About Payment 
 Shipping & Cost
 Battery SDS
 Battery Terminology
 Battery Knowledge
Privacy Policy
 Export restrictions


Shopper Award
Security Verified Seal

Fuel Gauge for 12.8V LiFePO4 Battery Pack (#135)

Your Price: $7.95
In Stock

Product ID # 135
Part Number:

Quantity Discounts

5 to 20$7.71
21 to 50$7.55
51 to 100$7.39
101 or more$7.15
Dimension (LxWxH): 51mm x 26mm x 4mm

  • 5 LEDs display battery pack's voltage. The voltage listed below is base on battery during discharge. (The actual voltage might vary for LED 2-4 during charging.) 
    • 1 LED Flashing = pack voltage  8V  (must recharge battery)
    • 1 LED = pack voltage: 8-12V  (battery need recharging)
    • 2 LED = pack voltage: 12-12.4V
    • 3 LED = pack voltage: 12.4-12.84V
    • 4 LED = pack voltage: 12.84~13.24V
    • 5 LED = pack voltage: 13.24 or higher ( battery is fully charge)

Related Products

Product Reviews

(0 Ratings, 0 Reviews)
What to consider when designing Lithium Batteries?
Bluetooth Technology for Lithium-ion/LiFePO4 Batteries
UN 38.3 Safety Test

We own a national standard UN38.3 testing lab. We can provide UN38.3 test service to our customer.

If you want to set up your own lab, we also provide UN38.3 & IEC62133 equipments and onsite training. Email us for the quote and lead time.
Lithium Battery Shipping Regulation
Recommendations on How to get ≤30% Rated Capacity for Shipping
Thermal Abuse Test for IEC62133
Mailing Lists