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Comments On Apr 14, 2013:This battery is 3 years old. At the end of year 2 the ATV broke and was not repaired. This Yumicron type Yuasa YB12L-A1 sat outside for 11 months neglected. Voltage was 9.8 V and acid levels were OK. An 8 hour slow charge brought up voltage but no power. I was able to recover the battery to 80% of rated power in 4 days with 6 fast/ slow charge cycles and a 48 hour de-sulfation. I'm impressed !!
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