: In the first half of 2020, she ranked 3rd in adult video sales by actress and 8th in overall popularity according to Monthly FANZA.
| Requirement | Panasonic’s Solution (via Matsushita-led teams) | |-------------|--------------------------------------------------| | >10,000 cycles | Optimized NCA cathode with single-crystal particles | | High current (C-rate) | Low-resistance separators & tabless 4680 design | | Thermal stability | Silicone-based thermal interface materials | | Fire safety | Ceramic-coated separators + pressure-relief vents | matsushita saeko megapack
Konosuke Matsushita founded Matsushita Electric Industrial Co. (now Panasonic) in 1918. By the 1970s, Panasonic had entered battery manufacturing, later becoming a world leader in cylindrical lithium-ion cells (e.g., the 18650, 2170, and upcoming 4680 formats). Panasonic’s energy unit supplies cells for: : In the first half of 2020, she
