2×Pylontech battery for parts or repair

Listing is for two (2) Pylontech US2000 lithium batteries, manufactured 09/2019. These batteries are functional but degraded due to age. Condition details (honest description): Batteries power up normally and communicate correctly SOC reading is stable at low loads Under higher loads (e.g. kettle, heavy appliances) SOC drops rapidly Indicates ageing cells / increased internal resistance Batteries are NOT suitable for full-capacity daily use Technical info: Model: US2000 (standard version, not Plus / Pro) Capacity: 2.4kWh per unit Voltage: 48V Chemistry: LiFePO₄ Year: 2019 🔧 Ideal for: Repair, cell replacement, BMS testing, spare parts, or DIY energy storage projects. ⚠️ Sold as-is, for parts or repair. No returns accepted due to nature of the item. Price: €420 for both (offers accepted)