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Sager BTY-M66 BTY-M67 BTY-M68 Laptop Battery

List Price: $169.99
Our Price: $69.90
You Save$100.09!

Availability:: Usually Ships in 24 Hours
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Sager Laptop Computer Battery

This is a brand new 6 cell  Sager premium grade replacement battery. The superior South Korean cells inside the battery cartridge will provide longer run times between charges as well as a longer service life than cheaper batteries. In addition, Li-ion batteries are not subject to the memory effect common with older battery technology. This means you can recharge your laptop any time without diminishing your battery capacity. This laptop battery replacement is typically superior to the original battery and is 100% compatible with your Asus notebook computer. The battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 1 year warranty.

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  • Sager replacement computer battery
  • 11.1 Volts - also compatible with 10.8 Volt systems
  • 4400 mAh or 58 Whr; also compatible with 4800 & 5200 mAh batteries
  • 6 Cell Li-ion (9 cell available here)
  • Samsung (South Korea)
  • Black
  • 1 Year Warranty
  • 30 day full satisfaction guarantee
  • 300-500 recharge cycles

You can expect about 2 hours to 2-1/2 hours of run time with this computer battery when new, depending on your energy use. If you are looking for even longer battery run times, check out our extended run battery for your MSI or Sager laptop (our MSI-22XT).

This battery works in the many laptop computers listed at the bottom of this this web page including:
MSI Megabook M655, M660, M670, M673, M675, M677, MS1034

Also many Sager laptops

Replaces these many laptop battery part numbers:


Laptop Battery Express only deals with brand new premium computer batteries. We never carry recycled or used batteries. We only use the highest quality cells inside the battery pack so you will have a long service life (300-500 recharge cycles). We do not use cheaper battery cells which can wear out in a little as 6 months. Our inventory turns rapidly and you will always receive a freshly manufactured battery.

Compatible AC Power Adapters designed for this product
AC adapter for MSI Laptops 19V-3.42A 65 Watts 957-1039P-001 957-1057P-001
Our Price: $49.00

AC power adapter for MSI laptops 957-1039P-001 957-1057P-001

This battery & adapter are compatible with the following laptop models. If your battery or adapter part number is listed above, it will be compatible even if it is not listed below.

Sager Laptop Batteries > Sager M665SE
Sager Laptop Batteries > Sager 6650
Sager Laptop Batteries > Sager 6690
Sager Laptop Batteries > Sager 6790
Sager Laptop Batteries > Sager IFL90
Sager Laptop Batteries > Sager IFL91
Sager Laptop Batteries > Sager M665SR
Sager Laptop Batteries > Sager M665SRU
Sager Laptop Batteries > Sager M66SE
Sager Laptop Batteries > Sager M670SRU
Sager Laptop Batteries > Sager NP2070
Sager Laptop Batteries > Sager NP2090
Sager Laptop Batteries > Sager NP6650
Sager Laptop Batteries > Sager NP6680
Sager Laptop Batteries > Sager NP6690
Sager Laptop Batteries > Sager NP6790