Lithium Battery Upgrade - 20 Blocks: GM, Chrysler: 2-Mode Hybrid

Shipping calculated at checkout.

Log in to purchase

VIN Required for Purchase

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 NiMH battery packs used in the GM and Chrysler 2-Mode Hybrids with NexCell Lithium battery. Contains 20 Blocks. 

This product will fits the following models:

  • Chevrolet Tahoe Hybrid
  • Cadillac Escalade 
  • Chrysler Aspen Hybrid

Due to the design of the BMS in 2-Mode Hybrid applications, the NiMH battery suffers early failures in comparison to the same modules when used in a Toyota application. The performance of Lithium batteries is much higher, allowing for the 2-Mode Hybrid applications to have improved drivability and increased Hybrid Battery performance and longevity. 


"The installation was a breeze. Fuel mileage went from 14mpg to 18mpg, it accelerates smoothly, no more jerk or bump. It makes a pretty cool sound when accelerating kind of like a supercharger whine. Did I mention it's fast now. Pulled a heavy trailer up an extremely steep hill like it wasn't even there, barely pressing the accelerator pedal. I'm loving it."

- Jeremy, NexCell Battery Customer


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.