ChargePAK B1 Previous image Next image £29.99 Previous image Next image ChargePAK B1 Rechargeable Battery Pack £29.99 SRP Where to buy Listen to your Pure radio wherever you go for up to 20 hours - and never buy batteries again. Buy Online Share: Compatibility One Mini Series 1/2/3 Evoke D1 Evoke D2 Evoke D2 with Bluetooth Evoke D2 Mio with Bluetooth Evoke H2 Evoke H3