Any charger. 1000 recharges. The Energizer Recharge Universal AA is the everyday rechargeable AA battery from the world's #1 rechargeable brand — a 2000mAh NiMH battery that works with any standard NiMH charger, not just Energizer's own charger range, making it the pick for households that already own a charger from any brand, or that want the flexibility to choose their charger independently. Pre-charged from the packet. 1000 charge cycles. Holds charge for 12 months unused.

The "Universal" name is the defining spec: unlike battery lines that optimise for a specific brand charger, the Energizer Recharge Universal is designed and tested to work correctly in any standard NiMH charger regardless of brand — Duracell, Panasonic, EBL, Ansmann, OPUS, GP, or any other charger that accepts NiMH AA batteries. The charging profile, voltage range, and thermal tolerance are set to the universal NiMH standard rather than a brand-specific optimised spec. For buyers with an existing charger from any brand, the Universal is the battery that works with what they already have.

2000mAh NiMH at 1.2V provides the consistent, stable power that AA-powered devices need — the same 1.2V NiMH output through the full discharge cycle rather than the declining voltage curve of alkaline disposables that causes devices to behave differently at 50% charge versus fresh. Cameras, gaming controllers, keyboards, mice, baby monitors, remotes, and toys all run at the same performance level from fresh to empty with NiMH rechargeable cells.

Up to 1000 recharges — at one charge per week, approximately 19 years of weekly recharging before reaching the cycle limit, versus the Duracell DX1500's 400 cycles (approximately 7.7 years at the same pace). The Universal is the better long-term cycle life option for households that charge frequently. Holds charge up to 12 months in storage — batteries left in devices that are infrequently used, in emergency kits, or in storage drawers will still hold meaningful charge when needed. Made with 22% recycled materials. Designed to prevent damaging leaks under normal use. 5-year battery life under typical usage patterns. Pre-charged and ready to install on arrival. Pack of 4 × AA batteries (2000mAh each).