Tenergy 9V Lithium Batteries 8-Pack
9V lithium batteries with extended runtime and ultra-low self-discharge. Suitable for back-up power in smoke detectors, with date stamping for freshness. Customer feedback notes good quality and mixed battery life perceptions
Highlights
- 2.5x more power than traditional 9V
- 10-year storage potential
- ul-certified and protective design
Pros
- longer runtime in 9V format
- ultra-low self-discharge
- date stamped for freshness
- low self-discharge storage durability
- rounded fit for wider compatibility
Cons
- mixed battery life feedback
- some users report fit not ideal for tight electronics
- chirping issue reported by customers
Best For
Features
- Delivers 2.5x the power of traditional 9V batteries for longer runtime
- Low self-discharge at 2% per year with date stamping for freshness
- Slimmer, rounded 9V design for a wider fit in compatible devices
- Operates reliably across -4F to 140F environments
- UL certified with lifetime support from a California-based team
