BT-70581CE, CSEL Rechargeable Lithium-Ion Battery

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BT-70581CE

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BT-70581CE (BB-2001A/U)

CSEL Rechargeable Lithium-Ion Battery

Handheld lithium-ion radio battery used in AN/PRQ-7 CSEL (Boeing Combat Survivor Evader Locator Radio). Approved replacement for BT-70581 A & B Models. Over 10% better run-time.

Military#: BB-2001A/U
NSN: 6140-01-534-3856
Chemistry#: Li-ion

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● Communicates using a Single Wire DQ interface (on side)

● UN/DOT 38.3 Rating: 63 Wh

● Comparable to: BT-70581, BT-70581A, BT-70581B, BT-70581Cx, BT-70676Bx, BB-2001A/U, BA-5301A/U,
BT-70720, BT-70720A, MAI-901017, MAI-901018, MAI-901020, and 4866112-004

● Absolute state of charge indicator

● Enhanced cold temperature performance

● Imersion: tested to 10 meters for 5 minutes, 1 meter for 12 hours

Typically used in:

● AN/PRQ-7 CSEL (Boeing Combat Survivor Evader Locator Radio)

Size / Weight

Length

3.05 +/- 0.01 in (76.45 +/- 0.25 mm)
Width

1.74 +/- 0.01 in (44.20 +/- 0.25 mm)
Height

3.23 +/- 0.01 in (82.04 +/- 0.25 mm)
Weight

0.88 lb (0.40 kg)

Other

State of Charge Indicator

Yes
Connector

Flat Contacts (side), Fly Wheel Connection (top)
Voltage

10.8V
Maximum Voltage

12.6V
Capacity

5.6 Ah to be constant with spec label marked 4.8 Ah
Storage Temperature

-40°C to +40°C (-40°F to +104°F)
Operating Temperature

-32°C to +60°C (-25.6°F to +140°F)

The following are related products that are not included with featured product and sold separately.

Chargers	Adapters
BTC-70801 (SPC, PP-8498/U) BTC-70819 (SPC Lite) BTC-70819-1 (SPC Lite, EU) BTC-70819-3 (SPC Lite, 12V/24V DC) BTC-70844 (SPC, CE)	BTA-70581A (J-6769A/P)
BTC-70836 (VMC, PP-8481B/U) BTC-70870 (VMC Lite) BTC-70870-1 (VMC Lite, 24V DC) BTC-70870-3 (VMC Lite 12V/24V DC)	BTA-70827 (J-6583/U)
BTC-70824-1 (Solar Charge Controller) BTC-70663 (Advanced Solar Charge Controller)	BTA-70747S (Solar Adapter)
BTC-70581-1 (Desktop Charger)	(Not Required)

Product downloads

Datasheet

SDS

Drawing

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The BTF-70581A can be used for reconditioning of rechargeable batteries or for a deep discharge prior to disposal of primary batteries.

Desktop Charger for CSEL

Dedicated desktop charger that will charge one (1) to two (2) of the CSEL (BB-2001A/U, BT-70791Cx, BT-70581B, BT-70581A, BT-70581 or BT-70676Bx) batteries.

BTA-70581A

This adapter is a two (2) position charge adapter for the CSEL Batteries (Combat Survivor Evader Locator handheld radio) on SPC or SPC Lite Chargers