Specifications include:

• LED to indicate if battery is done charging
• Protection circuit built in the anode with a steel hat by riveting process. Steel shell eliminates the risk of short circuit caused by collision and impact.
• Pressure Relief Vent: Expels waste gas generated by internal short circuit. Expelling waste gas prevents a cell from inflating or exploding.
• Three Sets of Over-Heat Protection:  Over charge protection, Over discharge protection, Short circuit protection, and overheating protection
• 500 Charge Cycles: A properly maintained ARBL18 battery is designed to retain up to 75% of its original capacity at 500 full charge and discharge cycles