| Issue | % of Reports | |-------|--------------| | Unit stops working within 3 months | 41% | | Overheating / plastic smell | 28% | | Capacity far less than advertised | 52% | | Charger or AC outlet failed | 19% | | Refund/return refused by seller | 34% |
| Attribute | Claimed Specification | |-----------|----------------------| | Capacity | 1000Wh / 300,000mAh | | Output | AC (110V/220V), USB, DC 12V | | Battery Type | LiFePO4 or “Lithium-ion” | | Weight | ~8 kg (varies by listing) | | Certifications (as listed) | “CE”, “FCC”, “RoHS” (no logos or cert numbers) |
Dumo Portable Site
| Issue | % of Reports | |-------|--------------| | Unit stops working within 3 months | 41% | | Overheating / plastic smell | 28% | | Capacity far less than advertised | 52% | | Charger or AC outlet failed | 19% | | Refund/return refused by seller | 34% |
| Attribute | Claimed Specification | |-----------|----------------------| | Capacity | 1000Wh / 300,000mAh | | Output | AC (110V/220V), USB, DC 12V | | Battery Type | LiFePO4 or “Lithium-ion” | | Weight | ~8 kg (varies by listing) | | Certifications (as listed) | “CE”, “FCC”, “RoHS” (no logos or cert numbers) |
