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9.1 AGM - Types

9.1.1. Marathon L/XL

Discharge time t

10 min 30 min 1 h 3 h 5 h 10 h Length Width Height

Weight

max. max. max. approx.

Capacity C

[Ah] C

[mm] [mm] [mm] [kg]

L12V15 6.5 8.5 9.9 13.2 13.0 14.0 181 76 167 6.5

L12V24 10.6 13.9 15.8 21.0 21.5 23.0 168 127 174 10.0

L12V32 14.1 18.7 21.4 27.9 30.0 32.0 198 168 175 13.5

L6V110 48.4 65.0 75.5 102.3 107.0 112.0 272 166 190 21.3

L2V220 87.4 127.0 150.0 186.6 198.0 220.0 209 136 265 16.0

L2V270 106.3 155.5 183.0 229.2 243.0 270.0 209 136 265 18.3

L2V320 135.8 190.5 225.0 271.8 288.0 320.0 209 202 265 24.2

L2V375 155.8 221.5 262.0 318.0 337.5 375.0 209 202 265 26.5

L2V425 169.9 247.0 291.0 360.0 382.5 425.0 209 202 265 28.8

L2V470 186.6 277.0 324.0 399.0 428.5 470.0 209 270 265 32.6

L2V520 204.1 304.5 357.0 438.0 474.0 520.0 209 270 265 35.0

L2V575 220.8 334.5 394.0 486.0 520.0 575.0 209 270 265 37.3

XL12V50 20.0 28.2 32.7 42.3 45.5 50.4 220 172 235 19.5

XL12V70 28.6 39.1 45.6 57.0 61.5 66.6 262 172 239 25.0

XL12V85 34.6 48.1 57.5 73.5 80.5 85.7 309 172 239 29.7

XL6V180 74.3 100.0 120.0 147.0 165.5 179.0 309 172 241 30.5

[V] (2 V cell) 1.60 1.60 1.60 1.70 1.75 1.80

[V] (6 V block) 4.80 4.80 4.80 5.10 5.25 5.40

[V] (12 V block) 9.60 9.60 9.60 10.2 10.5 10.8

All technical data refer to 20 °C. 1) Includes installed connector

5. Faults

Call the service agents immediately if faults in the

battery or the charging unit are found. Recorded

data as described in item 3. must be made avail-

able to the service agent. It is recommended that

a service contract is taken out with our agent.

6. Storage and taking out of operation

Refreshening charge shall be carried out latest if

the open circuit voltage is decreased to the fol-

lowing guide values:

– Gel: 2.075 Vpc respectively 4.15 V (4V-block),

6.225 V (6V-block), 8.3 V (8 V-block), 10.375 V

(10V-block), 12.45 V (12V-block)

– AGM: 2.095 Vpc respectively 6.285 V

(6V-block), 12.75 V (12V-block).

To store or decommission cells/blocks for a

longer period of time they should be fully charged

and stored in a dry frost-free room.

To avoid damage the following charging

methods can be chosen:

1. Annual refreshing charge acc. to item 2.4.

Gel-batteries A400, PowerCycle, A500, A600

and A700 can be stored without refreshing

charge for maximum 24 months at ≤ 20 °C. At

average ambient temperatures of more than

the nominal temperature shorter intervals can

be necessary.

2. Float charging as detailed in 2.3.

7. Transport

Cells and blocks must be transported in an

upright position. Batteries without any visible

damage are not defined as dangerous goods

under the regulations for transport of dangerous

goods by road (ADR) or by railway (RID). They

must be protected against short circuits, slip-

ping, upsetting or damaging. Cells/blocks may

be suitable stacked and secured on pallets (ADR

and RID, special provision 598). It is prohibited

to staple pallets.

No dangerous traces of acid shall be found on

the exteriors of the packing unit.

Cells/blocks whose containers leak or are dam-

aged must be packed and transported as class

8 dangerous goods under UN no. 2794.

In case of air transport, batteries which are part

of any equipment must be disconnected at their

terminals, and the terminals must be protected

against short-circuits. This is in order to avoid

the risk of any incidents like fire etc.

8. Central degassing

The ventilation of battery rooms and cabinets,

respectively, must be carried out acc. to

EN 50272-2 always. Battery rooms are to be

considered as safe from explosions, when by

natural or technical ventilation the concentration

of hydrogen is kept below 4% in air.

This standard contains also notes and calcula-

tions regarding safety distance of battery open-

ings (valves) to potential sources of sparks.

Central degassing is a possibility for the equip-

ment manufacturer to draw off gas. Its purpose

is to reduce the safety distance to potential

sources of ignition.

Only block batteries equipped by a tube junction

for central degassing must be used for this

application.

The installation of the central degassing must be

carried out in acc. with the equivalent installation

instructions. During each battery service also the

central degassing must be checked (tightness of

tubes, laying in the direction of the electrical

circuit, drawing off the end of the tube to the

outside).

9. Technical Data

The following tables contain values of either

capacities (C

) or discharge rates (constant cur-

rent or constant power) at different discharge

times (t

) and to different final voltages (U

All technical data refer to either 20 °C or 25 °C

(depends on battery type).