Home PowerTex Batteries 12V 35Ah LiFePO4 Lithium Iron Phosphate Battery

PowerTex Batteries 12V 35Ah LiFePO4 Lithium Iron Phosphate Battery

Sale price $169.99
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  • Voltage - 12.8 V
  • Capacity - 35 Ah (460Wh)
  • Weight - 9.7 lb.
  • Dimensions (LxWxH) - 7.76 × 5.12 × 6.02 in
  • Fully integrated battery management system (BMS).
  • Ideal for solar systems, marine, RV, mobility devices, UPS, telecom, lighting, and backup power

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Shipping & Returns

Standard Shipping: Enjoy free standard shipping within the continental USA.

Expedited Shipping: Need your items sooner? Expedited shipping options are available at an additional cost. Select this option at checkout for faster delivery.

Returns: We want you to be completely satisfied with your purchase. If for any reason you are not happy with your battery purchase, we offer hassle-free returns within 30 days of delivery.

Signature Requirement: For security purposes, all orders over $400 will require a signature upon delivery. Please ensure someone is available at the delivery address to sign for your package.

Conditions for Returns:

  • Restocking Fee: Please note that if the battery is returned without any defects and in its new, unused condition, a restocking fee for shipping expenses may apply.
  • Return Shipping: If there is an issue with the battery, we will cover the return shipping costs.
  • Unused Condition: Batteries must be returned in their original, unused condition to qualify for a refund or exchange.

For any further assistance regarding delivery or returns, please don't hesitate to contact our customer service team.
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Enjoy free shipping on all orders within the lower 48 states.

Return within 30 days of delivery. Shipping fees are non-refundable.

PowerTex Batteries 12V 35Ah LiFePO4 Lithium Iron Phosphate Battery

PowerTex Batteries 12V 35Ah LiFePO4 Lithium Iron Phosphate Battery

$169.99
Powerful. Compact. Built to Last.


The Powertex 12V 35Ah LiFePO₄ deep cycle battery delivers outstanding performance in a durable, compact design. Engineered for long service life and dependable power delivery, it is the ideal replacement for traditional lead-acid batteries across a wide range of applications.


Perfect for powering:


  • Solar and wind energy storage systems
  • Electric mobility devices and scooters
  • Marine and RV electronics
  • UPS and backup systems
  • Telecommunications equipment
  • Medical devices
  • Portable lighting and off-grid power


Why Choose Lithium Iron Phosphate (LiFePO₄)?


  • Extended Cycle Life – Over 3,000 cycles at 100% Depth of Discharge, greatly reducing replacement costs
  • Lightweight Design – About 40% of the weight of an equivalent lead-acid battery
  • Maintenance-Free – No water top-ups, no acid, and completely sealed
  • Fast Charging – High charge acceptance and quick recovery times
  • Stable Voltage – Consistent performance with minimal drop during discharge
  • Smart BMS Protection – Prevents overcharging, over-discharging, short circuits, and overheating
  • Safe & Eco-Friendly – Non-toxic, non-spillable chemistry with high thermal stability


Use it Anywhere Power is Needed


From boats to RVs, off-grid cabins to emergency backup power, the Powertex 12V 35Ah LiFePO₄ battery delivers reliable, maintenance-free energy storage you can count on for years to come.

Electrical Characteristics

  • Nominal Voltage - 12.8V
  • Nominal Capacity - 35Ah
  • Internal Resistance - ≤ 20mΩ
  • Cycle Life - > 3000 cycles @1C 100%DOD
  • Monthly Self-Discharge Rate - < 3%
  • Charging Efficiency - 100% @ 0.5C
  • Discharge Efficiency - 96 ~ 99% @ 1C

Charging Information

  • Charge Voltage - 14.4 ± 0.1V
  • Recommended Charging Current - 10A
  • Max Charging Current - 35A
  • Charging Cut-Off Voltage - 15.0V ± 0.1V

Discharge Information

  • Continuous Current - 36A
  • Max Pulse Current - 90A (< 3 Sec.)
  • Discharge Cut-Off Voltage - 10V

Environmental Information

  • Charging Temperature - 32F to 113F @ 60 ± 25% Relative Humidity
  • Discharge Temperature - -4F to 140F @ 60 ± 25% Relative Humidity
  • Storage Temperature - 32F to 104F @ 60 ± 25% Relative Humidity
  • Water Resistance - IP65

Mechanical Information

  • Cell & Configuration - Cylindrical & 4S6P
  • Dimensions (LxWxH) - 7.76 × 5.12 × 6.02 inches
  • Weight - 9.7 lbs
  • Terminals - M6 Internal Thread
  • Parallel Config. - 4 Pieces Max
  • Warranty - 2 Years

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