The Energizer 5291D5 6V Max alkaline battery is built for outdoor gear and devices that demand reliable, consistent power in the field. Whether you're powering a camp lantern through a long night, running high-drain flashlights, or keeping emergency backup equipment ready, this 6-volt battery delivers the endurance you need without the weight penalty of disposables that quit early. It's a go-to choice for hunters, campers, and overlanders who can't afford dead batteries in the dark.
At 17,500 mAh capacity, the 5291D5 is engineered for sustained output over extended use—ideal for lanterns and other gear that run continuously rather than in short bursts. Energizer's alkaline chemistry resists leakage, so you can store it in a pack or vehicle without worrying about corrosion damage to your equipment. The durable black and silver construction is built to last through rough conditions.
Keep a few of these on hand for your camping kit, emergency supplies, or as backups in your truck. A quality 6V battery is one of those small logistics that separates preparedness from regret when you're miles from town.
| Voltage | 6V |
| Capacity | 17,500 mAh |
| Chemistry | Alkaline |
| Brand | Energizer |
| Model | 5291D5 |
The 5291D5 is designed primarily for lanterns and flashlights that specify 6-volt operation. Always check your device's manual to confirm voltage compatibility before installing.
Runtime depends on the device and how heavily it draws power. The 17,500 mAh capacity is rated for extended use in lanterns and continuous-duty equipment. Actual duration varies by application.
Yes. The alkaline design resists leakage, making it reliable for pack storage and outdoor conditions. It's a practical choice for emergency kits and field gear.
Alkaline batteries generally perform across a wide temperature range, but extreme cold can reduce output temporarily. For reliable cold-weather operation, check your specific device's operating temperature range.
Black Rain Ordnance
