null
The STG Difference Free Domestic Shipping For Orders Over $99 Hassle Free Returns No Restocking Fees Price Match Guarantee Customer Rewards, Earn STG Cash

TecMate TM-291 OptiMate Lithium Battery Charger

Click to see 2 more pictures
STG SKU:
T|PU38070138|0

Customer Service

  • 888.784.4327
  • Monday-Friday
  • 10am to 6pm EST
  • Saturday
  • Closed
  • Free Domestic Shipping for Orders over $99Any domestic order (lower 48 United States) over $99.00 ships for free! If your item isn't over $99 but your total cart value is, you'll qualify for free shipping as well! For more information on our Shipping Policies, click here.
  • Hassle Free Returns No Restocking FeesHere at STG we want any return or exchange to be quick and pain-free. You can contact anyone here to expedite your return or exchange and we'll make sure it's handled ASAP. For more information on our policies, click here.
  • Price Match GuaranteeFind a better price? If you have we will match it! Call us at 888.784.4327 or submit a request here and our team will make it happen. *Some exclusions may apply.

Frequently Bought Together

Please choose Options for all selected Products

  • Choose Options
  • With 5 Amps of charge current available, OptiMate lithium's unique multi-step ampmaticĀ™ program recharges and balances cells within the battery quickly and efficiently
  • Will protect your investment and keep your Lithium Iron Phosphate (LiFePO4/LFP) battery performing as advertised for a very long time
  • Voltage retention test is conducted for 30 minutes during which no charge current is delivered, and provides results indicating the battery's general state of health
  • The 12-hour MAINTENANCE CHARGE CYCLE consists of 30-minute float charge periods at a voltage of 13.6V followed by and alternating with a 30-minute "rest" (no charge current) periods
  • Tests and displays battery condition before charging
  • OptiMateĀ™ lithium, the first OptiMate to protect your LiFePO4 battery unlike any other charger
  • OptiMate lithium's maintenance program delivers current to the vehicle circuitry, protecting and keeping the battery at 100% charge
  • Includes permanent ringlet connector with weatherproof cap and a set of battery clips
  • During the float charge period, current is delivered only if the battery has lost charge due to connected vehicle circuitry; a refresh cycle may be performed if the charge level has dropped significantly
  • Charge progress is tracked against the ideal LiFePO4 charge curve, internal damage will be detected and unnecessary charging of a battery that cannot be recovered is prevented