Apex Lithium 12V 18AH Battery

Power your electronics with confidence. The Apex Lithium 12V 18AH delivers reliable deep-cycle performance in a compact, lightweight package. A premium upgraded BMS protects the pack, while IP67 construction and fast-charge compatibility make it a smart, durable choice for ice fishing, camping, small boats, and more. If you’re building an ice fishing battery setup, this is a dependable pick.

Key Features

• Lightweight build: easy to carry for mobile setups.
• Confident protection: upgraded BMS guards against abuse and mis-use.
• Waterproof durability: IP67 rating handles wet conditions.
• Expandable power: link in series (up to 48V) or in parallel for more capacity.
• Fast turnarounds: accepts high charge current for quick top-ups.
• Cold-ready performance: engineered to operate in harsh conditions.
• Clean install: M8 stainless bolt terminals keep connections solid.
• Travel-friendly compliance: tested to major safety and transport standards.

Tech Specs — Apex Lithium 12V 18AH

• Nominal Voltage: 12.8V
• Capacity: 18Ah
• Energy: 230.4Wh
• Weight: 4.4 lb
• Dimensions (L × W × H): 5.94" × 3.88" × 3.88"
• Max Continuous Discharge: 18A
• Charging: 9A recommended; 18A max; 14.4V recommended; 15V max
• Series: up to 4 batteries (48V systems)
• Parallel: supported for higher capacity
• BMS: Premium upgraded protection
• Waterproof Rating: IP67
• Operating Temp (optimal): −20 °C to +48 °C; avoid charging below 0 °C
• Cycle Life: up to 5,000 cycles to 80% capacity (under recommended conditions)
• Terminals: M8 stainless bolt
• Certifications/Testing: UL1642; tested per IEC62133 and UN 38.3; compliant with US/international transport regulations
• Warranty: 10-year

Suitable Uses

All 12V electronics; marine applications; RV/camper; fish finders, flashers & boating electronics; recreational vehicles; ice fishing; camping; solar; link in series for 24V/36V/48V; connect in parallel for higher capacities; 12V SLA replacement.

Ready to power up your season? Add to cart and head out.