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| Stationary Lead Acid Battery Testing Laboratory |
Stationary Lead Acid Battery
IEC 60896-22 is applicable to :-
- All stationary Lead-acid cells
- Monobloc batteries of the valve regulated type
- For Float charge application: They can be permanently connected to a load and d.c. power supply.
- In a static location: not generally moved from place to place.
They are incorporated into stationary equipment or installed in battery room.
These kinds of batteries can be used in
- Telecom
- UPS
- Utility switch
- Emergency power or similar applications
Objective of IEC 60896-22 :- It specify the methods of tests for all types and construction of valve regulated stationary Lead acid batteries and monobloc batteries.
Does not applicable :
- lead-acid cells and monobloc batteries used for vehicle engine starting applications
- solar photovoltaic energy systems
- general purpose applications
There is a list of tests performed on the batteries for safe operation characteristics, durability Characterstics & performance Characteristics.
Safe operation characteristics | ||
| Test Clause | Measure | Purpose |
| 6.1 | Gas emission | To determine the emitted gas volume |
| 6.2 | High Current Tolerance | To verify the adequacy of current conduction cross- sections |
| 6.3 | Short circuit current & d.c internal resistance | To provide data for the sizing of fuses in the exterior circuit |
| 6.4 | Protection against internal ignition from external spark sources | To evaluate the adequacy of protective features |
| 6.5 | Protection against ground short propensity | To evaluate the adequacy of design features |
| 6.6 | Content and durability of required markings | To evaluate the quality of the markings and the content of the information |
| 6.7 | Material identification | To ensure the presence of material identification markings |
| 6.8 | Valve operation | To ensure the correct opening of safety valves |
| 6.9 | Flammability rating of materials | To verify the fire hazard class of battery materials |
| 6.10 | Intercell connector performance | To verify the maximum surface temperatures of the connectors during high rate discharges |
Performance characteristics | ||
| Test Clause | Measure | purpose |
| 6.11 | Discharge capacity | To verify the available capacities at selected discharge rates or discharge durations. |
| 6.12 | Charge retention during storage | To provide storage duration data |
| 6.13 | Float service with daily discharges | To determine cyclic performance under float charge conditions |
| 6.14 | Recharge behavior | To determine the recovery of capacity or autonomy time after a power outage |
Durability Characteristics | ||
| Test Clause | Measure | purpose |
| 6.15 | Service life at an operating temperature of 40 °C | To determine the operational life at elevated temperatures |
| 6.16 | Impact of a stress temperature of 55 °C or 60 °C | To determine the influence of high stress temperatures on cell or monobloc battery life |
| 6.17 | Abusive over-discharge | To determine the expected behaviour when excessive capacity is discharged |
| 6.18 | Thermal runaway sensitivity | To determine the expected times to establish a condition of escalating current and temperature |
| 6.19 | Low temperature sensitivity | To determine the sensitivity toward damage induced by electrolyte freezing |
| 6.20 | Dimensional stability at elevated internal pressure and temperature | To determine the propensity of the cell or monobloc battery to be deformed by internal pressure and at elevated temperature |
| 6.21 | Stability against mechanical abuse of units during installation | To determine the propensity of the cell or monobloc battery to fracture or leak when dropped. |
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