SNAPHAT® Battery Life Calculation

Device Information

ZEROPOWER device selection information is given in the ZEROPOWER Product Selector.

M4Z28-BR00SH1: 3V, 48mAh, 0 to 70°C, SNAPHAT package

M4Z32-BR00SH6: 3V, 120mAh, –40 to 85°C, SNAPHAT package

Select the ZEROPOWER Device, Temperature range and Battery Type and Click for battery life data.

Data Retention Lifetime vs. Temperature in Years (Vcc Always OFF)
Temperature (°C)	Typical	Worst Case
0	>>20	>>20
10	>>20	>20
20	>>20	>20
25	>20	17.2
30	>20	12.9
40	14.2	7.5
50	7.4	3.8
60	4.5	2.5
70	2.6	1.4

Data Retention Lifetime vs. Temperature in Years (Vcc Always OFF)
Temperature (°C)	Typical	Worst Case
0	>>20	>>20
10	>>20	>>20
20	>>20	>>20
25	>>20	>>20
30	>>20	>20
40	>20	18.6
50	18.4	9.5
60	11.3	6.2
70	6.5	3.5

Data Retention Lifetime vs. Temperature in Years (Vcc Always OFF)
Temperature (°C)	Typical	Worst Case
–40	>>20	>>20
–30	>>20	>>20
–20	>>20	>>20
–10	>>20	>>20
0	>>20	>>20
10	>>20	>20
20	>>20	>20
25	>20	17.7
30	>20	13.1
40	16.7	7.5
50	8.4	4.0
60	5.4	2.5
70	3.1	1.4
80	1.7	0.8
85	1.4	0.6

Data Retention Lifetime vs. Temperature in Years (Vcc Always OFF)
Temperature (°C)	Typical	Worst Case
0	>>20	>>20
10	>>20	>>20
20	>>20	>>20
25	>>20	>>20
30	>>20	>>20
40	>>20	>20
50	>20	16.4
60	19.7	10.1
70	11.0	5.8

Data Retention Lifetime vs. Temperature in Years (Vcc Always OFF)
Temperature (°C)	Typical	Worst Case
0	>>20	>>20
10	>>20	>>20
20	>>20	>>20
25	>>20	>>20
30	>>20	>>20
40	>>20	>>20
50	>>20	>>20
60	>>20	>20
70	11.0	11.0