2900mAh High-Capacity Battery Compatible for iReader Youth Edition Light 3,ZY1700A,Li-ion Polymer 0-Cycle Replacement eBook Reader Battery

Before purchasing, please double-check the battery model to avoid buying the wrong one. Battery Usage Instructions: 1. After replacing the battery, please discharge the battery to about 20% to 30% of its capacity, then charge it with the original charger for 6-8 hours. Repeat this process 3-5 times to activate the battery properties and achieve the best performance. 2. Avoid deep discharge: When the battery's charge level is low, immediately charge the device. Over-discharging (with a voltage lower than 2.5V) will permanently damage the battery. Do not always set the battery charge level to 0% as this will damage the battery or shorten its lifespan. 3. Do not disassemble or press: Do not disassemble or replace the battery structure. Lithium batteries contain flammable explosive substances. Non-professional operation may cause an explosion or fire. 4. Long-term storage: Keep the battery at a charge level of 40% to 60% (commonly known as "semi-charged storage"). Avoid keeping it fully charged or idle for a long time. Charge the battery once every 3 months. 5. Avoid overcharging: Turn off the power immediately after fully charging. If using the device for a long time with the power on, the battery may expand. 6. When using a genuine charger: A genuine charger may damage the battery due to inconsistent voltage/current, posing safety risks. 7. Visual inspection: If you notice any bulging, deformation, leakage, oxidized interface, etc. on the battery, stop using it immediately.