Back in the days before Parkinson's took center stage, I was a numbers person. I spent 99% of my working life counting cash, balancing accounts, making budgets and creating charts.
Even to this day, I keep lists and make charts, though they tend to mostly be health related. Sighs.
So, when my DBS was a few years old, I started keeping track of the battery life. Here is my list:
2.97 1-1-16
2.93 6-8-16
2.91 1-1-17
2.85 1-1-18
2.83 4-1-18
2.82 5-4-18
2.81 7-1-18
2.80 8-1-18 31 days
2.79 8-20-18 19 days
2.78 9-16-18 27 days
2.77 10-9-18 23 days
2.76 10-26-18 17 days
2.75 11-11-18 16 days
2.74 11-19-18 8 days
2.73 12-9-18 20 days
2.72 12-16-18 7 days
2.71 12-28-18 12 days
2.70 1-8-19 11 days
2.69 1-17-19 9 days
2.68 1-26-19 9 days
2.67 2-3-19 8 days
2.66 2-10-19 7 days
2.65 2-18-19 8 days
2.64 2-25-19 7 days
2.63 3-5-19 8 days
2.62 3-15-19 10 days
2.61 3-24-19 9 days
ERI 3-30-19
2.60 4-1-19 8 days
2.59 4-11-19 10 days
2.58 4-27-19 16 days
2.57 5-30-19 33 days
Towards the end of 2018, the decline began to accelerate, then it seemed to level off. Since I got the ERI (Elective Replacement Indicated) warning, the decline has slowed. I have been told by a Medtronic rep, that this isn't unusual.
I check it daily, and will schedule replacement sometime soon.
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