Ericsson Elex Top

| Symptom | Probable Cause | Solution | |---------|----------------|----------| | Low voltage (<10V) on a "12V" unit | One dead cell (internal short) | Replace battery; cannot be repaired | | Battery case hot to touch (>50°C) | Thermal runaway due to overcharging or internal short | Disconnect immediately, replace | | Craters/white powder on terminals | Sulfation + corrosion | Clean with baking soda/water, apply dielectric grease, test capacity | | Unit shows 12.6V but fails load test | High internal resistance (end of life) | Replace battery |


| Model Variant | Voltage | Capacity (Ah) @ 20hr rate | Typical Dimensions (LxWxH) | Common Use Case | |---------------|---------|---------------------------|----------------------------|------------------| | ELEX TOP 12-18 | 12V | 18 Ah | 181 x 76 x 167 mm | Small UPS, DSLAM | | ELEX TOP 12-26 | 12V | 26 Ah | 165 x 125 x 175 mm | Micro BTS, routers | | ELEX TOP 12-65 | 12V | 65 Ah | 350 x 166 x 174 mm | Street cabinets | | ELEX TOP 12-100| 12V | 100 Ah | 330 x 173 x 216 mm | Main BTS backup | | ELEX TOP 2-200 | 2V | 200 Ah (per cell) | Custom rack mount | Central office power | ericsson elex top

Note: Always verify specifications on the physical label of your Ericsson ELEX TOP unit, as private labeling for specific telecom contracts may vary. | Symptom | Probable Cause | Solution |


If you are replacing or installing an Ericsson ELEX TOP battery system, follow these protocols: | Model Variant | Voltage | Capacity (Ah)


In a cell tower, if the grid fails, the battery must keep the radios and backhaul equipment running for 1 to 4 hours until a generator arrives. The ELEX TOP’s low internal resistance allows it to instantly supply 50-100A without voltage collapse.