Extend Construction Playtime, Power Yigong 520 Motors, and Fix Short Battery Runtimes
A drained, low-capacity, or short-lived battery on your 1:20 11CH RC Excavator Bulldozer (Yigong 520 / YG520) severely interrupts construction fun, dimming the onboard LED lights, distorting sound effects, and slowing down the digging arm and track motors. Continuous multi-channel motor operation places heavy power demands on low-grade standard batteries, causing fast depletion and frequent recharging stops. Using undersized or degraded cells leads to sudden motor stalls on soft surfaces. This upgraded 3.7V 14500 800mAh Li-ion Battery delivers a high-capacity energy solution tailored for Yigong 520 remote control excavators, RC vehicles, and electric bubble guns. Featuring a standard 50mm × 14mm compact size, it provides sustained voltage output and longer play sessions.Ships worldwide.
Compatibility
For the 1:20 11CH RC Excavator Bulldozer only. Full model page (specs & photos):
1 x 3.7V 14500 800mAh Li-ion Battery (50mm × 14mm)
Product Highlights
Upgraded 800mAh High Capacity: Delivers significantly extended operating time per charge to keep lights, sound modules, and heavy-duty digging motors working continuously.
Standard 14500 Form Factor (50mm × 14mm): Engineered to standard 14500 dimensions, sliding easily into the Yigong 520 battery compartment without jamming.
Stable 3.7V Voltage Output: Maintains constant power delivery to ensure consistent motor rotation speeds and strong bucket digging force.
Broad Universal Compatibility: Direct replacement battery for 1:20 11CH RC excavators, bulldozers, micro RC cars, trucks, and high-demand electric bubble guns.
Install Tips
Verifying Fit & Polarity: Confirm your vehicle compartment fits 50mm × 14mm dimensions and verify matching plug wire polarity before connecting.
Inserting into Yigong 520 Bay: Connect the power terminal securely, tuck the leads flat into the wiring track, and close the battery cover with the retaining screw.
Charging Protocol: Always charge using a compatible 3.7V USB charger; unplug once fully charged and avoid leaving batteries plugged in overnight.
Storage & Care: When storing the toy for prolonged periods, remove the battery and keep it stored at 50% charge in a cool, dry location.
