Nitecore Summit 10000 -40C Low Temperature Resistant Power Bank
THE ULTIMATE LOW-TEMPERATURE CARBON FIBRE POWER BANK
The Nitecore Summit 10000 is a low-temperature resistant carbon fibre power bank designed for continuous use in temperatures as low as -40ºC. With a generous capacity of 10,000mAh, it provides ample power for smartphones, headlamps, earphones, and other electronic devices.
FEATURES OF THE NITECORE SUMMIT 10000
Featuring both USB-A and USB-C (input only) ports, the Summit 10000 delivers a maximum output of 20W and a maximum input of 18W. Safety is a priority, with multiple safeguards including overcurrent protection, short-circuit protection, over-discharge protection, overcharge protection, overvoltage protection, and thermal protection.
Equipped with a PI heating system, the Summit 10000 offers high efficiency and rapid heating performance, ensuring the battery operates at an optimal temperature to minimise power loss. The carbon fibre structure provides excellent thermal insulation in cold environments, while dual temperature detection modules automatically activate low-temperature heating mode as needed. A red mode indicator illuminates when this mode is engaged.
Designed for adventurers aiming to conquer the summit, the Nitecore Summit 10000 is perfect for mountaineering, polar exploration, time-lapse photography, skiing, and other winter sports. Its unibody carbon fibre shell offers superior protection without splicing, making it both resilient and compact at just 172g.
Included with the Nitecore Summit 10000 are an insulated carrying bag and a USB-C to USB-C charging cable for your convenience.
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Size + Specifications
Cell: Li-ion
Capacity: 10,000mAh 3.85V (38.5Wh)
Rated Energy: 6,400mAh 5V (TYP 1A)
Input: USB-C: 5V⎓2.4A / 9V⎓2A
Output: USB-C: 5V⎓3A / 9V⎓2.22A / 12V⎓1.68A
USB-A: 5V⎓3A / 9V⎓2A / 12V⎓1.5A
Dual Ports: 5V⎓3A (MAX)
IP Rating: IPX5
Dimensions: 125.5mm x 63.5mm x 14.5mm (4.94" x 2.50" x 0.57")
Weight: 172g±5g (6.07 oz±0.1 oz)
Accessories: USB-C to USB-C Charging Cable, Insulation Carrying Bag -
what we think
At Valley and Peak, we’ve had our eye on the Nitecore Summit 10000 for a while, and after field-testing it in the far north of Finland, we’re happy to report it delivers on much of what it promises. Dan recently put it through its paces during a trip to Lake Inari, where temperatures dropped to around -20°C, and the results were impressive.
Designed to operate in extreme cold, the Summit 10000 handled the sub-zero environment with confidence. Even in -20°C, it delivered consistent and reliable power, outperforming many other power banks we’ve used in similar conditions. While we haven’t yet had the chance to test it at its full rated limit of -40°C, based on current performance, we’re optimistic it will hold up well on future expeditions.
One of the standout features is its dual temperature detection modules, which automatically activate a low-temperature heating mode when conditions drop. This function is key to keeping the battery protected and operating efficiently. While it does slightly limit the max charge output while active, it’s a worthy trade-off in harsh conditions. Even with that in play, Dan was able to get three full charges on his Samsung S24 Ultra, which speaks volumes.
There are a couple of considerations. The reflective insulated pouch that comes with the Summit 10000 is essential for maintaining temperature but is extremely tight-fitting. Once the power bank is inside, getting it out can be a bit of a mission. It’s a bit of a faff when you need quick access, but we understand the benefit it provides for insulation.
Durability-wise, Dan’s unit has performed well, but our team member Ash had a minor issue. His power button was accidentally activated in transit and became lodged, leaving the device temporarily unusable. It’s something to be aware of when packing, extra care should be taken to prevent pressure on the button during travel.
All in all, the Nitecore Summit 10000 is a well designed, winter-ready power bank that earns its place in the kit for cold-weather trips. Whether you're winter wild camping or heading off on Arctic expeditions, it’s a reliable source of power when the temperatures plummet. -
Weight
172 g
"The Valley and Peak promise is built on three pillars: thoughtfully curated gear, exceptional customer service, and a genuine love for the outdoors. As an independent, family-run business, we carefully select products from a wide variety of cottage gear brands and trusted names, ensuring that each item is rigorously tested and loved by our team. Our customer service is a cornerstone of our brand, offering personalised support to help you choose and care for your gear with confidence"
Jim De'Ath, Managing Director