ElecGear Lithium ion Battery Pack for Xbox Wireless Controller, 2x 1200mAh Li-ion Rechargeable Battery for Xbox Series X/S, Xbox One Video Game Controller with 2x Play and Charge USB Cable: Amazon.co.uk: PC
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RS PRO 11.1V Lithium-Ion Rechargeable Battery Pack, 2.6Ah - Pack of 1 | RS