Yinlong 12V LTO Lithium Titanate Battery Pack — 40Ah/45Ah High-Power Rechargeable Car Audio Battery with Built-in BMS (Tax-Free)

Power that refuses to quit. Meet the Yinlong 12V LTO (Lithium Titanate) Battery Pack — a high-power, built-in-BMS rechargeable solution engineered for brutal duty: car starters, high-power car audio, e-boats, UPS, solar storage boosters, and heavy-draw portable rigs. If you need serious bursts of current, extreme temperature tolerance, and an almost unbelievable cycle life, this pack was designed to make your gear happier.

Fun fact: LTO chemistry means unbelievably long life and crazy fast charge/discharge — this pack is rated for ~25,000 deep cycles (80% DoD). Translation: install it, forget replacement timelines, and keep powering your adventures for years.

Why you’ll love it

• Massive durability — LTO cells + 6S1P 66160 layout deliver industry-leading cycle life (25,000+ cycles).

• Big current capability — up to 400A continuous (10C) and 800A peak (20C) for instant starts and thunderous audio amps.

• Built-in smart BMS — protection against over/under voltage, overcurrent, temperature issues and cell balancing.

• Wide operating range — works from –50°C to +65°C, so it’s ready for Arctic starts or desert runs.

• Compact & rugged — 215 × 198 × 133 mm, ~11 kg — dense power in a practical package.

• Plug-into many systems — compatible with inverter protocols (CAN/RS485) and supports up to 32 packs in parallel for large arrays.

Key Specs (at a glance)

• Brand: SMALL DEN (Yinlong LTO family style)

• Type: Lithium Titanate (LTO) 6S1P (66160 cells)

• Nominal Voltage: 13.8V (operating range 9–17.4V)

• Capacity Options: 35Ah / 40Ah / 45Ah

• Energy (example 200Ah equiv): ~10.24 kWh for 200Ah model — (model dependent)

• Charge Voltage: 17.4V | Discharge cut-off: ~9V ±1V

• Max Continuous Current: 400A (10C) — Max Instantaneous: 800A (20C)

• BMS: Smart 16S 200A (monitoring, CAN/RS485)

• Cycle Life: >6000+ to 25,000 (LTO rated; vendor spec varies by DoD metric)

• Temp Range: –50°C to +65°C

• Size / Weight: 215×198×133 mm / ~11 kg

• Warranty / Support: (Refer to seller for warranty & tax/shipping terms)

Best use cases

Car audio systems and amps, engine start packs, electric bicycles & boats, UPS and telecom backup, solar & off-grid home storage (parallelable), portable power rigs for events or high-draw tools.