MJ-828 is battery pack newly designed specifically for MagicShine bicycle lights. It offers higher quality and improved protection circuit for safe performance.

Specifications:

• Capacitance feel inductive,Backlight Display
• 5-speed battery power display,voltage display. Backlight Display. Allow you to monitor the battery voltage even in complete darkness.
• Battery：4×18650 Li-ion battery (8.4V4.4AH)
• Battery life:500 times cycle
• Charger：DC 8.4V/1.8A
• Charging time：3-3.5 hours
• Discharging current：≤4A
• Shell material：6061-T6 aluminum alloy,transparent PC
• Surface treatment：Premium Type III hard-anodized anti-abrasive finish
• Waterproof grade：IP67
• Size：48×60×96 MM
• N.W.：330g
• With strap to attach to bicycle frame.

Warranty: 180 days manufacturer warranty.