Capacity
- Promate POWERPACK-10C
- 10,000 mAh battery capacity
- Promate BOLT-20PD
- 20,000 mAh battery capacity
Power bank comparison
Compare capacity, charging speed, ports and weight.
01Selected ![]() Promate POWERPACK-10C
KSh 5,800In Stock | 02 ![]() Promate BOLT-20PD
KSh 5,000In Stock |
|---|







Choose the Promate BOLT-20PD if you want a bigger 20,000 mAh battery and a lower price (KSh 800 less).
The main differences to help you choose.
| Priority | Promate POWERPACK-10C | Promate BOLT-20PD |
|---|---|---|
| Battery life | 10,000 mAh battery | 20,000 mAh battery |
| Output power | 20 W rated output | Total: up to 20W |
| Power-bank charging time | AC charging: approximately 5.5–6 hours | 7–13 hours |
| Input profiles | AC: 100–240V, 50/60Hz, 0.3A | USB-C2: 5V / 3A, 9V / 2.22A, 12V / 1.67A |
| Input ports | USB-C and AC charging | USB-C2 |
Tick a topic above to see how each product answers it.
Explore the full specifications, section by section.
| Specification | Promate POWERPACK-10C | Promate BOLT-20PD |
|---|---|---|
| Brand | Promate | Promate |
| Model | POWERPACK-10C | BOLT-20PD |
| Battery capacity | 10,000 mAh | 20,000 mAh |
| Rated energy | 36Wh | 74Wh |
| Maximum output power | USB-C: 20W; USB-A: 22.5W | USB-C: up to 20W; USB-A: up to 22.5W individually; combined total: up to 20W |
| Input ports | USB-C and AC charging | USB-C2 |
| Output ports | USB-C; USB-A; integrated USB-C cable | Two USB-C ports; USB-A |
| Input profiles | AC: 100–240V, 50/60Hz, 0.3A; USB-C: 5V / 2.5A, 9V / 2A, 12V / 1.5A; 18W maximum | USB-C2: 5V / 3A, 9V / 2.22A, 12V / 1.67A; 20W maximum |
| Output profiles | USB-C port / cable: 5V / 2.4A, 9V / 2.22A, 12V / 1.6A; 20W maximum. USB-A: 5V / 3A, 5V / 4.5A (SCP), 9V / 2A, 12V / 1.5A; 22.5W maximum. Combined AC charger mode: 5V / 2A; combined power-bank mode: 5V / 3A | USB-C1 / C2 individually: 5V / 3A, 9V / 2.22A, 12V / 1.67A; 20W maximum. USB-A: 5V / 4.5A, 9V / 2A, 12V / 1.5A; 22.5W maximum. Combined total: 20W maximum |
| Integrated cable | Integrated USB-C cable; 88mm; up to 20W output | — |
| Power-bank charging time | AC charging: approximately 5.5–6 hours; USB-C DC charging: approximately 3.5 hours | 7–13 hours; depends on charger and charging conditions |
| Battery type | Lithium-ion | Li-Polymer |
| Charging Cable Length | — | 20cm |
| Display and protection | — | LCD battery-status display; overcharging and overheating protection |
| Specification | Promate POWERPACK-10C | Promate BOLT-20PD |
|---|---|---|
| Weight | — | 420g |
These products have the same published specifications.
Choose BOLT-20PD for more battery capacity.
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