Brand Unbranded

Check the listing for details. Internal Resistance Tester For 5V positive and negative welding points. Condition: New other (see details). Listed at 49.41 USD. Cycle Charging and Discharging: Only supports charging-discharging-charging 1 cycle in automatic mode, does not support multiple cycles. Heat Dissipation: U-shaped groove at the back is combined with PCB board, and the fan actively dissipates heat to form a heat dissipation channel.

$29.65
$49.41