GP Batteries Non-Rechargeable Batteries Non-standard battery 620994 - GP GP29ASTD929C1, The GP Super non-standard battery 29A is an Alkali-manganese battery offering 9 V and 20 mAh capacity, designed for special purpose applications. Manufactured by GP, this custom battery is ideal for devices requiring non-standard power solutions. Suitable for various niche electronics, it ensures reliable performance in demanding conditions. GP 29ASTD929C1 Super Battery 9V 20mAh Remote Control Use