If you switch your lighting to 18650 cells, you will only have to worry about one type of battery. Unless you know how to hack the power bank, you won’t be able to easily remove the cells. You can just bring a new 18650 battery on your trip. However, with 18650 cells, you have the ability to replace them as it happens. The charger weighs just 1oz.Īll types of batteries – including 18650 cells and power banks – will eventually lose storage capacity over time. Shown: The LC10 charger/power bank by Nitecore. But that powerbank doesn’t have the same flexibility as using 18650 cells. The NiteCore NB1000 Ultra Slim has 10,000mAh and weighs just 5.5oz – which is 1,887mAh per ounce. *Note that this definitely isn’t the lightest setup when it comes to mAh per oz. However, you can use silicone sleeves for the cells (which weigh almost nothing) and you’d have to bring cables for a power bank too. True, you do have to add in the weight of cables and a carrying case for the 18650 setup. There are other chargers with discharging capabilities, but the LC10 is the lightest I’ve seen. ![]() Their LC10 charger weighs just under 1 oz. The Anker 313, for example, has 10,000mAh of power at 7.52oz – which is 1,330mAh per ounce.īut it is still hard to beat the weight of a 18650 cell for ultralight backpacking.Ī NiteCore 18650 3,500mAh cell weighs approximately 1.8oz. Power banks have gotten incredibly lightweight. On long thru-hikes or situations where you have high power needs, bring as many cells as you need. On weekend trips, you probably just need one 18650 cell. This is by far the biggest benefit of using 18650 batteries backpacking. Pros of 18650 Batteries for Backpacking Modular Solution However, there are some important differences when it comes to backpacking. ![]() Thus, 18650 cells and power banks have a lot of similarities when it comes to performance. Most power banks actually contain 18650 battery cells or other li-ion cells inside their casing. They also are also more efficient: in real-world situations, you are going to get more capacity with a 18650 than a NiMH-LSD battery. Some newer 18650 batteries are actually a bit larger than this though.Ĭompared to standard rechargeable (NiMH-LSD) batteries, 18650 cells are much more power dense and thus lighter-weight. They get their name because they measure 18mm x 65mm. Technically called cells and not batteries, 18650 batteries are rechargeable lithium-ion batteries. You just then need a charger which also has discharging capabilities so you can charge your phone and other USB devices with the 18650 batteries. ![]() As I talk about in my post about the best ultralight power banks for backpacking, one interesting solution is to bring 18650 batteries and use them as a power bank.
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