SOLAR PRO TECHNOLOGY - Tenergy engineered Solla rechargeable batteries with technology eliminating common solar light battery performance problems: leaking due to over-charging from long sunny summer days, dead batteries due to over-discharging from extended rainy or cloudy days. Never need to worry about your solar lights going dark again. Tenergy is trusted by millions of users in USA and worldwide, we are a Silicon Valley based company with over 15 years of experience in batteries.

YEAR AROUND OUTDOOR DURABILITY- Reliably power your solar lights all seasons under all weather conditions. Engineered and produced to deliver reliable power performance and extended battery life with solar lighting application environment in mind; the high end battery materials and special formula withstands freezing cold and blistering hot outdoor temperatures.

ULTRA LONG BATTERY LIFE - With 2,000 charging and discharging battery life, Tenergy Solla rechargeable AA batteries outlast 4 to 5 times more than regular NIMH AA battery life. Tenergy Solla NIMH AA battery can power your solar lights up to 5 years, no more changing your solar light battery every 1-2 years. Generate more long-term savings when replacing regular solar garden light batteries.

CLEAN POWER & SAFETY - Tenergy's solar NiMH batteries are made environmental friendly materials, free of toxic heavy metals that comes with NiCd rechargeable batteries. Battery is UL Certified.

READY TO USE - Rechargeable solar batteries ship pre-charged ready-to-go out of the box. An ideal replacement for NiCD or NiMH solar batteries (NOT a replacement for LifePO4 batteries). Tenergy's Solla batteries include 12 months warranty, and lifetime support from California support team.