L12M4P21 L13S4P21 54Wh 7400mAh 7.4V Laptop Battery For Lenovo Yoga 2 Pro 13" 121500156 2ICP5/57/128-2 2CP5/57/123-2. L12M4P21 2ICP5/57/128-2 L13S4P21 2CP5/57/123-2. Yoga 2 Pro 13". Battery Type: Li-ion.
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