Measurement database
Measurement database: battery packs and power banks
Ready-made battery packs and power banks: how much of the claimed capacity is left.
- 20devices
- 20reviews
- 10review recommends
In brief: The table contains 20 devices of 20 reviews; all figures are taken from the reviews themselves. Lowest ripple: Ugreen PB107, 50 mV. Highest efficiency: Powerbank Tlife, 87.6 %. Highest power in test: M18 6 Ah battery, 150 W. Highest measured capacity: Ugreen PB107, 10160 mAh. Lowest internal resistance: CSB HRL-1234W-F2-FR, 12 mΩ.
| Device | VoltageV | CurrentA | CapacitymAh | ResistancemΩ | Temperature rise°C | Price$ | Conclusion |
|---|---|---|---|---|---|---|---|
| TPcell M12 6 Ah batteryWith reservations · 2024 Capacity and cells are good, but the power contacts grip poorly; the author finds it suitable as a spare. | — | — | 6000 | 28 | 50 | 25 | |
| Power bank for 8×18650 cellsRecommended · 2023 Reworking the bus bars added about 1.5 Wh of output; the author recommends the simple modification. | — | — | — | — | — | — | |
| Power bank based on the SW6208 chip for 8 18650 cellsRecommended · 2023 The author likes and recommends the power bank despite resistive battery strips, controller heating, and a faulty flashlight. | — | — | — | — | — | 7.5 | |
| Bluetti EB55Recommended · 2023 The station impressed the author; balancing restored the battery, but the balancer is weak and the enclosure could be more compact. | — | — | — | — | — | — | |
| BL1860Recommended · Makita · 2023 The pack delivered its stated capacity and pleased the author; it uses Samsung 30Q cells. | — | — | 5933 | 30 | 77 | — | |
| BL1850Recommended · TPcell · 2023 The pack uses genuine high-current cells and delivers about 4,800 mAh; the author says it is worth buying. | — | — | 4795 | 35 | 74 | — | |
| Power bank with QC/PD output up to 22 WWith reservations · 2023 An interesting QC/PD power bank with a good display, but assembly is awkward and charge indication is inaccurate. | 12 | — | — | — | — | 15.77 | |
| 12 Ah 6S lithium battery pack2021 The battery is rated at 12 Ah; charging one cell fully took 12.25 Ah. | — | — | — | — | — | — | |
| M18 6 Ah batteryNot recommended · Milwaukee · 2021 The battery delivered 3.67 Ah instead of the claimed 6 Ah; the author advises against buying it. | — | — | 3670 | — | — | — | |
| BL1013Not recommended · Makita · 2020 The battery measured only 1.4 Ah, far below its claimed capacity; its case heated above 50 °C at a 10 A discharge. | — | — | 1400 | 52.7 | 50 | — | |
| Battery for Teclast Tbook 10S tabletRecommended · 2020 The battery measured 7124 mAh, and after replacement the tablet lasts about as long as new. | — | — | 7124 | 37 | — | 19.5 | |
| CSB HRL-1234W-F2-FRWith reservations · 2020 It delivered 5.9 Ah and 70 Wh at moderate discharge, but only 4.3 Ah at 23.5 A. | 12 | — | 4285 | 12 | — | 25 | |
| 2P 6400 assemblyWith reservations · 2019 Measured capacity was 5957 mAh versus 6400 mAh stated; protection triggered at 6.7 A. | — | — | 5957 | — | — | — | |
| Ugreen PB107Recommended · 2018 The power bank delivered its rated capacity and tested well; the author recommends it if Quick Charge is not needed. | 5 | 2.1 | 10160 | — | — | 20.5 | |
| Epilot E4With reservations · 2018 A working power bank with pass-through charging and acceptable efficiency, but its output voltage and protection could be better. | 5 | 2 | — | — | — | 11.99 | |
| Power bank for 8 18650 cellsRecommended · 2017 Suitable for high capacity and low current, but the output sags under load and there is no QC. | — | 2 | — | — | 70 | — | |
| Powerbank TlifeWith reservations · 2017 A convenient power bank with independent charging and UPS function, but inefficient in its original form due to low efficiency. | 5 | 2 | — | — | 80 | 12.99 | |
| ORICO 9558RU3Recommended · 2016 The enclosure is quiet and keeps drives cool, but its software is unfinished and multi-threaded transfers are slower. | — | — | — | — | — | 102 | |
| Battery for N310 netbookRecommended · 2015 The author considers the battery usable: the netbook ran for about 4.5 hours, but the case is taller than the original and slides on the table. | — | — | — | — | — | — | |
| PowerbankWith reservations · 2014 The device is convenient, but the batteries’ actual capacity is almost half the stated figure; the author is unsure it is worth buying. | 12.6 | — | 1000 | — | — | — |
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Figures were automatically extracted from review text, and each one was checked against a quote from the review. Measurement conditions vary: see the review for details. Prices are as of the review date. A dash means the review text does not include this value.
