Tattu (Marke von Grepow) NEO Compact 33000mAh 6S 10C 22.2V Smart
Series: Tattu (Marke von Grepow) Batteries for drones
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The Tattu NEO Compact 33000mAh 6S 10C 22.2V Smart is an intelligent LiPo battery from Tattu, a Grepow brand, for mid-size multicopters. Six cells in series give a nominal 22.2 V at 33 Ah. Smart means the pack carries a battery management system (BMS) that records cell voltages, temperature and charge cycles and can report them to the aircraft over a data line.
22.2 V and 33 Ah give 732.6 Wh; at 4,250 g that is about 172 Wh/kg at pack level, a figure in the range of standard LiPo. The weight carries a tolerance of ±200 g, so the weighed pack counts in the mass budget. The 10C figure appears in the name without saying whether it is continuous or peak; on 33 Ah it would be 330 A, more than an AS150U-F connector, designed for around 150 A, carries as continuous current. It is therefore not a figure to plan with.
732.6 Wh is far above 160 Wh. Under the IATA passenger leaflet (February 2019 edition) the pack travels only as dangerous-goods cargo, not as a spare in hand baggage; UN 38.3 testing is the precondition, and airline rules may be stricter. At 4.25 kg the pack alone exceeds the 4 kg that an entire aircraft of EU class C2 may weigh.
Whether the smart functions are used depends on whether the aircraft supports the pack's communication; the BMS supplies cycle count, cell voltages and temperature, and so wear measures that simple packs do not have. The usual checks still apply: swelling, voltage sag and cell drift. The AS150U-F must match the wiring. Store at about 3.8 V per cell, here 22.8 V, in a cool place and protected against pressure.
Technical data
Other data
| C-rate | 10correct |
|---|---|
| Capacity (mAh) | 33,000correct |
| Cell chemistry | LiPocorrect |
| Cell count (S) | 6Scorrect |
| Connector | AS150U-Fcorrect |
| Form factor | Packcorrect |
| Nominal voltage (V) | 22.2 Vcorrect |
| Weight (g) | 4,250correct |
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
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