EXTENDED BATTERY LIFE - With its 5,000 mAh capacity, the Stealth Cam FieldMAX External Lithium Rechargeable Battery keeps your trail camera active for extended periods; Attach it easily via the integrated locking thread for uninterrupted performance MODULAR SYSTEM - For those who need even more power in the field, the FieldMAX portable battery allows you to daisy-chain the batteries together; You can also integrate the SOL-PAK Solar Battery Packs (sold separately), to enjoy a flexible power solution WEATHERPROOF - The Stealth Cam FieldMAX trail camera battery is engineered to endure extreme weather conditions, from intense cold to scorching heat; Its rugged build ensures that your camera keeps recording regardless of environmental challenges DETAILS - Compatible with all Stealth Cam wireless/cellular trail hunting camera models with a 12-volt external battery jack; The FieldMAX battery includes 1 locking & 1 smooth adapter, a 4.5mm jack and USB charging cable for ease & versatility ECO-FRIENDLY SOLUTION - The FieldMAX External Battery reduces the need for disposable batteries, replacing them with a powerful, rechargeable lithium-ion battery; This not only prolongs your camera's uptime but also helps reduce environmental waste