Compact rechargeable mini bike pump designed to inflate bicycle tires up to 100 psi quickly and on the go. Key benefits: - Rechargeable and convenient. The built-in 300 mAh 7.4 V battery removes the need for disposable batteries and is recharged via a Type-C cable in approximately 25 minutes. - Portable and pocket-sized. At 64.5 x 64 x 31 mm and 93 g, the pump fits in a pocket, saddlebag, or small pack for easy transport. - High-pressure performance. Delivers up to 100 psi and can inflate from 0 to 80 psi in about 80 seconds for fast top-ups when you need them. - Efficient for multiple tires. One full charge is sufficient to inflate two tires under typical conditions. - Universal valve compatibility. Works with both Presta and Schrader valves, making it suitable for road bikes, mountain bikes, and many other bicycles. Technical specifications: - Size: 64.5 x 64 x 31 mm. - Weight: 93 g. - Battery: 300 mAh, 7.4 V. - Rated power: 40 W. - Working current: 2.5 to 5.5 A. - Charging mode: Type-C USB. - USB output: 5 V, 1.5 A. - Charge time: 25 minutes (fast charge). - Maximum air pressure: 100 psi. - Inflation speed: 0 to 80 psi in approximately 80 seconds. - Additional feature: Can inflate two tires on a single charge. Typical use scenarios: - Road ride top-ups: Carry the pump in a jersey pocket to quickly restore tire pressure during long rides and maintain consistent handling. - Daily commuting: Keep the pump in a commuter bag for fast inflation after parking, storage pressure loss, or minor punctures. - Touring and bikepacking: Stow the pump in a saddlebag or pack for lightweight, space-saving inflation during multi-day trips where charging from a power bank is possible. This compact pump provides fast, rechargeable inflation up to 100 psi, fits both Presta and Schrader valves, and is small enough to carry on every ride.