FlePowâ„¢ 2 Pack 9v Lithium-ion 500mAh Ultra High Density Low Self-discharge Rechargeable Batteries

 From the Manufacture
FlePow 9V Li-ion rechargeable batteries are great for use in your fire alarms, smoke detectors, wireless microphones, electronic guitar, TENS / EMS unit and more. The batteries are pre-charged and ready to use right out of the pack. Perfect for your devices, these batteries fit your life, no matter how you live.

Hundreds of Life, Safety worry-free
FlePow 9V Li-ion rechargeable batteries can be recharged over 500 times, come pre-charged and ready to use(less than half of the full capacity). Besides, they have long storage life, will keep its charge even after 2 years' storage when fully charged. You won't be paying for new batteries every week anymore Big Saving, Big Protection!

Specification
Capacity: 500mAh
Battery Cell: Lithium-ion(Li-ion)
Can only be charged in Li-ion charger
FlePow 9V Li-ion rechargeable batteries will never reach up to 9 volt(ONLY 8.4V) as disposable standard battery, but perform as well as them for most devices. What's more, rechargeable batteries have hundreds of life.

Package and warranty
1. 2 Pack 9V Li-ion rechargeable batteries
2. Every purchase from FlePow enjoys 1-year worry-free guarantee !