★Take a 3000 mA battery for example, the 3S 1P battery holder full of batteries the capacity is 3ah, 3S 2P is 6ah, 3S 4P is 12ah. 1 3S 12 V DIY Li-ion Battery Sets. Suitable for: 18650 Li-ion Lithium batteries Not applicable 21700 Li-ion Lithium batteries.
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