Features of Fujitsu Low Self Discharge batteries - Manufactured in Japan by FDK Twicell Co, Ltd, the sole manufacturer of NiMH LSD batteries in Japan. - Featuring Twicell's world's first invention of Low Self Discharge (LSD) NiMH technology: high capacity NiMH batteries with superior charge retention makes Fujitsu LSD batteries ideal for virtually all situations where alkaline or lithium AA / AAA size batteries are currently used. - Up to 4.5 times more powerful than equivalent size alkaline batteries when used in high power consumption devices. Ideal for battery powered toys and digital cameras. - Factory pre-charged with solar energyand ready to use straight from the pack. - Recharges up to 2100 times! You'll use hundreds of alkaline batteries just to match the overall life and performance of Fujitsu LSD batteries. - Up to 70% charge remaining after 5 years. Low self discharge means Fujitsu batteries are still ready for use even after long periods of storage. - Environmentally friendly - Fujitsu LSD batteries and packaging are completely recyclable. - Made in Japan. - Rechargeable on most standard & fast chargers designed for NiMH batteries.