ITEM NAME:12-24V Lithium Storage Battery Power Charge Control Protection Board XH-M603 12-24V Lithium Storage Battery Power Charge Control Protection Board Module XH-M603 SPECIFICATIONS.(Item included: 1 x battery protection board. Application Fields: 12-24V storage battery. Suitable for: 12-24V storage battery. 2) Color may vary slightly due to the color setting of each individual monitor.