• Universal battery pack made of high quality NiMH 10xC cells of 5000 mAh capacity.
• Protection
• 1 pc 420 Polyswitch for limit max current drawn @ 4.2A
• 1 pc 65^o Thermostat in charging terminal to protect battery from overcharged
• Discharge Current: 4.2A Max limited by 420 Polyswitch
• Fit to any 10-12V DC input laptop computers, such as IBM Thinkpad, Toshiba, Sony and NEC etc. ( Please check your original battery voltage before purchase, if battery voltage is 10.4V-12V, it is OK).
• The battery pack can run up to 4 hours, depending on models.
• 5 detachable plugs are included to fit the most of laptop computers. (Please check the plug's diameters of your laptop computer before you purchase. If your plug fits one of diameters as below, it is OK ).
• 5.5 x 2.1 mm (O.D. x I.D)
• 5.5 x 2.5 mm
• 4.75 x 1.7 mm
• 6.3 x 3.0 mm
• 6.5 x 1.4 mm
• One smart mini charger is included. Charging time is 10 hrs with automatic power off
• Universal battery pack has no memory effect, and is assembled with poly-switch and thermo-stat to protect overcharging, short circus and wrong polarity. Can be recharged up to 1000 times.
• Easy to carry--compact size and Light weight 5" Long x 4" width x1" height; about 1.5 lb weight.
• The Battery pack can be used for any 12 V DC input portable device.
  • How to use
• Connect male plug in charger into female plug in battery pack ( Make sure polarity mark is matched), then plug charger into 110V AC and charge battery)
• Charging your battery overnight ( 10 hrs ) to get full charging.
• After charging, disconnect charger from battery pack.
• Find a right size plug from universal detachable plug sets which fit with your laptop input plug ( in back side of your laptop ).
• Connect the male plug into the female plug of your battery pack (Please make sure power polarity match each other).
• Plug battery pack into DC input of your laptop computer which is located in backside of laptop usually.
• Run your computer. Please set up automatic data save. Computer can not recognize if the battery run out. We are not responsible for any data lost.
• This battery pack can not be used for DELL computer without DC-DC regulator
• You may consider advanced 12.8V LiFePO4 battery packs with higher energy density and 4 times longer cycle life ( click underlined to order )

Warning: please check and match the polarity of our connector to your device. We are NOT liable for any damage to your device due to reverse polarity

Optional:

• You may choose our DC-DC Regulator ( Booster ) , then the battery pack can be used in any Laptop from 15V - 24V DC input
• Need extra battery pack without charger, please order here

Charge/Discharge terminal: (Large female pin = positive, Small female pin = Negative.)

Please download specification of high quality cell from Nimh C size 5000 mah rechargeable battery