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Amazon.com : Talentcell 12V Lithium ion Battery PB120B1, Rechargeable 38400mAh 142.08Wh Li-ion Battery Pack with DC 12V and 5V USB Output for LED Light Strip, CCTV Camera, Mobile and More : Electronics
My Innovation 12v 20AH Lithium Ion Battery Pack, 1.5 kg, Capacity: 20ah,20000 Mah at Rs 3500 in Kolkata