求翻译：镍氢电池是有氢离子和金属镍合成，电量储备比镍镉电池多30%，比镍镉电池更轻，使用寿命也更长，并且对环境无污染。镍氢电池的缺点是价格比镍镉电池要贵好多，性能比锂电池要差。是什么意思？

Ni-MH battery is a synthesis of hydrogen ion and nickel, nickel-cadmium battery power reserve of more than 30 percent lighter than nickel-cadmium batteries, longer service life, and environmental pollution. Ni-MH battery drawback is the price more expensive than a lot of nickel-cadmium batteries, pe

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The nickel hydrogen battery has the hydrogen ions and the metal nickel synthesis, the electric quantity reserve compared to the nickel cadmium cell many 30%, is lighter than the nickel cadmium cell, the service life is also longer, and does not have the pollution to the environment.The nickel hydrog

Nickel-metal hydride battery is the synthesis of hydrogen ion and nickel metal, power reserve more than the nickel-cadmium batteries 30%, more light than the nickel-cadmium batteries, the service life and longer, and no pollution to the environment. Disadvantages of NiMH batteries is the prices more

NiMH battery nickel-hydrogen ions and metals is synthesis, power reserve than nickel cadmium batteries 30%, lighter than nickel cadmium cell, service life longer and that environmental pollution. Disadvantages of NiMH batteries is the prices more expensive than nickel-cadmium batteries to many, the