OCDAY 220W AC100-240V to DC14V Power Supply Adapter for Balance Charger Safe & Strong: With full aluminum alloy shell, the power supply is safe and strong enough, providing steady dc power supply for balance chargers. Wide Operating Voltage: Its operating voltage is 14V, which is a wide operating voltage and can meet the demands of most chargers in the market. Special Designed Binding Post: Suitable for various connection mode, such as banana plug, wire connection clamp and bare wire head, etc. Strongly Recommended: We strongly recommended that the OCDAY balance charger in our website is also worth buying, which is a perfect match with the power supply. WARRANTY: 12 months from the date of purchase.