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[Amazon] 2-Pack Botku 12V 10Ah LiFePO4 Battery - $39.99 (was $69.99)
Features:
- Built-in BMS protection device that prevents overcharging, over-discharging, over-current and short-circuit, with a very low self-discharge rate
- Can be connected in series or parallel, up to 4 identical batteries
- 3000+ cycles
- 128Wh per battery