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NiMH Battery Pack Combo: 12V 4500mAh (50Wh) Flat Battery Pack + Smart Charger (MH-4/3AF4500)

Option 1: 5.5 X 2.5mm Female Barrel JackOption 3: Add extra 1 Battery pack
Your Price: From $78.95 to $125.95
Lead Time: 5 Business Day

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Voltage 12V (working )  14.5V ( peak)
Capacity   4500 mAh or 50 wh
  • 1 pc 420 Polyswitch installed to limit max current drawn @ 4.2A
  • 65oC thermostat built in the pack to protect battery from overcharged and over discharged
Charging Rate Standard 1.8 A   Max. 2.1 A 
Discharging Rate
  • Standard rate: 2 Amp  ( Recommended and warranted)
  • Highest rate for continuous running: 4.5 Amp   
  • Max. Rate for short time: 8.2 Amp ( Not recommend as working rate )
Dimension(LxWxH) 6.5"  x 2.7"   x 0.7"
Weight 1.3 lb  (battery only)
Notes Things to know about Nimh Batteries


  • Good for any 12V DC portable device, such as  power source of  heated clothing, video camcord battery pack etc
  • 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 NiMH  battery pack has no memory effect, and is assembled with poly-switch and thermo-stat to protect overcharging / over discharging. Can be recharged up to 1000 times.


  • Please don't discharging the battery pack below 10V  ( 1.0 V / cell)  Deep discharging may damage NiMH battery pack. 
  • Charging battery immediately every time it is discharged. Never storage the battery pack at below 30V. 
  • Please read more safety warning  at the link before buying

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