Type: NI-MH Rechargeable Battery
Warranty : 12 months
1.BEST PERFORMANCE and PERFECT COMPATIBILITY: Fully compatible with the original charger and vacuum cleaner.It’s easy to install .
2.TRUSTWORTHY RELIABILITY: No memory effect,Low rate of self-discharge (1% per month) .Patented battery balancing technology,
Built-in over protection circuits provide safety and reliability from fire and explosion.