PowerStem

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A bicycle stem with built-in 6000mAh rechargeable battery capacity (~2x phone battery) with USB port to power Garmin computers, smartphones, front lights, camera or any USB device   

•Keep your cycling computer or smartphone fully charged on day-long or multi-day rides / camping/ touring trips

• provide backup power for front light for long night rides 

• Replaces standard bicycle stem 
• High capacity built in Lithium battery
• Adds ~1 Oz of weight compared to standard stem
• Virtually invisible
• Totally safe, mechanically and electrically
• Rechargeable - (micro USB, type C available soon)

• 6000 mAh

• Total weight :220 gm

• Charge time from empty: 4-5 hrs

• Run time :8-12 hrs

• Dimensions: currently available in 100 mm and 110 mm only

• Please specify angel

• 3 month Warranty
• Easy return or exchange