ECO-WORTHY EnergyRock 12V 280Ah Metal Case LiFePO4 Battery
SVT Score, Upper
Eco-Worthy’s 12.8 V, 280 Ah LiFePO4 battery in a metal case with a 200 A BMS, Bluetooth and a low-temperature charge cut-off.
$470
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Usability
4.9 out of 10It suits a buyer who wants one large 12 V battery that mounts in an RV or van without a battery box, and who will not need more than 200 A continuous, inverter communication or charging below freezing.
Strengths
- 3,584 Wh in one 12 V battery
- 200 A maximum continuous discharge220 A peak for 10 seconds
- Built-in Bluetooth app monitoring
- Up to 4 in series or 4 in parallel8 batteries per bank
- Metal case needs no separate battery box
Drawbacks
- 200 A continuous is only 0.71C on 280 Ah
- No depth of discharge or end-of-life capacity published for the cycle rating
- Cycle claims differ: 6,000+ on eco-worthy.comup to 15,000 on Amazon
- No CAN or RS485 portno self-heating and no published IP rating
- Warranty policy gives LFP batteries 3 years against the store's "Up To 10-Year Warranty"
Specs
- Capacity3,000-3,999 Wh
- AC OutputNot applicable
- System Voltage12 V
- Panel PowerNot applicable
- Charge CurrentNot applicable
- Safety ListingNone verifiable
- Cell TypeNot applicable
- Low-Temp ChargingLow-temperature cut-off
- Warranty3 Years
- MonitoringBluetooth built in
- Weight68.5 lb
At a glance
- M8 terminals
- Four mounting feet
- BMS on/off switch
- 420 x 219 x 245 mm
ECO-WORTHY is the brand of Xiamen Eco-Sources Technology Co., Ltd of Xiamen, China, which its own pages date to 2007, with a US company, Eco-Sources USA, Inc., in Springfield, Missouri.
It sells direct from eco-worthy.com, which ships US orders from a US warehouse, and through its Amazon and eBay stores and dealers such as Off Grid Stores and Current Connected.
The ECO-WORTHY EnergyRock 12V 280Ah Metal Case (store SKU GW-L13080202162-1) is a 12.8 V, 280 Ah (3,584 Wh) LiFePO4 battery in a metal case with four mounting feet, a low-current on/off switch for the BMS and M8 terminals. Its 200 A BMS is rated 140 A standard and 200 A maximum continuous charge and discharge, with a 220 A peak for 10 seconds, over a 9.2 to 14.6 V operating window and a 14.6 V charge voltage; it charges from 32°F to 131°F (0 to 55°C), discharges from -4°F to 131°F (-20 to 55°C), stops charging at low temperature and reports over Bluetooth to Eco-Worthy's app. Supported banks are 2P, 3P, 4P, 2S, 3S, 4S, 2P2S, 2P3S, 2P4S, 3P2S and 4P2S. It measures 420 x 219.3 x 245 mm (16.54 x 8.64 x 9.65 in) and weighs 31.05 kg (68.5 lb). In the box: the battery and a set of battery accessories. It sells as a 2-pack for $919.98 and a 4-pack for $1,799.96, and ships in either of two label styles with the same internals.
Questions answered from our data

Is ECO-WORTHY good?We list 20 ECO-WORTHY products and score 19 of them. Their overall scores run from 4.0 to 6.6, with a median of 5.6, against a median of 5.5 for all 127 products we score.
How much does a LiFePO4 battery cost?The 37 LiFePO4 batteries we list run from $220 to $1,089, with a median of $470.
Are LiFePO4 batteries UL listed?Three of the 37 LiFePO4 batteries we list carry a UL 1973-type listing we could look up by model.
Which LiFePO4 batteries can charge below freezing?Nine of the 37 LiFePO4 batteries we list heat their own cells so they can charge below freezing.








