- Brand new and high quality.
- 18650 Battery pack box:upgrading in traditional 18650 8.4V lithium battery group basis
- Improve replacement battery pack inconvenient shortcomings,greatly facilitate the users of the battery pack DIY requirements,without spot welding battery,thereby greatly reducing the battery internal resistance,improve the battery discharge performance,so as to effectively improve battery life
- Power supply:you can use 18650 rechargeable lithium battery as a power source
- The output side:USB and DC dual output power supply function,DC output voltage is 8.4V(can power the 8.4V device,such as the bike light),DC output voltage is 5V(can power the cellphone and other 5V device),to meet a wider usage scenarios,the product comes with overcharge and over discharge protection,protection of the battery is more safe and sustainable
- 1 x BATTERY BOX
NO Retail Box. Packed Safely in Bubble Bag.