Comparison of Cycle characteristics (Charge / Discharge)
Sony battery is the best well-balanced (Capacity & Cycle) battery. Initial capacity of Brand A is as same as Sony 2100mAh. However, Brand A is exhausted after 90 cycles. Brand B has as same level of cycle characteristics as Sony 2100mAh. However, their actual capacity is much less than announced capacity.

Digital camera comparison (CIPA Testing)
Capacity of Sony batteries is better than other brands of higher announced capacity.

Discharge comparison (High drain)
Actual capacity of other brands is less than
their announced capacity.
Brand B is much less, Brand A is as same as Sony’s 2100mAh.

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