DELL 357F9 Laptop Battery Replacement for Dell 15 7559 7557 5576 5577 7566 7567 7759 INS15PD NS15PD Series 357F9, 0GFJ6, 71JF4

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1. Before normal use of the new battery, discharge the capacity to about 10%, then fill the cycle 3-4 times. Be careful not to discharge to 0%. This will make the battery more fragile.

2. When using the battery, recharge it immediately when it runs out. If you do not charge the battery for a long time, the battery may be damaged, so be careful with exposure and moisture.

3. Do not disassemble, crush or puncture the battery. Do not throw the battery into fire or water.

4. If you do not use the battery for a long time, you need to charge it 70% or more and store it, the storage period should not exceed 3 months, and if you do not use it for more than 3 months, you need to fill the power.