[4] Nickel–zinc batteries have a charge–discharge curve similar to 1.2 V NiCd or NiMH cells, but with a higher 1.6 V nominal voltage.

The European Parliament has supported bans on cadmium-based batteries;[1] nickel–zinc is a good alternative for power tools and other applications.

A disadvantage is increased self-discharge rate after about 30–50 cycles, so that batteries do not hold their charge as long as when new.

The output voltage of a 1.2 V rechargeable cell will drop to this point before it has fully delivered its charge.

They have low internal impedance (typically 5 milliohms), which allows for high battery discharge rates, up to 50C.

)[citation needed] Newer cells which are more powerful and have a life of up to 800 cycles can be an alternative to Li-ion batteries for electric vehicles.

NiZn cells use no flammable active materials or organic electrolytes, and later designs use polymeric separators which reduce the dendrites problem.

NiZn technology is well suited for fast recharge cycling, as optimum charge rates of C or C/2 are preferred.