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Judge Accumulator Malfunction

Shenzhen Improve Battery Co.,Ltd | Updated: Mar 09, 2017

1. Use hydrometer to determine each section’s weight 
2. Compare test results with the following
3. If all are red, the battery should be tested after charge
4. If a cell or cells (not all) is red, the battery needs to be replaced
5. If all are yellow, the battery is good, further testing to confirm the voltage

Battery capacity, Color, Weight value, Voltage value 
About 100% Yellow 1.27 12.7 
About 75% White 1.23 12.4 
About 50% White 1.18 12.1 
About 25% Red 1.13 11.8 
About 0% Red 1.08 11.5 
Voltage detection 
1. Measure the weight before voltage test 
2. Compare the result with the following 
3. If the voltage is OK and hydrometer detected in the yellow zone, indicating that the battery may be good, making sure by the battery tester. 
4. If the voltage detects NG, even if the hydrometer detected in the yellow zone, indicating that the battery is questionable and should be replaced.

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