The BigBattery EAGLE 2 36V 40Ah is a battery pack with a nominal voltage of 38.4 V, a nominal capacity of 40 Ah, 1.54 kWh of energy, a continuous discharge of 80 A, a peak of 200 A for at most 3 seconds, 3,072 W of output and a weight of 17.2 kg (38 lb).
Last updated: 10 October 2026
What we found
- The maker names cart brands without a model, year or trim (E-Z-GO, Club Car); that is not a fit for any one cart.
- Specifications are published for it, each with its source.
- 1 figure is contradicted by another credible source. Both readings are shown below, and neither is presented as the correct one.
BCI group size: GC2
Battery and charging
- Working voltage range
- 36–43.2 V
- Voltage range the maker recommends
- 36–38.1 V, suggested low-voltage cut-off
- Maximum charge current
- 40 A
- Communications bus
- CANbus
- Maximum continuous output power
- 3,072 W
- Cell arrangement
- 12S
- Nominal capacity
- 40 Ah
- Nominal voltage
- 38.4 V
- Continuous discharge
- 80 A
- Peak discharge
- 200 A for at most 3 seconds
- Discharge cut-off
- 31.5–35.3 V, the BMS's own cut-off
- Maximum in parallel
- up to 10 in parallel
- Stated energy
- 1.54 kWh
“Operating Voltage Range: 36 - 43.2V”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
“Suggested Low Voltage Cutoff: 36 - 38.1V”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
Row from the maker’s page: “Max Charge Current” | “40A”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
Row from the maker’s page: “Communications” | “CANBus”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
“Max Continuous Power: 3072W”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
Row from the maker’s page: “Cell Configuration” | “12S”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
Row from the maker’s page: “Ah Capacity” | “40Ah”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
Row from the maker’s page: “Nominal Voltage” | “38.4V”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
“Max Continuous Discharge Current: 80A”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
“Max Discharge Peak Current: 200A (Max 3 seconds)”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
“BMS Cutoff Range: 31.5 - 35.3V”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
“Max Connections: Up to (10) Parallel”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
Row from the maker’s page: “kWh Capacity” | “1.54kWh”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
Battery care and safety
- When the heater comes on
- self-heating: yes
- Storage temperature
- −5 °C to 35 °C for up to 3 months; 0 °C to 25 °C for up to 12 months
- Operating temperature range
- 15 °C to 35 °C for optimal discharge
- Charge temperature range
- −20 °C to 55 °C (−4 °F to 131 °F)
- Discharge temperature range
- −20 °C to 60 °C (−4 °F to 140 °F)
“Communications: CANBus Self-Heating: Yes”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
“Storage Temperature Range: 23°F - 95°F (-5°C - 35°C) (Max 3 months) 32°F - 77°F (0°C - 25°C) (Max 12 months)”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
“Optimal Discharge Temperature Range: 59°F - 95°F (15°C - 35°C)”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
“Charge Temperature Range: -4°F - 131°F (-20°C - 55°C)”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
“Discharge Temperature Range: -4°F - 140°F (-20°C - 60°C)”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
Size and fit
- Overall dimensions
- 260 × 180 × 274 mm (W × D × H)
- Stated weight
- 17.2 kg (38 lb)
“Depth: 7.1 in (180 mm) Width: 10.2 in (260 mm) Height: 10.8 in (274 mm)”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
Row from the maker’s page: “Weight” | “38 lb (17.2 kg)”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
Compatibility
- What the manufacturer says it fits
- Club Car, EZGO, Yamaha
- What the maker says it fits
- compatible with Club Car, E-Z-GO, Yamaha, ICON and more of your favorite trusted brands
“If your cart uses GC2 batteries, yes. The Eagle 2 is built in the GC2 form factor and drops into standard trays used by Club Car, EZGO, Yamaha and similar carts.”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
“Universal Compatibility Reliable power for all major golf cart brands. Rest assured that our batteries are compatible with Club Car, E-Z-GO, Yamaha, ICON and more of your favorite trusted brands.”
Source: bigbattery.com/golf-carts
Frame and components
- Enclosure rating
- IP67 / NEMA 6
“Protection Rating: IP67 / NEMA 6”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
Identity
- Product code
FEAGL-36015-G2 here; FEAGL-36016-G2 on its product page
golf-carts · retrieved 15 September 2026
“LiFePO4 - 40Ah - 1.54kWh SKU# FEAGL-36015-G2”
Source: bigbattery.com/golf-carts
FEAGL-36015-G2
Checking your browser... · retrieved 15 September 2026
“Battery only SKU: FEAGL-36015-G2 Categories: Equipment , Golf Cart”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
FEAGL-36016-G2
Checking your browser... · retrieved 15 September 2026
“Battery Downloads SKU#: FEAGL-36016-G2”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
The maker’s own documents give different figures
Other findings
- Charge voltage range
- 41.7–43.2 V
- Max charge voltage
- 43.8 V
“Charging Voltage Range: 41.7 - 43.2V”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
“Max Charge Voltage: 43.8V”
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
Product identifiers
The codes printed on the product and its packaging.
- SKU
- FEAGL-36015-G2
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
“Battery only SKU: FEAGL-36015-G2 Categories: Equipment , Golf Cart”FEAGL-36016-G2Source: bigbattery.com/products/36v-eagle2-lifepo4-40ah-1-5kwh
“Battery Downloads SKU#: FEAGL-36016-G2 Spec Sheet: DOWNLOAD”
Compatible chargers
- 36V 25A Charger (43.2V DC) – Ring TerminalsSKU PWS052UnconfirmedView charger: 36V 25A Charger (43.2V DC) – Ring Terminals →
BigBattery's own FAQ on the charger's product page: "Is the 36V charger included in the kit? Yes, this charger ships as part of the 36V Eagle 2 kits." The strongest fitment statement on this brand's charger pages short of a part-number cross-reference.
Compatible carts
Sources do not establish: Which Club Car model. BigBattery name Club Car as a brand their pack works with and name no specific model, year, trim or controller rating in that statement — so this is not a claim about this model in particular. Also not established: this cart's system voltage against the pack's, the battery compartment it would need to fit, the continuous and peak discharge its controller demands against what this pack's BMS delivers, and whether this model's charger is safe for this chemistry — none of it is addressed by a brand-list statement. The same applies to E-Z-GO.
Club Car — named as a brand only (6 models)
UnconfirmedOnly Club Car named as a brand by BigBattery — not these models by model, year or trim. Check yours before buying.
Source: bigbattery.com/golf-carts
E-Z-GO — named as a brand only (9 models)
UnconfirmedOnly E-Z-GO named as a brand by BigBattery — not these models by model, year or trim. Check yours before buying.
Source: bigbattery.com/golf-carts
Sources
- BigBattery — EAGLE 2 36V 40AhManufacturer battery page
BigBattery
Source: bigbattery.com/products/36v-eagle2-1-5kwh-lifepo4-battery-with-heater-and-comms
Retrieved September 15, 2026
- BigBattery — golf cart fitment statementManufacturer general page
BigBattery
Source: bigbattery.com/golf-carts
Retrieved September 15, 2026
- BigBattery — 36V 25A Charger (43.2V DC) – Ring TerminalsManufacturer model page
BigBattery
Source: bigbattery.com/products/36v-25a-charger-43-2v-dc-ring-terminals
Retrieved September 24, 2026