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LD20P CellDataSheet

This document provides specifications for an Alcad LD20P lead-acid battery cell. It lists physical dimensions, construction details, charging parameters, discharge performance data at various voltages and times, and Kt factor discharge performance metrics. The cell has a nominal capacity of 20 Ah at a 5 hour discharge rate and uses pocket plates for the positive and negative electrodes.

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155 views3 pages

LD20P CellDataSheet

This document provides specifications for an Alcad LD20P lead-acid battery cell. It lists physical dimensions, construction details, charging parameters, discharge performance data at various voltages and times, and Kt factor discharge performance metrics. The cell has a nominal capacity of 20 Ah at a 5 hour discharge rate and uses pocket plates for the positive and negative electrodes.

Uploaded by

Anonymous SOQFPWB
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Wednesday, June 27, 2018

LD20P - Cell data sheet


Classification
Wiring principle Normal
Brand Alcad
Cell type LD20P
Cell P/N 892710812
Capacity at 5 hours rate 20 Ah
IEC Designation KL20P
According to IEC 60623

Physical data

Overall height 176 mm


Cell height
Width 122 mm Weight per cell 1.1 Kg
Length 35 mm Block length - 2 cells -
Block length - 3 cells - Block length - 4 cells -
Block length - 5 cells - Block length - 6 cells -
Block length - 7 cells - Block length - 8 cells -
Block length - 9 cells - Block length - 10 cells -
Construction

Container material Polypropylene No. of terminals/polarity 1


Separator type Grid Terminal material Steel
Connection torque 11.0 +/- 1.1 Nm Vent type
Terminal size M6
Handle No

Plates

Positive Negative
Type of plates Pocket Type of plates Pocket

Electrolyte

Electrolyte type: Renewal E13 Max/Min 25 mm


Electrolyte type: Initial E22 Vent oil quantity 15 cm3
Electrolyte per cell: Liquid 0.2 liters

Connection

Cable area 10 mm²

ALCAD confidential and proprietary. The data herein given are for information purposes only and are not binding on ALCAD. They may be
modified without prior notice. Please contact an ALCAD representative in order to obtain confirmation of the above data.
Visit our website at www.alcad.com
(377207) Version: 2.3, Last updated on 05/2018 P 1/3
Wednesday, June 27, 2018

LD20P - Cell data sheet

Charging

Float voltage 1.42 V/Cell High rate voltage (min) 1.47 V/Cell
Single-level voltage 1.43 V/Cell

Resistance/Short circuit

Internal resistance 7.20 mOhm Short circuit current 155 A

Performance data

Current discharge

After prolonged float charge of fully charged cells. Available amperes at +20°C +/- 5°C (+68°F +/- 9°F)

V/Cell 10h 8h 5h 3h 2h 1.5h 1h 30m 20m 15m 10m 5m 1m 30s 5s 1s

1 2.03 2.52 4.00 6.41 8.56 10.0 12.2 15.3 16.7 17.8 19.4 21.9 25.3 27.2 32.1 36.0

1.05 2.00 2.49 3.91 5.67 7.48 8.93 10.7 13.1 14.3 14.9 15.9 17.2 20.2 21.7 25.7 28.5

1.1 1.97 2.36 3.47 5.10 6.72 7.97 9.47 11.0 11.6 11.9 12.4 13.2 15.5 16.9 20.0 22.5

1.14 1.88 2.20 2.89 3.97 4.93 5.71 6.59 7.73 8.28 8.45 8.90 10.1 12.0 13.1 15.8 17.4

Power discharge

Available power (W), after prolonged float charged of fully charged cells at +20°C +/- 5°C (+68°F +/- 9°F)

V/Cell 10h 8h 5h 3h 2h 1.5h 1h 30m 20m 15m 10m 5m 1m 30s 5s 1s

1 2.35 2.88 4.47 6.85 8.96 10.4 12.4 15.4 16.8 17.8 19.5 21.9 25.3 27.2 32.1 36.0

1.05 2.33 2.87 4.45 6.24 8.10 9.6 11.4 13.9 15.1 15.7 16.7 18.0 21.2 22.8 27.0 30.0

1.1 2.30 2.75 4.01 5.77 7.54 8.89 10.5 12.2 12.8 13.1 13.6 14.5 17.0 18.6 22.0 24.8

1.14 2.21 2.58 3.37 4.59 5.68 6.56 7.54 8.83 9.45 9.6 10.2 11.5 13.7 14.9 18.0 19.9

ALCAD confidential and proprietary. The data herein given are for information purposes only and are not binding on ALCAD. They may be
modified without prior notice. Please contact an ALCAD representative in order to obtain confirmation of the above data.
Visit our website at www.alcad.com
(377207) Version: 2.3, Last updated on 05/2018 P 2/3
Wednesday, June 27, 2018

LD20P - Cell data sheet


Kt Factor

Current discharge

After prolonged float charge of fully charged cells. Kt factor at +20°C +/- 5°C (+68°F +/- 9°F)

V/Cell 10h 8h 5h 3h 2h 1.5h 1h 30m 20m 15m 10m 5m 1m 30s 5s 1s

1 9.9 7.93 5.00 3.12 2.34 1.99 1.64 1.31 1.20 1.13 1.03 0.91 0.79 0.73 0.62 0.56

1.05 10.0 8.02 5.11 3.53 2.67 2.24 1.87 1.53 1.40 1.34 1.26 1.17 0.99 0.92 0.78 0.70

1.1 10.1 8.47 5.76 3.92 2.97 2.51 2.11 1.82 1.72 1.68 1.62 1.52 1.29 1.19 1.00 0.89

1.14 10.6 9.08 6.93 5.04 4.05 3.50 3.04 2.59 2.42 2.37 2.25 1.99 1.66 1.53 1.27 1.15

Power discharge
Kt factor power, after prolonged float charged of fully charged cells at +20°C +/- 5°C (+68°F +/- 9°F)

V/Cell 10h 8h 5h 3h 2h 1.5h 1h 30m 20m 15m 10m 5m 1m 30s 5s 1s

1 8.51 6.94 4.47 2.92 2.23 1.92 1.61 1.30 1.19 1.12 1.03 0.91 0.79 0.73 0.62 0.56

1.05 8.59 6.96 4.50 3.20 2.47 2.08 1.76 1.44 1.33 1.28 1.20 1.11 0.94 0.88 0.74 0.67

1.1 8.68 7.28 4.99 3.46 2.65 2.25 1.90 1.65 1.56 1.53 1.47 1.38 1.17 1.08 0.91 0.81

1.14 9.05 7.75 5.93 4.36 3.52 3.05 2.65 2.27 2.12 2.08 1.97 1.74 1.46 1.34 1.11 1.01

ALCAD confidential and proprietary. The data herein given are for information purposes only and are not binding on ALCAD. They may be
modified without prior notice. Please contact an ALCAD representative in order to obtain confirmation of the above data.
Visit our website at www.alcad.com
(377207) Version: 2.3, Last updated on 05/2018 P 3/3

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