https://vape.co.uk/product/vapcell-p42a-21700-4200mah-rechargeable-battery/
Vapcell P42A 21700 4200mAh Rechargeable Battery - VAPE.CO.UK
May 15, 2026 - The Vapcell battery has a 4200mAh capacity and a max voltage output of 3.7V, with a max continuous discharge current of 30A.
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