Optimate TM-471 LFP4s 0.8Amp maintainer/charger for 12V Lithium Batteries! It's a lower amp charger but still charges or maintains All 12V lithium batteries. A great, cost effective charger for your lithium battery maintenance.

Overview of Tecmate Optimate Lithium Maintenance Charger 0.8 Amps - TM471

• The most cost-effective solution for long-term maintenance of 12V lithium (lifepo4) batteries in any vehicle stored in or outdoors.
• Very easy to use, simply connect to the battery and plug it into the nearest power socket, the rest is fully automatic.
• Automatically brings the battery to full charge with 0.8A constant current and then switches to the unique OptiMate battery-saving maintenance charge mode to keep the battery at 100% ready and at the same time provides power to the on board computer, display or antitheft alarms.
• Recommended for Lifepo4 lithium battery brands.
• Weatherproof and lightweight weighs in at 1 lb.
• Includes permanent ringlet connector with weatherproof cap and a set of battery clips.
• Includes all safety features such as reverse polarity protection, no spark connection; approved to UL and CSA safety standards for automatic battery chargers; fully-automatic
  Included Items:(1) Fully automatic battery charger with harness and positive and negative clamps, (1) Direct connect fused harness.

If you prefer a faster charging unit see the 5 amp Optimate Lithium Charger that provides testing and recovery of lithium batteries. Model TM-291

3 year limited warranty.