Output current: 1A-25A (adjustable) or 1A-23A (adjustable) can choose. Shell material: aluminum alloy shell. Peak power: 2000W (different voltage power is different).Input cable length: 1.4 meters. Output cable length: 1 meter. Step 2: Confirm the voltage of the battery pack, connect it to the power supply, and check the value shown on the charger's display. Step 3: Find the voltage adjustment button on the charger, use the screwdriver included with the product to adjust the charger voltage e. 16S 48V Lifepo4 Battery voltage needs to be adjusted to: 54.8V 20S 72V Li-ion Battery voltage needs to be adjusted to: 84V.
Step 4: Confirm the positive and negative terminals of the charger and the battery, then connect the charger charging port with the battery pack, adjust the charging current knob of the charger, and confirm the charging current (the display will show the charging current and the battery pack voltage). Step 5: When the display shows the current is 0, please unplug the charger to prevent the charger from being overused, which will affect the service life of the product. 1 Adjustable lithium battery charger.We back our products with a 30-DAY Return GUARANTEE. Customers should inspect item(s) and notify us within 30 days of any problems. We will reply you within 24 hours.