Ignitions and Electrical› Charging Systems

Battery Tender

Battery Tender 50A PWM/750W/12V Indoor Solar Controller System

$149.95

SKU: B02Y 021-1177

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Description

The Battery Tender 021-1177 is a 50-amp solar panel charge controller designed for remote power applications. It optimizes battery performance using efficient PWM charging and features automatic voltage detection for 12V, 24V, 36V, and 48V systems.

This controller is compatible with lead-acid, AGM, GEL, and 12-volt lithium batteries. It utilizes a three-stage charging process and includes 8 programmable timers for efficient charging and improved battery life. The high-capacity output supports a maximum of 12VDC at 50 amps and accepts up to 100 volts of input voltage. Safety features include spark-proof and reverse hookup protection.

Fitment

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Available on iOS & Android

Specifications

BrandBattery Tender
Part NumberB02Y 021-1177

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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