1.2Kg

Charging current: less than or equal to 2.25A

Continuous discharge current: less than or equal to 9A

Protection current: 20A standard

Charging voltage: 29.2V

Discharge cut-off voltage: 20V

Service life: ≥2000 times

Charging temperature: -20 ~ 45 °C (low temperature start heating device)

Discharge temperature: -20 ~ 60 °C

Storage temperature: -20 ~ 35 °C

Battery temperature protection: 70°C±5°C

 


·         PCM parameters: with single cell overcharge, over discharge, over current and short circuit protection. Specific requirements as follows:

·         single cell overcharge protection voltage: 4.22±0.25V

·         single cell overcharge recovery voltage: 4.15±0.50V

·         single cell over discharge protection voltage: 3.00±0.10V

·         single cell overcharge recovery voltage: 3.30±0.10V

·         over current threshold (10ms): 70A

·         charge balance current: 50±10mA

·         charge balance voltage: 4.18±25mV

·         battery temperature protection scope (recoverable): -20-60?

·         short circuit protection on battery pack.

·         Battery capacity monitor system function: with smart chip and LCD screen, monitor system could timely set display parameters, including battery current capacity, current capacity percentage, current battery voltage, charge current, discharge current, discharge remaining time, RSOC and ASOC.

·         Battery overall structure design: due to wide distribution area of cell phone tower and outdoor environment, insulation, damp-proof and ageing& deterioration proof should be considered on battery. Hence, glass plate and plastic bracket could be used as case body of lithium battery pack.

·         Secondary protection: the whole battery is equipped with protection fuse to prevent short circuit from abnormal over current. In the event of PCM system abnormity, fuse could cut off output circuit of the whole battery pack.

·         Lithium battery cell: use Japan original imported cell, 18650 lithium battery cell /2500mAh/3.7V, which has good safety and consistency to ensure reliability of the whole battery pack. 


——————— Service by us————————


1. Give you the specific battery pack within 24hours according to your requirements.

2. Professional: Professional technicians offer overall systematic service.

3. One-stop battery solution with battery cells, BMS, case and matching charger.

4. Beyond customer demand: To think more for customer, do better for customer and make customer more satisfied.

5. MOQ: 1 unit is ok for your first battery pack to be tested.

6. Warranty: 2years

7. Our solutions:


——————— After-Sales Service  ————————


1. year warranty 

2. We will replace the broken parts with new parts in the next in the next order

3. Choose the cheapest and safest shipping company 

4. Track the order until you get the goods

5. Welcome any feedback and advice for our products.

 

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Cycle life at 100% depth of Discharge


 

Figure 2. Full battery ZCV curve and total impedance during discharge - residual charge curve:

 

a. 0.2C ZCV curves for L1 system and L2 system at 25 ̊C;

b. 0.2C ZCV curve of L1 system and L2 system at -40 ̊C;

c. The impedance of 0.2% discharge of L1 system and L2 system at 25 ̊C changes with the residual charge state;

d. The impedance of 0.2% discharge of L1 system and L2 system at -40 ̊C with the curve of residual charge state;



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