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Tewaycell
Tewaycell 24V 200AH LiFePO4 Battery Built-in Smart BMS With Bluetooth,Self-heating and Active Balancer

Tewaycell 24V 200AH LiFePO4 Battery Built-in Smart BMS With Bluetooth,Self-heating and Active Balancer

Best price now

$1,242.56at TewaycellChecked Nov 11

Compared across 2 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Last seen at $1,242.56 at Tewaycell on Nov 11.
  • Checked at 2 stores.

Our take on the Tewaycell 24V 200AH LiFePO4 Battery Built-in Smart BMS With Bluetooth,Self-heating and Active Balancer

The Tewaycell 24V 200Ah is a lithium iron phosphate (LiFePO4) battery for off-grid solar, RV and marine banks, built as a single 24V unit rather than two 12V batteries in series. It carries a smart battery management system with Bluetooth monitoring, and some versions add self-heating for charging in cold conditions and an active balancer that moves charge between cells. That combination of monitoring, cold-weather heating and active balancing is uncommon at this capacity, where many rivals offer a passive balancer and no app. It suits owners building a sizable 24V bank who want to watch cell data and charge in winter; buyers who only need basic storage can find simpler, lighter batteries.

Best forOff-grid solar banks at 24VRV and camper electrical systemsMarine house banksCold-climate installations that need self-heating
Pros
  • Single 24V unit simplifies wiring versus two 12V batteries
  • Bluetooth smart BMS shows cell voltage, current and temperature
  • Self-heating option allows charging below freezing
  • Active balancer keeps cells in line over many cycles
  • LiFePO4 chemistry is stable and long-lived
Cons
  • Heavy, bulky unit that needs a sturdy mount
  • Bluetooth and self-heating only on the versions that include them
  • App and BMS details are thin, so setup can take trial and error
  • Not a drop-in for 12V systems

Tewaycell 24V 200AH LiFePO4 Battery Built-in Smart BMS With Bluetooth,Self-heating and Active Balancer prices at every store

  • TewaycellNew

    In stockPriced in EUR (€1,116.70)Return policy

    $1,242.56Checked Nov 11
    Visit Tewaycell
  • TewaycellNew

    Availability unknownMade for another market

    $988.00Checked Nov 11
    Visit Tewaycell

Tewaycell 24V 200AH LiFePO4 Battery Built-in Smart BMS With Bluetooth,Self-heating and Active Balancer price history

Lowest price we've seen: $841.77 on Nov 11 at Tewaycell. Tracked across 1 store since Nov 11.

About the Tewaycell 24V 200AH LiFePO4 Battery Built-in Smart BMS With Bluetooth,Self-heating and Active Balancer

This is a 24V (25.6V nominal) 200Ah lithium iron phosphate (LiFePO4) battery with a built-in smart battery management system (BMS) and an active balancer. It stores 5120Wh and can deliver up to 5120W of continuous load power.

The case is made of ABS and has an IP65 water and dust resistance rating. Connections are made at M8 terminals. Some versions of the battery have Bluetooth for the BMS, and some have self-heating, which extends the temperature range for charging.

Chemistry
LiFePO4
Nominal capacity
200Ah
Usable capacity
200Ah
Nominal voltage
25.6V
Energy
5120Wh
Max load power
5120W continuous
Charge voltage
29.2V
Charge method
CC/CV
Preferred charger
29.2V 40A
Charge current
40A standard, 200A max
Discharge cut-off
20V
Discharge current
40A standard, 200A max continuous, 400A max for 5 seconds
Cycle life
4000 to 8000 cycles
Internal impedance
≤40mΩ
Dimensions
20.67 x 10.59 x 8.58 in
Weight
Approx. 82.01 lb (37.2 kg)
Charge temperature
32°F to 122°F (0°C to 50°C) without self-heating; -4°F to 122°F (-20°C to 50°C) with self-heating
Discharge temperature
-4°F to 140°F (-20°C to 60°C) without self-heating
BMS
Smart BMS with active balancer; Bluetooth on some versions
Terminals
M8
Protection rating
IP65
Case material
ABS

Questions and answers

What is the difference between the three versions?
One version has Bluetooth and self-heating, one has Bluetooth only, and one has neither. Order the version that matches what you need, since the BMS features differ.
Can it charge in freezing weather?
Only the self-heating version warms the cells before charging. The other versions should not be charged below freezing, as with any LiFePO4 battery.
What can I run on a 24V 200Ah battery?
That is about 4.8 kWh of usable storage, enough for a small off-grid cabin, an RV system or a modest marine house bank, depending on your loads.
Does it replace two 12V batteries in series?
Yes for 24V systems. A single 24V battery avoids the balancing problems of mismatched 12V units, but it will not work in a 12V setup.
What does the Bluetooth app show?
The smart BMS reports cell voltages, current, state of charge and temperature. The active balancer works in the background to keep cells level.
Where is the Tewaycell 24V 200AH LiFePO4 Battery Built-in Smart BMS With Bluetooth,Self-heating and Active Balancer cheapest?
At Tewaycell, for $1,242.56, as of our latest check.

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