Shenzhen Grepow Battery Co., Ltd. 400Wh/kg Semi-Solid 16Ah 6S (TARBG4016K06S10X)
Series: Shenzhen Grepow Battery Co., Ltd. Batteries for drones
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The Grepow 400Wh/kg Semi-Solid 16Ah 6S (part number TARBG4016K06S10X) is a semi-solid lithium battery from Shenzhen Grepow Battery for mid-size multicopters. Six cells in series give a nominal 22.2 V at 16 Ah; the pack measures 185 × 71.5 × 41 mm.
22.2 V and 16 Ah give 355.2 Wh; at 990 g that is 358.8 Wh/kg at pack level. The series name quotes 400 Wh/kg; the finished pack reaches about 359 Wh/kg when calculated. The continuous current is 48 A (3C), about 1.1 kW; as a peak 80 A is allowed for at most 15 s. The connector version is selectable, XT90S-F or AS150U-F. The maker quotes more than 300 cycles of life; the figure depends on depth of discharge and current.
355.2 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. The pack alone weighs 990 g, more than the 900 g that an entire aircraft of EU class C1 may weigh.
In selection the continuous current of 48 A must cover the hover current of the aircraft with reserve; at 3C the pack is built for endurance, not for high current. XT90S-F and AS150U-F both have spark protection, and the AS150U-F is made for higher currents; either version has to match the wiring. Wear shows as lost cycles, growing voltage sag and deformed cells; the six cell voltages are checked at the seven-pin balance lead. Storage is in the middle of the charge range as the maker specifies.
Technical data
Other data
| C-rate | 3correct |
|---|---|
| Capacity (mAh) | 16,000correct |
| Cell chemistry | Halbfest LiPocorrect |
| Cell count (S) | 6Scorrect |
| Continuous current (A) | 48 Acorrect |
| Energy (Wh) | 355.2correct |
| Energy density (Wh/kg) | 358.79 kgcorrect |
| Form factor | Packcorrect |
| Nominal voltage (V) | 22.2 Vcorrect |
| Weight (g) | 990correct |
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