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This item is backordered until the mid-July. We are sorry for the inconvenience, but you can order it now and we will ship it out ASAP!

The Optimate TM-281 is designed for 24-28V Lithium batteries. This will charge and maintain your lithium battery with 5 amps of energy. This lithium charger also has a “tune” or power source mode of delivering 4 continuous amps of energy so you can program your EFIS or retune your car plus a pushbutton activated BMS “wake up” mode to safely wake up a battery out of sleep mode. Features:

• Lithium Battery Charger
• Lithium Battery Maintainer
• Power Supply (press TUNE button)

The light weight aluminum battery box is excellent to use with the EarthX lithium “E” case batteries for easy installation. Has a bolt-down tab for easy removal of the battery from the front or top, and is acrobat rated (even with PC680). This battery box can be used with: ETX680, ETX900, ETX900-VNT, ETX1200, and Odyssey’s PC680 If you are using the battery box for the EarthX Lithium batteries, you will use a foam spacer on the left and right side of the battery for a snug fit. If you are using the battery box for the PC680, you will use the foam spacer on the backside at the bottom of the case to adjust for the tapering of the case for a snug fit. This battery box was engineered to be strong enough to withstand 30 G of force for the EarthX Lithium Batteries or 6G of upward force and 9G of downward force with the PC680.  It only weighs .23Kg or 8oz. This unique design allows for simple, easy installation with the dimensions: 7.1″ L x 3.1″ W x 6.5-6.6″ (adjustable height) or (180mm x 80mm 166-168mm). What’s included:

• 1 x battery box
• 1 x top front removeable hold down tab
• 2 x screws for hold down

Thermal battery box to protect from radiated or convection heat. This battery box is designed to be compatible with our existing “U” case battery models; ETX1600, ETX900-24, ETX680-24-VNT. The EarthX thermal battery box is designed to protect the battery in engine compartment installations from periods of high temperature (up to 1 hour), such as after shutdown, and from radiant heat from hot surfaces like exhaust systems during and after flight. This stainless-steel box has a mirror finish to minimize the effect of radiant heat, and it has a high-performance insulating foam layer between the box and battery to reduce effect of convection heat. Weight is .68Kg or 1 Lb. 8oz. All batteries have optimal temperature ranges for use in operation. The ETX-Hundred series is rated for 140 deg F (60 deg C) or less for optimal longevity and performance of the battery. Typical lead acid batteries are rated to 113 deg F or 45 deg C.