query: low efficiency in mobile phone charger
positive_passages.docid: 20994
positive_passages.text: Input power rating on power supplies - how does max amp draw apply to 220V
negative_passages.docid: 135049
negative_passages.text: Is it safe, or even possible, to draw more power from a USB port than it was designed to provide
negative_passages.docid: 36515
negative_passages.text: How can a faulty USB charger kill you?
negative_passages.docid: 1427
negative_passages.text: What prevents this magnetic perpetuum mobile from working?
negative_passages.docid: 5889
negative_passages.text: Ideal charging / discharging percentage for maximum battery life?
negative_passages.docid: 34780
negative_passages.text: How can I limit battery charging to 80% capacity?
negative_passages.docid: 96570
negative_passages.text: Solar Cell - Preventing overcharge of an NiMH battery
negative_passages.docid: 22283
negative_passages.text: Does constant charging harm my Android cellphone?
negative_passages.docid: 72744
negative_passages.text: Battery charge status decreases while plugged in charging
negative_passages.docid: 65951
negative_passages.text: Can as device that runs of USB be powered from a charger?
negative_passages.docid: 83091
negative_passages.text: Draw power from a portable mobile charger to power circuits
negative_passages.docid: 136662
negative_passages.text: Troubleshooting why Powerbank Doesn't Charge Cell Phone
negative_passages.docid: 138573
negative_passages.text: What is the minimum charging current for NCR18650 li ion battery?
negative_passages.docid: 122033
negative_passages.text: How a usb device identify a purpose made powerful USB charger?
negative_passages.docid: 16171
negative_passages.text: Shocking? - MacBook stubby earthed charger UK
negative_passages.docid: 12411
negative_passages.text: Higher current draw from powerbank?
negative_passages.docid: 9951
negative_passages.text: Can I charge my laptop with a charger that has different specifications?