A2-5/A25U Rechargeable Acoustic Amplifier with mixer, monitor controls, digital effects, and Bluetooth®
Now Available with Lithium Upgrade (*A25U)
A25U – units with Upgraded Lithium Iron Phosphate (LifePO4) battery.
Battery Meter –
• 3 – Charged. This LED will turn on when battery is fully
charged and will turn off once the unit is powered ON
after a full. This LED is not part of the battery
• 2 – normal
• 1 – normal
• LOW – less then 10%
• CHARGE – charging LED will turn off when battery is
A25U – units upgraded with Lithium Iron Phosphate (LifePO4) Battery.
We choose Lithium Iron Phosphate (LifePO 4) type of batteries for it’s advantages in safety properties. LifePO4 is thermally and chemically stable, reliable without the possibility of lithium fires. LifePO4 batteries have long service life, with a shelf life that far exceeds the service life of many other batteries.
12VDC 7AH, 8AH or 9AH Replacement SLA battery.
For Original A2-5 Units with SLA batteries ONLY. A25U upgraded with LifePO4 lithium Iron Phosphate battery do not use this same battery.
If your battery fail to charge, battery can be replaced easily, You can purchase the battery locally,
Open the battery cover (4 hand tight screw) on the back of unit and you can take the battery out. Make sure RED is positive when connecting battery.
SLA battery can be easily purchased on Amazon similar to below,
Product Dimensions: 5.9 x 3.7 x 2.6 inches — any SLA battery with this size will work. 12V 7AH, 8AH or 9AH
Remove the Red/White wires that are connected to the battery.