Description
Specifications
14.4V 38Wh 4-cell battery for Lenovo B50 B40 G550s M4400 M4500 (P/N: 45N1183 45N1182 L12L4E55 L13L4A01 L13M4A01 L13S4A01)
Voltage 14.4V,
Capacity 2200mAh/33Wh,
Number of Cells/type 4,
Colour Black,
Compatible Part Numbers
- 45N1183
- 45N1182
- L12L4E55
- L13L4A01
- L13M4A01
- L13S4A01
- L12S4E55
- L12M4E55
- FRU 45N1185
- ASM 45N1184
- 5B10K10153
- 5B10K10151
- 121500242
- 121500244
- 121500243
- 5B10K10195
Compatible Devices
- B50
- B50-45
- B40
- G550s
- M4400
- M4500
- E50-70
- E50-80
- E51-80 Type 80QB
- B50-80
- B50-30
- 305 14IBD
- 305 15ABM
- 305 15IBD
- 305 15IBY
- 305 15IHW
- B40 80
- B41 30
- B41 35
- B41 80
- B51 30
- B51 35
- B51 80
Tips to Extend Your Battery’s Lifespan
1. Keep it cool – heat is the biggest cause of battery wear, so avoid leaving your Lenovo laptop in direct sun, a hot car, or on soft surfaces that block the vents.
2. Avoid charging to 100% every time – many Lenovo laptops have a battery conservation mode in Lenovo Vantage that limits charging to around 80%, which can roughly double your battery’s usable lifespan.
3. Don’t let it run flat – regularly draining the battery to 0% wears it out much faster than topping up before it gets critically low.
4. Store at around 50% charge – if you won’t be using the laptop for a few weeks or more, store it half-charged in a cool, dry place rather than fully charged or fully empty.
5. Go easy on fast charging – rapid chargers generate extra heat, so standard charging (especially overnight or while idle) is gentler on the battery over time.
