The smartphone battery wars are really heating up (not in a Galaxy Note way). The P4 Power 5G supports 80W fast charging, which, despite its huge capacity, means it can be recharged to 50 per cent in just 36 minutes. Long-term battery health is also good, with the battery allegedly retaining more than 80% capacity after eight years. It's not all about the batteryAside from battery specs, the P4 Power 5G aims to combine flagship-level performance and a bold 'Visible Power Design'. Discover the best camera phones and Android phones for photography in our comprehensive guides.