For divers who rely on rechargeable 18650/21700 batteries, having one device that can handle both battery charging and act as a power bank makes travel much simpler. This xtar PB2SL V2 2-in-1 charger & power bank can help a lot. It works both as a smart charger for 18650/21700 batteries, and as a power bank for USB devices. During your dive trips, with the xtar PB2SL V2, you can recharge the dive light batteries easily, and when needed, it also powers up your phones or other electronics.
Handy Gear for Dive Trips - XTAR PB2SL V2 Portable Charger & Power Bank
- Thread starter XTAR
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Does it work as a powerbank by itself or does it have to have batteries to charge (does the powerbank charge both batteries and external item simultaneously or does it use the batteries to charge an external item)?
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