印度采购需求：摩托车电池、电动自行车电池、汽车电池、蓄电池、锂电池

I am looking for e-bike batteries with capacities of 12 Ah, 28 Ah, and 30 Ah. Could you please provide detailed specifications for these products? I'm particularly interested in understanding the key features, dimensions, and any certifications they have. Additionally, please share your pricing information, including bulk order discounts, shipping costs, and lead times. This info will help me make a well-informed purchasing decision, so I appreciate your prompt response!