40 c 2200mah lipo 3s battery Orange 11.1V 40C Lithium Polymer Pack at ₹ 2900/piece | Lithium Polymer Battery Pack in Bengaluru This new battery from Onyx has a 40C discharge rate 3S-40C -1100 MH,2200 MAH, 11.1
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Becker et al., 2010)

They are often used together rather than as alternatives

How low can I safely discharge a 4S LiPo battery

Blood in Stool: Blood can appear visibly red or dark

& Rupnik, M