Replace Part Numbers:
L12L4A02 L12L4E01 L12M4A02 L12M4E01 L12S4A02 L12S4E01 121500171
121500172 121500173 121500174 121500175 121500176 90202869
Fit Laptop Models:
LENOVO G400s Series LENOVO G400s Touch Series
LENOVO G405s Series LENOVO G405s Touch Series
LENOVO G410s Series LENOVO G410s Touch Series
LENOVO G500s Series LENOVO G500s Touch Series
LENOVO G505s Series LENOVO G505s Touch Series
LENOVO G510s Series LENOVO G510s Touch Series
LENOVO S410p Series LENOVO S410p Touch Series
LENOVO S510p Series LENOVO S510p Touch Series
LENOVO Z710 Series
LENOVO IdeaPad G400s Series LENOVO IdeaPad G400s Touch Series
LENOVO IdeaPad G405s Series LENOVO IdeaPad G405s Touch Series
LENOVO IdeaPad G410s Series LENOVO IdeaPad G410s Touch Series
LENOVO IdeaPad G500s Series LENOVO IdeaPad G500s Touch Series
LENOVO IdeaPad G505s Series LENOVO IdeaPad G505s Touch Series
LENOVO IdeaPad G510s Series LENOVO IdeaPad G510s Touch Series
LENOVO IdeaPad S410p Series LENOVO IdeaPad S410p Touch Series
LENOVO IdeaPad S510p Series LENOVO IdeaPad S510p Touch Series
LENOVO IdeaPad Z710 Series
LENOVO IdeaPad G50 G50-30 G50-45
LENOVO Eraser G40-30 G40-45 G40-70 G40-70M G50 G50-30 G50-45 G50-70 G50-80 G50-70M
IdeaPad Series: G400S | G40-45 | G40-70 | G410S | G410S TOUCH | G450S TOUCH | G50 | G500S | G500S TOUCH | G505S | G50-70A | G50-80 | G510S TOUCH | S410P | S510P | Z40-70 | Z50 | Z50-75 | Z70-70 | Z70-80 | Z710
Eraser Series: G50-45 | G50-70A | G50-80 | Z40 | Z40-70 | Z70 | Z70-80
Install A New Battery:
1. You need to turn off your laptop and disconnect the power.
2. Remove the old battery, carefully install the new battery on the battery case, and connect the wiring of the new battery.
3. If you don't understand the above steps, you can search for the video about laptop battery installation on YouTube. Maybe it will help you.
Laptop Maintenance Tips:
1. New battery: For use a new battery, youd better try a few cycles of discharging to 5%. then charging up to 95%. So that it can be activated completely
2. Overuse: Do not always run out of a battery to 0%, this would make it damaged or usage life shortened
3. Charging sequence: when charging, first install the battery, then turn on the power, when fully charged, first cut off the power, then pull the power plug.
4. Long-term storage:Please store the unused battery fully charged.(Charge it once a month) Do not store at low power to prevent reduce the lifespan of a battery
5. Charger: Do not replace the laptop adapter casually. If the original adapter cannot be applied due to malfunction or damage, please replace the models, so as not to reduce the service life of the battery due to incompatibility.
Overload protection
Over-current protection
Over-voltage protection
High voltage protection
Short circuit protection
Over-temperature protection