Battery Composition: Lithium-Ion. Compatible Lithium-Ion Battery model Do not put battery into water and fire. For -2601-21, 2602-22DC, 2603-20, 2603-22, 2603-22CT, 2604-20, 2604-22. For -2604-22CT, 2606-20, 2606-22CT, 2607-20, 2607-22, 2607-22CT, 2615-20.
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