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deep cycle Li polymer A123 lifepo4 battery 3.2v a123 20ah prismatic Lifepo4 rechargeable battery cell use for E bike A123 3.2V|Electric Bicycle Battery| - AliExpress
A123 Systems - Wikipedia
A123 System High Power Nanophosphate LiFePO4 18650 Rechargeable Cell: 3.2V 1100 mAh, 30A Rate, 3.52Wh
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