Each A+ grade battery cell is tested by a professional engineering team, so you can trace the production parameters of each cell for greater peace of mind Vintage | Jewelry | Vintage Bunny Lapel Pin | Poshmark 【After-Sales Service】Dyness provide professional technical support and online customer service with fast response within 24 hours. 【Easy Installation, Less Burden】Dyness 12V 100Ah LiFePO4 Battery Group 31 Dimensions: L13.6 * W6.77 * H8.43 Inch, Weighting only 25.3 lbs. 【Maximum Expansion to 20.48kWh】Dyness 12V 100Ah Lithium Battery can be connected 4 in parallel & 4 in series (Max 4P4S) for larger capacity: Max 20.48kWh energy storage and 20.48kW load power by 16 pack LiFePO4 batteries. The LiTime 12V 100Ah lithium battery applies Automotive Grade A LiFePO4 Cells and a built-in 100A BMS, which offer excellent performance, unbeatable safety and... 24 Deep Cycle WattCycle 12V 100Ah LiFePO4 Lithium Battery 100A BMS Deep Cycle For RV Off- Grid 200Ah Plus 【Extreme Cold Environments Battery Protection】 All-New-Design – The low-temperature charging protection feature automatically disconnects charging when the Dyness 12V 100Ah LiFePO4 Battery's temperature drops below 32°F (0°C), with charging resuming at 41°F (5°C). WattCycle 12V 100Ah LiFePO4 Lithium Battery 100A BMS Deep If you have any product-related issues or questions, don't hesitate to contact us directly, the Dyness support team is always here for you 【Prevent Damage or Hazardous Situations】The smart 100A BMS provides comprehensive protection against overcharging, over-discharging, overcurrent, overheating, and short circuits, along with dust resistance, IP65 waterproofing, and salt spray resistance. The upgraded low-temperature charging protection further enhances battery safety. Additionally, it automatically cuts off power at -4°F (-20°C) to further safeguard the battery