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Optimate Lithium 12V 0.8A 4-Bank Battery Charger/ Tester

Click for a larger picture of Optimate Lithium 12V 0.8A 4-Bank Battery Charger/ Tester
Click for a larger picture of Optimate Lithium 12V 0.8A 4-Bank Battery Charger/ Tester

Brand: OptiMATE Battery Chargers

This item qualifies for FREE Shipping in the continental United States!

Charge and maintain up to four 12-volt lithium (LiFePO4 / LFP) batteries at once!.

The Optimate Lithium Battery Charger is an advanced multi-step charger that monitors the condition of each battery with four separate tests before, during, and after the charging and balancing sequence.

Pre-Qualification Test - Checks battery condition and ambient temperature. This determines which charging program will be used.
SAVE - If necessary, a battery found to be over-discharged is charged at a low recovery rate. The battery is continually tested during this low-voltage recovery step to determine when the battery is ready to go on to the next charging step.
Bulk Charge - Charge current is adjusted according to battery capacity and condition in order to fully charge the battery as quickly as possible without causing new problems.
Dead Cell Check - Throughout all of the charging steps, the Optimate charger compares charging progress against an ideal charging curve for LiFePO4 batteries. If the charger detects one or more dead cells, charging will stop and a warning will light up.
Equalization - This 10-minute process delivers higher-voltage pulses of current to balance the charge in the individual cells.
Verification - Voltage is brought back down while the Optimate compares the battery charge against the ideal charging curve. If a discrepancy is found, Equalization is repeated.
Retention Test - Charging stops for 30 minutes while the Optimate tests and monitors the battery for 30 minutes. If the battery passes the first test, an extended (up to 12 hour) test for self-discharge is conducted.
Maintenance Charge - 30 minutes of charging, followed by 30 minutes of rest, followed by a test for lost voltage. If sufficient voltage is lost, the cycle repeats for up to 12 hours.

The Optimate will start again at the Retention Test 24 hours after charging began, and will start again every 24 hours as long as the battery is connected. Although LiFePO4 batteries do not self-discharge like lead-acid batteries do, this charger is designed to be connected during long-term storage if needed. This makes it especially useful when a battery is left in a vehicle with a small (below 0.5 Amp) parasitic drain. The charger can also be wall-mounted to save workbench space.

The charging routine is fully automatic, with no programming required. Suitable for use with all of the 12 volt lithium batteries we carry, including Antigravity and Ballistic. Not for 6 volt or 16 volt lithium batteries, or for lead-acid batteries of any voltage. Includes 4 quick-disconnect ring terminal harnesses (for permanent mounting on each battery) and 4 alligator clip harnesses. 110-120 VAC (North American) current.

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Condition: New

In Stock