Venom Replacement Battery Packs for Xbox Charging Dock Black (Xbox Series X & S/Xbox One)

Replacement or additional battery packs for use with any Venom Xbox Series X Generation Charging Dock (Part numbers VS2870, VS2871, VS2879, VS2880, VS2881, VS2888) Includes 2 x 850mAh rechargeable battery packs plus 2 x battery compartment covers for Series X controllers and 2 x battery compartment covers for Xbox One generation controllers Ideal for gamers who have purchased a Venom Xbox Charging Dock but have more than 2 controllers Cannot be used independently - must be used in conjunction with a Venom Xbox Series X Charging Dock This Battery packs are for use with the Xbox Series X / S Venom Docks only - (Part numbers VS2870, VS2871, VS2879, VS2880, VS2881, VS2888). They are not suitable for use with our older Xbox One Docks (Sku codes VS2851, VS2859) NOTE- i. Please check polarity symbols on each battery pack prior to insertion to make sure they match against the symbols on your controller ii. To ensure a longer lifespan of your battery packs, we recommend charging to full capacity prior to initial use, Platforms: Xbox Series X