14430: 14mm x 43mm 400mAh. Battery: 14430. 10440: 10mm x 44mm (AAA Size) 200mAh. Battery: 10440. 18500: 17.90mm x 51mm 800mAh, 1000mAh. 14500: 14mm x 45mm (AA Size) 250mAh, 300mAh, 400mAh, 500mAh, 600mAh.
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