Gloworm Power Pack 10 Fast Charge Battery Maximum Runtime, No Compromises When your ride demands maximum runtime, the Gloworm Power Pack 10 delivers. This high-capacity lithium-ion battery doubles the capacity of the Power Pack 5, using USB-C PD fast charging and an OLED fuel gauge to keep you illuminated and informed through the longest night rides and most demanding conditions. Features10, 000m Ah (10Ah) lithium-ion capacityfor maximum runtime on the longest rides USB-C PD fast charginggets you back on the trail quickly between rides OLED fuel gauge displayprovides precise battery monitoring at a glance Power bank functionlets you charge other USB-C devices from the same battery Compatible with all Gloworm G2. x light systems(excluding Alpha models)Durable polycarbonate housingwith silicone frame bumpers to protect your frame or helmet SPECIFICATIONSIntended Use MTB, Road, Gravel Night Riding, Endurance/Ultra Events Capacity10, 000m Ah / 10Ah (8. 4V)Charge Time5hr 15min (20W charger) / 3hr 30min (45W charger)Charging USB-C PD (Power Delivery)Compatibility Gloworm G2. x light systems (not compatible with Alpha or G1. 0 systems)Housing Polycarbonate with silicone frame bumpers | Gloworm | Power Pack 10 Fast Charge Battery 10000Mah Li-Ion Fast Charge Battery W/ Oled