High-Capacity Rechargeable AA Lithium-Ion Battery – 3400mWh Powerhouse
Ultra-high 3400mWh capacity for extended runtime in high-drain devices like smart locks, toys, and small appliances. Premium lithium-ion technology ensures stable 1.5V output, outperforming disposable alkaline batteries with 1200+ recharge cycles. Built-in USB-C charging (cable included) eliminates battery swaps—fully recharges in 2 hours for eco-friendly convenience. Precision-engineered with overcharge/discharge protection and heat-resistant casing for safety in continuous-use scenarios. Ideal for smart home devices (door locks, sensors), RC toys, medical gadgets, and portable electronics requiring reliable, long-lasting power. Globally certified (CE/RoHS) with a 12-month warranty—bulk order discounts available for wholesalers.