Dyness 12V 100Ah Bluetooth

Last updated: October 22, 2026

Dyness 12V 100Ah Bluetooth
3.8/5#4 of 17 in 100 Ah class 12V batteries
3.8

A cheap, IP65 Bluetooth 100Ah battery for RV, solar and marine use, from one of the larger storage-battery makers. Cold-climate users need a heated model instead.

  • 100 Ah (1,280 Wh)Capacity
  • 100 AContinuous output
  • Charge cutoff onlyCold charging
  • YesBluetooth
  • 5 yearsWarranty
  • $0.14Price / Wh
Check price at Amazon$179.98

Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • One of the cheapest Bluetooth 100Ah batteries, from a large energy-storage maker
  • IP65-rated case suits boats and trailers
  • Up to 4 in series for 24V, 36V or 48V systems
  • Accepts up to 100 A charging, so a big charger refills it in about an hour
Cons
  • Group 31 case is longer than a Group 24 tray
  • No self-heating: charging stops below freezing
  • No peak-current rating published

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 numberAR1.2-BT
Capacity
Rated capacity100 Ah (1,280 Wh)
Nominal voltage12.8 V
ChemistryLiFePO4
Rated cycle life3,000 at 100% depth
Price per Wh$0.14
BMS
Continuous discharge100 A
Max charge current100 A
Low-temperature chargingCharge cutoff only
Bluetooth monitoringYes
Series / parallelup to 4 in series, 4 in parallel
Build
Case sizeGroup 31
Dimensions12.99 x 6.77 x 8.43 in
Weight25.3 lb
TerminalsM8
Water resistanceIP65
Warranty5 years

Alternatives in this size

Compare

Compare the Dyness 12V 100Ah Bluetooth with any other 12V lithium battery →

More from Dyness: every Dyness product ranked.