ECO-WORTHY EnergyRock 12V 280Ah

Last updated: October 31, 2026

ECO-WORTHY EnergyRock 12V 280Ah
3.7/5#6 of 13 in large 12V batteries
3.7

For RV and van owners who want the cheapest way into a 3.5 kWh bank and have a dry, sheltered spot to bolt it down.

  • 280 Ah (3,584 Wh)Capacity
  • 200 AContinuous output
  • Charge cutoff onlyCold charging
  • YesBluetooth
  • 3 yearsWarranty
  • $0.12Price / Wh
Check price at Amazon$439.99Check price at ECO-WORTHY$439.99

Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • Metal case stands up to knocks better than plastic
  • One battery stores as much as nearly three 100Ah batteries for well under the cost of three
  • Side power switch cuts the output for safe installation and storage
  • Bluetooth app shows charge level and current without opening the bay
Cons
  • At 68 lb it takes two people to lift into place
  • Only a 3-year warranty, shorter than most rivals in this size
  • No published cycle rating or water resistance rating
  • Stops charging below freezing rather than heating itself

How it scores

The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.

Specifications

Model numberL13080202162-1
Capacity
Rated capacity280 Ah (3,584 Wh)
Nominal voltage12.8 V
ChemistryLiFePO4
Price per Wh$0.12
BMS
Continuous discharge200 A
Peak discharge220 A for 10 s
Max charge current200 A
Low-temperature chargingCharge cutoff only
Bluetooth monitoringYes
Series / parallelup to 4 in series, 4 in parallel
Build
Dimensions16.54 x 8.64 x 9.65 in
Weight68.5 lb
TerminalsM8
Warranty3 years
Released2026-06

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