Exact-model comparison · US versions
Nitecore CARBO 10000 Gen2 10,000mAh Power Bank vs NITECORE NB10000 Gen4
CARBO Gen2 raises single USB-C input and output; NB10000 Gen4 reduces listed weight. Their explicit battery energy is close, and their shared ceiling is identical.
BatteryRank comparison
Which tradeoff fits your kit?
CARBO Gen2 offers 30 W single USB-C input and output at a nominal 170 g. NB10000 Gen4 offers 22.5 W at a nominal 143 g, excluding its lanyard cable. The 27 g difference buys a higher single-connection ceiling, not more rated energy: CARBO lists 38.8 Wh versus NB10000’s 39 Wh. Both fall to 15 W total when outputs are combined.
Manufacturer ratings · dated source on each value
What the specifications say
Single-port output shows the ceiling for one wired connection. Combined output describes power shared across ports. They answer different questions.
| Measure | Nitecore CARBO 10000 Gen2 10,000mAh Power Bank | NITECORE NB10000 Gen4 |
|---|---|---|
| Manufacturer-rated capacityOEM capacity rating | 10000 mAhclaimed. Show sourceclaimed sourcenitecore.com ↗checked 2026-10-07 · OEM capacity rating · Rated by Nitecore at 10,000mAh, 3.88V (38.8Wh). | 10000 mAhclaimed. Show sourceclaimed sourcenitecore.com ↗checked 2026-10-07 · OEM capacity rating · The manual rates it 10,000mAh at 3.9V; the product page also states 5,000mAh at 7.8V, equivalent to 10,000mAh at 3.9V. |
| Strongest single USB-C outputMaximum output from one wired USB-C port | 30 Wclaimed. Show sourceclaimed sourcenitecore.com ↗checked 2026-10-07 · Maximum output from one wired USB-C port · Maximum for either USB-C output when used individually; combined output is separately rated at 15W. | 22.5 Wclaimed. Show sourceclaimed sourcenitecore.com ↗checked 2026-10-07 · Maximum output from one wired USB-C port · Maximum from either output; the manual agrees. |
| Single USB-C inputStrongest standard USB-C input; proprietary dock excluded | 30 Wclaimed. Show sourceclaimed sourcenitecore.com ↗checked 2026-10-07 · Strongest standard USB-C input; proprietary dock excluded · USB-C input maximum. | 22.5 Wclaimed. Show sourceclaimed sourcenitecore.com ↗checked 2026-10-07 · Strongest standard USB-C input; proprietary dock excluded · USB-C IN maximum; product page agrees. |
| Manufacturer-listed weightOEM-listed product weight | 170 gclaimed. Show sourceclaimed sourcenitecore.com ↗checked 2026-10-07 · OEM-listed product weight · 170g ±5g. | 143 gclaimed. Show sourceclaimed sourcenitecore.com ↗checked 2026-10-07 · OEM-listed product weight · 143g ±5g, with the lanyard charging cable/accessory excluded. |
| Explicit OEM-rated energyShown only when the manufacturer publishes watt-hours | 38.8 Whclaimed. Show sourceclaimed sourcenitecore.com ↗checked 2026-10-07 · Shown only when the manufacturer publishes watt-hours | 39 Whclaimed. Show sourceclaimed sourcenitecore.com ↗checked 2026-10-07 · Shown only when the manufacturer publishes watt-hours · Both the manual and product page state 39Wh. |
| Combined output ceilingMulti-port total; distinct from one-port output | 15 Wclaimed. Show sourceclaimed sourcenitecore.com ↗checked 2026-10-07 · Multi-port total; distinct from one-port output · Combined total-output ceiling. | 15 Wclaimed. Show sourceclaimed sourcenitecore.com ↗checked 2026-10-07 · Multi-port total; distinct from one-port output · The manual lists total output as 5V/3A (15W maximum) when outputs are combined. |
Unknown readings stay labelled “Not sourced.” Every displayed rating opens its dated source. Manufacturer claims are not independent output or runtime measurements.
Before you choose
The details that change the decision
Check 01
Do your devices use the extra single-port power?
CARBO’s 30 W rating can matter only when the device accepts its profile. NB10000’s 22.5 W ceiling may cover a different charging kit. Both have two USB-C outputs; confirm the exact revision rather than using a previous generation’s specifications.
Check 02
The lighter pack has slightly more rated Wh
CARBO lists 38.8 Wh and 170 g; NB10000 lists 39 Wh and 143 g. These are rated battery energy and OEM weights, not measured USB energy. NB10000 excludes the lanyard charging cable from its nominal weight; both weights carry a manufacturer tolerance.
Check 03
Two devices erase the peak-output advantage
Both document 15 W combined output. CARBO’s 30 W single rating is not available alongside a second output. Its higher 30 W input can still matter at an outlet stop, compared with NB10000’s 22.5 W input, if the charger and cable support it.
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Availability checked 2026-10-07. Stock can change.
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Availability checked 2026-10-07. Stock can change.