SBG Systems Stellar-40
AI-Enhanced, NDAA-compliant High-Energy Density Batteries for Drones & Unmanned Systems
H6AF High-energy anode-free pouch cell
H6AF

The H6AF from SES AI is an NMC, anode-free pouch cell with 6.3 Ah typical capacity, 24.3 Wh typical energy, and a nominal voltage of 3.85 V. At 25°C, 100% depth of discharge, and C/10, the cell is specified at 525 Wh/kg gravimetric energy density. It weighs 46.0 ± 1.0 g and measures 71.5 ± 1.0 mm long by 48.5 ± 0.5 mm wide, with a thickness of 6.2 ± 0.2 mm at 0% state of charge.

The H6AF supports a maximum continuous discharge rate of 7C and a 15C maximum pulse at 50% state of charge, 25°C, for 30 seconds. Its specified discharge temperature range extends from -30 to 60°C, while charging is specified from 0 to 45°C. Brochure performance data includes discharge profiles at 0.2C, 1C, 3C, 5C, and 7C, temperature-discharge testing at 45°C, 25°C, 0°C, and -30°C, and charge-rate profiles spanning 0.33C through 3C. Cycle-life specifications state more than 70 cycles to 80% SOH at 25°C under 150 psi, compared with more than 10 cycles at 0 psi, using the stated +0.2C/-1C test condition.

Capacity:6.3 Ah typical
Energy:24.3 Wh typical
Nominal voltage:3.85 V
Charge voltage:4.5 V
Discharge voltage:2.5 V
Typical charge rate:C/5
Maximum continuous discharge rate:7C
Maximum pulse discharge:15C at 50% SoC, 25°C, 30 s
Discharge temperature:-30 to 60°C
Charge temperature:0 to 45°C
AC internal resistance:≤6 mΩ, 1 kHz at 30% SoC
DC internal resistance:≤15 mΩ, 50% SoC, 3C/10 s
Weight:46.0 ± 1.0 g
Packaging:Pouch
Chemistry:NMC / Anode Free
Gravimetric energy density:525 Wh/kg at 25°C, 100% DoD, C/10
Cycle life at 150 psi:>70 cycles at 25°C to 80% SOH, +0.2C/-1C, 2.5–4.5 V
Cycle life at 0 psi:>10 cycles at 25°C to 80% SOH, +0.2C/-1C, 2.5–4.5 V
Certification:UN38.3
Length:71.5 ± 1.0 mm
Width:48.5 ± 0.5 mm
Thickness:6.2 ± 0.2 mm at 0% SoC

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