Lithium Battery Upgrade - Toyota Prius - Gen1 - 19 Blocks

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Due to fluctuating inventory batteries orders have a current lead time of 2-4 weeks. Please contact us via email at for current lead times. 


Replace and upgrade Toyota Prius Gen1, 19 Block, NiMH battery packs with NexCell Lithium battery.

This product will fits the following models:

  • 2000-2003 Toyota Prius Gen1 

Warranty: 2 Years, Unlimited Mileage


After 7 years of research, development and testing, Dr. Prius proudly presents you a Lithium Battery Upgrade solution that take your hybrid vehicle to the next level.
Nexcell Lithium Upgrade Pack directly replaces your old NiMH pack and brings you the following benefits:

  1. 1/2 of the weight of the original battery pack Stock NiMH battery weights 80 lbs! Dr. Prius lithium pack weight less than 35 lbs.
  2. 4 Times More Power NexCell lithium pack delivers 260Amp peak power compared to 100Amp peak power from stock NiMH battery.
  3. Better fuel economy with improved EV range NexCell lithium pack maintain at an optimal voltage range to trick the computer in running more on electric power. Resulting in better fuel economy.
  4. Highest Level of safety NexCell LiFePO4 lithium solution is proven to be safe and has been tested in extreme conditions around the world (sub-zero temperature, extreme humidity, extreme desert heat) with more than half million miles logged, checkout all testing video on YouTube keyword "Dr. Prius Lithium Test".
  5. Toxic free No more hazardous chemical from a NiMH chemistry pack.
  6. Affordability Nexcell Lithium Upgrade Battery replacement costs less than stock Toyota replacement! We searched and purchased large quantities of the highest quality LiFePO4 cells and translate the saving onto customers.