Is there voltage drop and does this have a switch to emergency jumpstart the starter battery?

Yes, it has a voltage drop. the word "diode" in the title describes it. And no, there's no switch.

is it safe to combine lead -acid with lith ion

using this as instructed yes, you can power the load from different chemistries. the higher voltage will "win" and supply the load.

is that maximum amperage output 80amps or 160amps?

For the Victron Energy BCD 802 80 amp Diode Battery Combiner (2 Batteries) maximum output is 80amps. -Oni Tools

does this device allow current draw from both sources simultaneously? if both battery banks are at the same voltage?

Yes, the combiner allows current draw from two sources of the same voltage at the same time up to 80 amp current draw. It can for example be hooked to two 12/24/ or 36v battery banks to combine them to share the load for powering a source such as a power inverter.

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Victron Energy BCD 802 80 amp Diode Battery Combiner (2 Batteries)

Victron Energy BCD 802 80 amp Diode Battery Combiner (2 Batteries)

Product ID: 213167265

Details

Battery Capacity
80 amp_hours
Battery Cell Composition
Lithium Ion
Brand
Victron Energy
Recommended Uses For Product
HEPA filter
Unit Count
1 Pack

⚡80A high current capacity

🔋Parallel battery combining for uninterrupted power

🔥Low voltage drop with Schottky diodes

AR$187864

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Description

⚡ Power your mission-critical gear like a pro — never miss a beat!

COMPACT LIGHTWEIGHT - Sleek 3x4.7x2.4 inch form factor weighing just 0.5 kg fits tight spaces effortlessly.
UNSTOPPABLE POWER FLOW - Ensures continuous DC power to mission-critical systems without interruption.
SAFETY FIRST INSTALLATION - Designed for mounting on non-flammable surfaces to keep your setup secure.
EFFICIENCY MEETS DURABILITY - Low voltage drop design maximizes power efficiency while minimizing heat.
SMART PARALLEL BATTERY INTEGRATION - Combine two or more batteries seamlessly to boost reliability and uptime.

The Victron Energy BCD 802 is an 80 amp diode battery combiner designed to maintain uninterrupted DC power by paralleling two or more batteries. Featuring Schottky diodes for low voltage drop and efficient power transfer, it ensures mission-critical equipment stays powered even if one source fails. Compact and lightweight, it requires safe mounting on non-flammable surfaces, making it ideal for professional-grade automotive and industrial applications.

Specifications

ASIN	B01F713B7A
Amperage	80 A
Antenna Location	HEPA filter
Battery Capacity	80 amp_hours
Battery Cell Type	Lithium Ion
Battery Weight	1.7 ounces
Best Sellers Rank	#215,620 in Automotive ( See Top 100 in Automotive ) #2,545 in Automotive Replacement Battery Accessories
Brand	Victron Energy
Compatible Phone Models	HEPA filter
Customer Reviews	4.6 4.6 out of 5 stars (36)
External Testing Certification	Não Aplicável
Included Components	Victron Energy BCD 802 80 amp Diode Battery Combiner (2 Batteries)
Item Dimensions	3 x 4.7 x 2.4 inches
Item Type Name	Victron Energy BCD 802 80 amp Diode Battery Combiner (2 Batteries)
Item Weight	0.5 kg
Manufacturer	Victron Energy
Model Name	BCD Diode Battery Combiner
Model Number	BCD 802
Reusability	Single Use
Unit Count	1 Pack
Voltage	1.5 volts
Warranty Description	Warranty

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AR$187864

Duties & taxes included

In stock

Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Argentina.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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